About the Execution of ITS-Tools for FunctionPointer-PT-c002
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 574420.00 | 0.00 | 0.00 | FFFFTFTTFFTTFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400115.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 FunctionPointer-PT-c002, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400115
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-00
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-01
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-02
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-03
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-04
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-05
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-06
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-07
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-08
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-09
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-10
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-11
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-12
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-13
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-14
FORMULA_NAME FunctionPointer-PT-c002-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748817496323
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-01 22:38:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 22:38:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 22:38:19] [INFO ] Load time of PNML (sax parser for PT used): 803 ms
[2025-06-01 22:38:19] [INFO ] Transformed 2826 places.
[2025-06-01 22:38:19] [INFO ] Transformed 8960 transitions.
[2025-06-01 22:38:19] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1012 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 1198 places in 62 ms
Reduce places removed 1198 places and 2998 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FunctionPointer-PT-c002-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 12 out of 1628 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 1611 transition count 5962
Discarding 300 places :
Symmetric choice reduction at 1 with 300 rule applications. Total rules 317 place count 1311 transition count 3666
Iterating global reduction 1 with 300 rules applied. Total rules applied 617 place count 1311 transition count 3666
Ensure Unique test removed 348 transitions
Reduce isomorphic transitions removed 348 transitions.
Iterating post reduction 1 with 348 rules applied. Total rules applied 965 place count 1311 transition count 3318
Discarding 157 places :
Symmetric choice reduction at 2 with 157 rule applications. Total rules 1122 place count 1154 transition count 3004
Iterating global reduction 2 with 157 rules applied. Total rules applied 1279 place count 1154 transition count 3004
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 2 with 64 rules applied. Total rules applied 1343 place count 1154 transition count 2940
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1357 place count 1140 transition count 2912
Iterating global reduction 3 with 14 rules applied. Total rules applied 1371 place count 1140 transition count 2912
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1385 place count 1126 transition count 2884
Iterating global reduction 3 with 14 rules applied. Total rules applied 1399 place count 1126 transition count 2884
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1413 place count 1112 transition count 2856
Iterating global reduction 3 with 14 rules applied. Total rules applied 1427 place count 1112 transition count 2856
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1441 place count 1098 transition count 2828
Iterating global reduction 3 with 14 rules applied. Total rules applied 1455 place count 1098 transition count 2828
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1469 place count 1084 transition count 2800
Iterating global reduction 3 with 14 rules applied. Total rules applied 1483 place count 1084 transition count 2800
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1497 place count 1070 transition count 2772
Iterating global reduction 3 with 14 rules applied. Total rules applied 1511 place count 1070 transition count 2772
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1524 place count 1057 transition count 2746
Iterating global reduction 3 with 13 rules applied. Total rules applied 1537 place count 1057 transition count 2746
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 1596 place count 998 transition count 2522
Iterating global reduction 3 with 59 rules applied. Total rules applied 1655 place count 998 transition count 2522
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 1714 place count 939 transition count 2286
Iterating global reduction 3 with 59 rules applied. Total rules applied 1773 place count 939 transition count 2286
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 1830 place count 882 transition count 2160
Iterating global reduction 3 with 57 rules applied. Total rules applied 1887 place count 882 transition count 2160
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 1944 place count 825 transition count 2046
Iterating global reduction 3 with 57 rules applied. Total rules applied 2001 place count 825 transition count 2046
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2058 place count 768 transition count 1932
Iterating global reduction 3 with 57 rules applied. Total rules applied 2115 place count 768 transition count 1932
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2172 place count 711 transition count 1818
Iterating global reduction 3 with 57 rules applied. Total rules applied 2229 place count 711 transition count 1818
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2285 place count 655 transition count 1706
Iterating global reduction 3 with 56 rules applied. Total rules applied 2341 place count 655 transition count 1706
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 2347 place count 649 transition count 1694
Iterating global reduction 3 with 6 rules applied. Total rules applied 2353 place count 649 transition count 1694
Applied a total of 2353 rules in 1765 ms. Remains 649 /1628 variables (removed 979) and now considering 1694/5962 (removed 4268) transitions.
[2025-06-01 22:38:21] [INFO ] Flow matrix only has 1138 transitions (discarded 556 similar events)
// Phase 1: matrix 1138 rows 649 cols
[2025-06-01 22:38:21] [INFO ] Computed 2 invariants in 49 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:38:23] [INFO ] Implicit Places using invariants in 1669 ms returned []
[2025-06-01 22:38:23] [INFO ] Flow matrix only has 1138 transitions (discarded 556 similar events)
[2025-06-01 22:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:38:24] [INFO ] State equation strengthened by 282 read => feed constraints.
[2025-06-01 22:38:28] [INFO ] Implicit Places using invariants and state equation in 5391 ms returned []
Implicit Place search using SMT with State Equation took 7132 ms to find 0 implicit places.
Running 1692 sub problems to find dead transitions.
[2025-06-01 22:38:29] [INFO ] Flow matrix only has 1138 transitions (discarded 556 similar events)
[2025-06-01 22:38:29] [INFO ] Invariant cache hit.
[2025-06-01 22:38:29] [INFO ] State equation strengthened by 282 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/649 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1692 unsolved
SMT process timed out in 35297ms, After SMT, problems are : Problem set: 0 solved, 1692 unsolved
Search for dead transitions found 0 dead transitions in 35338ms
Starting structural reductions in LTL mode, iteration 1 : 649/1628 places, 1694/5962 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44281 ms. Remains : 649/1628 places, 1694/5962 transitions.
Support contains 12 out of 649 places after structural reductions.
[2025-06-01 22:39:04] [INFO ] Flatten gal took : 205 ms
[2025-06-01 22:39:05] [INFO ] Flatten gal took : 138 ms
[2025-06-01 22:39:05] [INFO ] Input system was already deterministic with 1694 transitions.
RANDOM walk for 40004 steps (8 resets) in 3173 ms. (12 steps per ms) remains 7/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 3/3 properties
[2025-06-01 22:39:06] [INFO ] Flow matrix only has 1138 transitions (discarded 556 similar events)
[2025-06-01 22:39:06] [INFO ] Invariant cache hit.
[2025-06-01 22:39:06] [INFO ] State equation strengthened by 282 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 382/386 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/386 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 17/403 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/403 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 683/1086 variables, 403/405 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1086 variables, 8/413 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1086 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp2 is UNSAT
At refinement iteration 8 (OVERLAPS) 250/1336 variables, 19/432 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1336 variables, 210/642 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:07] [INFO ] Deduced a trap composed of 131 places in 316 ms of which 14 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1336 variables, 1/643 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1336 variables, 0/643 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 367/1703 variables, 153/796 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1703 variables, 64/860 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1703 variables, 0/860 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 74/1777 variables, 68/928 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1777 variables, 0/928 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 9/1786 variables, 5/933 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1786 variables, 0/933 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/1787 variables, 1/934 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1787 variables, 0/934 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1787 variables, 0/934 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1787/1787 variables, and 934 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1947 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 649/649 constraints, ReadFeed: 282/282 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 382/385 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/385 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 643/1028 variables, 385/386 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1028 variables, 0/386 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 249/1277 variables, 6/392 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1277 variables, 209/601 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1277 variables, 2/603 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:09] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:09] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1277 variables, 2/605 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1277 variables, 0/605 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 397/1674 variables, 168/773 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1674 variables, 1/774 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1674 variables, 73/847 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1674 variables, 1/848 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:39:10] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1674 variables, 6/854 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1674 variables, 0/854 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 96/1770 variables, 81/935 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1770 variables, 0/935 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 12/1782 variables, 5/940 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1782 variables, 0/940 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 5/1787 variables, 4/944 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1787 variables, 0/944 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/1787 variables, 0/944 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1787/1787 variables, and 944 constraints, problems are : Problem set: 1 solved, 2 unsolved in 3745 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 649/649 constraints, ReadFeed: 282/282 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 5735ms problems are : Problem set: 1 solved, 2 unsolved
Parikh walk visited 1 properties in 79 ms.
Support contains 1 out of 649 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Graph (complete) has 2815 edges and 649 vertex of which 457 are kept as prefixes of interest. Removing 192 places using SCC suffix rule.11 ms
Discarding 192 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Iterating post reduction 0 with 384 rules applied. Total rules applied 385 place count 457 transition count 1310
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 392 place count 450 transition count 1292
Iterating global reduction 1 with 7 rules applied. Total rules applied 399 place count 450 transition count 1292
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 403 place count 450 transition count 1288
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 410 place count 443 transition count 1268
Iterating global reduction 2 with 7 rules applied. Total rules applied 417 place count 443 transition count 1268
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 423 place count 437 transition count 1254
Iterating global reduction 2 with 6 rules applied. Total rules applied 429 place count 437 transition count 1254
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 435 place count 431 transition count 1240
Iterating global reduction 2 with 6 rules applied. Total rules applied 441 place count 431 transition count 1240
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 447 place count 425 transition count 1226
Iterating global reduction 2 with 6 rules applied. Total rules applied 453 place count 425 transition count 1226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 457 place count 421 transition count 1218
Iterating global reduction 2 with 4 rules applied. Total rules applied 461 place count 421 transition count 1218
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 465 place count 417 transition count 1210
Iterating global reduction 2 with 4 rules applied. Total rules applied 469 place count 417 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 471 place count 415 transition count 1206
Iterating global reduction 2 with 2 rules applied. Total rules applied 473 place count 415 transition count 1206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 474 place count 414 transition count 1204
Iterating global reduction 2 with 1 rules applied. Total rules applied 475 place count 414 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 476 place count 413 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 477 place count 413 transition count 1202
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 479 place count 413 transition count 1200
Applied a total of 479 rules in 649 ms. Remains 413 /649 variables (removed 236) and now considering 1200/1694 (removed 494) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 649 ms. Remains : 413/649 places, 1200/1694 transitions.
RANDOM walk for 30030 steps (6 resets) in 297 ms. (100 steps per ms) remains 0/1 properties
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
Computed a total of 192 stabilizing places and 512 stable transitions
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 U (G(p0)||(p0&&G(p1))))))'
Support contains 3 out of 649 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 644 transition count 1682
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 644 transition count 1682
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 14 place count 644 transition count 1678
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 19 place count 639 transition count 1664
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 639 transition count 1664
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 28 place count 635 transition count 1654
Iterating global reduction 1 with 4 rules applied. Total rules applied 32 place count 635 transition count 1654
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 36 place count 631 transition count 1644
Iterating global reduction 1 with 4 rules applied. Total rules applied 40 place count 631 transition count 1644
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 44 place count 627 transition count 1634
Iterating global reduction 1 with 4 rules applied. Total rules applied 48 place count 627 transition count 1634
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 51 place count 624 transition count 1628
Iterating global reduction 1 with 3 rules applied. Total rules applied 54 place count 624 transition count 1628
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 57 place count 621 transition count 1622
Iterating global reduction 1 with 3 rules applied. Total rules applied 60 place count 621 transition count 1622
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 62 place count 619 transition count 1618
Iterating global reduction 1 with 2 rules applied. Total rules applied 64 place count 619 transition count 1618
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 65 place count 618 transition count 1616
Iterating global reduction 1 with 1 rules applied. Total rules applied 66 place count 618 transition count 1616
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 67 place count 617 transition count 1614
Iterating global reduction 1 with 1 rules applied. Total rules applied 68 place count 617 transition count 1614
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 70 place count 617 transition count 1612
Applied a total of 70 rules in 875 ms. Remains 617 /649 variables (removed 32) and now considering 1612/1694 (removed 82) transitions.
[2025-06-01 22:39:14] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
// Phase 1: matrix 1079 rows 617 cols
[2025-06-01 22:39:14] [INFO ] Computed 2 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:39:15] [INFO ] Implicit Places using invariants in 845 ms returned []
[2025-06-01 22:39:15] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:39:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:39:15] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-01 22:39:18] [INFO ] Implicit Places using invariants and state equation in 3900 ms returned []
Implicit Place search using SMT with State Equation took 4750 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:39:19] [INFO ] Redundant transitions in 155 ms returned []
Running 1610 sub problems to find dead transitions.
[2025-06-01 22:39:19] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:39:19] [INFO ] Invariant cache hit.
[2025-06-01 22:39:19] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/617 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/617 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
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(s377 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 617/1696 variables, and 2 constraints, problems are : Problem set: 0 solved, 1610 unsolved in 30094 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/617 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 1610/1610 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1610 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/617 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/617 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s163 0)timeout
(s164 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 617/1696 variables, and 2 constraints, problems are : Problem set: 0 solved, 1610 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/617 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/1610 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65047ms problems are : Problem set: 0 solved, 1610 unsolved
Search for dead transitions found 0 dead transitions in 65058ms
Starting structural reductions in SI_LTL mode, iteration 1 : 617/649 places, 1612/1694 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70856 ms. Remains : 617/649 places, 1612/1694 transitions.
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 1324 ms.
Product exploration explored 100000 steps with 0 reset in 857 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 147 ms. Reduced automaton from 2 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40002 steps (8 resets) in 454 ms. (87 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
[2025-06-01 22:40:27] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:40:27] [INFO ] Invariant cache hit.
[2025-06-01 22:40:27] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/386 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/386 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/395 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/395 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 664/1059 variables, 395/397 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1059 variables, 4/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1059 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/1282 variables, 12/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1282 variables, 199/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1282 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 340/1622 variables, 140/752 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1622 variables, 65/817 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1622 variables, 0/817 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 72/1694 variables, 68/885 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1694 variables, 0/885 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1696 variables, 2/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1696 variables, 0/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1696 variables, 0/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1696/1696 variables, and 887 constraints, problems are : Problem set: 0 solved, 1 unsolved in 856 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 617/617 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/386 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/386 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/395 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/395 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 664/1059 variables, 395/397 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1059 variables, 4/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1059 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/1282 variables, 12/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1282 variables, 199/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1282 variables, 1/613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:40:29] [INFO ] Deduced a trap composed of 131 places in 504 ms of which 15 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1282 variables, 1/614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:40:29] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1282 variables, 1/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1282 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 340/1622 variables, 140/755 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1622 variables, 65/820 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:40:29] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1622 variables, 1/821 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1622 variables, 0/821 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 72/1694 variables, 68/889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1694 variables, 0/889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/1696 variables, 2/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1696 variables, 0/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1696 variables, 0/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1696/1696 variables, and 891 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2246 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 617/617 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3137ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 860 steps, including 49 resets, run visited all 1 properties in 10 ms. (steps per millisecond=86 )
Parikh walk visited 1 properties in 15 ms.
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 13 factoid took 536 ms. Reduced automaton from 2 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
[2025-06-01 22:40:31] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:40:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 22:40:32] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 22:40:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-01 22:40:46] [INFO ] [Real]Absence check using state equation in 13127 ms returned unknown
Could not prove EG (NOT p0)
Support contains 3 out of 617 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 617/617 places, 1612/1612 transitions.
Applied a total of 0 rules in 115 ms. Remains 617 /617 variables (removed 0) and now considering 1612/1612 (removed 0) transitions.
[2025-06-01 22:40:46] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:40:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:40:47] [INFO ] Implicit Places using invariants in 1034 ms returned []
[2025-06-01 22:40:47] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:40:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:40:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-01 22:40:51] [INFO ] Implicit Places using invariants and state equation in 3934 ms returned []
Implicit Place search using SMT with State Equation took 4976 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:40:51] [INFO ] Redundant transitions in 53 ms returned []
Running 1610 sub problems to find dead transitions.
[2025-06-01 22:40:51] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:40:51] [INFO ] Invariant cache hit.
[2025-06-01 22:40:51] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/617 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/617 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 617/1696 variables, and 2 constraints, problems are : Problem set: 0 solved, 1610 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/617 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 1610/1610 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1610 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/617 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/617 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1610 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 617/1696 variables, and 2 constraints, problems are : Problem set: 0 solved, 1610 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/617 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/1610 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63740ms problems are : Problem set: 0 solved, 1610 unsolved
Search for dead transitions found 0 dead transitions in 63750ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 68908 ms. Remains : 617/617 places, 1612/1612 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 p1))), (X (AND (NOT p0) p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 226 ms. Reduced automaton from 2 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40001 steps (8 resets) in 641 ms. (62 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 136 ms. (291 steps per ms) remains 1/3 properties
[2025-06-01 22:41:55] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:41:55] [INFO ] Invariant cache hit.
[2025-06-01 22:41:55] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/386 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/386 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/395 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/395 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 664/1059 variables, 395/397 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1059 variables, 4/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1059 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/1282 variables, 12/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1282 variables, 199/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1282 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 340/1622 variables, 140/752 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1622 variables, 65/817 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1622 variables, 0/817 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 72/1694 variables, 68/885 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1694 variables, 0/885 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1696 variables, 2/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1696 variables, 0/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1696 variables, 0/887 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1696/1696 variables, and 887 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1147 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 617/617 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/386 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/386 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/395 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/395 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 664/1059 variables, 395/397 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1059 variables, 4/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1059 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/1282 variables, 12/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1282 variables, 199/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1282 variables, 1/613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:41:58] [INFO ] Deduced a trap composed of 131 places in 608 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1282 variables, 1/614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:41:58] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1282 variables, 1/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1282 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 340/1622 variables, 140/755 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1622 variables, 65/820 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:41:59] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1622 variables, 1/821 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1622 variables, 0/821 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 72/1694 variables, 68/889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1694 variables, 0/889 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/1696 variables, 2/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1696 variables, 0/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1696 variables, 0/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1696/1696 variables, and 891 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2774 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 617/617 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3958ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 346 steps, including 19 resets, run visited all 1 properties in 6 ms. (steps per millisecond=57 )
Parikh walk visited 1 properties in 6 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 p1))), (X (AND (NOT p0) p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 13 factoid took 562 ms. Reduced automaton from 2 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
[2025-06-01 22:42:00] [INFO ] Flow matrix only has 1079 transitions (discarded 533 similar events)
[2025-06-01 22:42:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 22:42:02] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 22:42:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:42:15] [INFO ] [Real]Absence check using state equation in 13076 ms returned unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 765 ms.
Stack based approach found an accepted trace after 50 steps with 0 reset with depth 51 and stack size 51 in 0 ms.
FORMULA FunctionPointer-PT-c002-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-c002-LTLCardinality-01 finished in 183191 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 649 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 643 transition count 1678
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 643 transition count 1678
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 643 transition count 1676
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 20 place count 637 transition count 1658
Iterating global reduction 1 with 6 rules applied. Total rules applied 26 place count 637 transition count 1658
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 31 place count 632 transition count 1646
Iterating global reduction 1 with 5 rules applied. Total rules applied 36 place count 632 transition count 1646
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 41 place count 627 transition count 1636
Iterating global reduction 1 with 5 rules applied. Total rules applied 46 place count 627 transition count 1636
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 51 place count 622 transition count 1626
Iterating global reduction 1 with 5 rules applied. Total rules applied 56 place count 622 transition count 1626
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 59 place count 619 transition count 1620
Iterating global reduction 1 with 3 rules applied. Total rules applied 62 place count 619 transition count 1620
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 65 place count 616 transition count 1614
Iterating global reduction 1 with 3 rules applied. Total rules applied 68 place count 616 transition count 1614
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 69 place count 615 transition count 1612
Iterating global reduction 1 with 1 rules applied. Total rules applied 70 place count 615 transition count 1612
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 74 place count 615 transition count 1608
Applied a total of 74 rules in 397 ms. Remains 615 /649 variables (removed 34) and now considering 1608/1694 (removed 86) transitions.
[2025-06-01 22:42:16] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
// Phase 1: matrix 1073 rows 615 cols
[2025-06-01 22:42:16] [INFO ] Computed 2 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:42:17] [INFO ] Implicit Places using invariants in 1160 ms returned []
[2025-06-01 22:42:17] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
[2025-06-01 22:42:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:42:18] [INFO ] State equation strengthened by 265 read => feed constraints.
[2025-06-01 22:42:22] [INFO ] Implicit Places using invariants and state equation in 4409 ms returned []
Implicit Place search using SMT with State Equation took 5571 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:42:22] [INFO ] Redundant transitions in 174 ms returned []
Running 1606 sub problems to find dead transitions.
[2025-06-01 22:42:22] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
[2025-06-01 22:42:22] [INFO ] Invariant cache hit.
[2025-06-01 22:42:22] [INFO ] State equation strengthened by 265 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/615 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/615 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 615/1688 variables, and 2 constraints, problems are : Problem set: 0 solved, 1606 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/615 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 1606/1606 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1606 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/615 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/615 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 615/1688 variables, and 2 constraints, problems are : Problem set: 0 solved, 1606 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/615 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 0/1606 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64196ms problems are : Problem set: 0 solved, 1606 unsolved
Search for dead transitions found 0 dead transitions in 64203ms
Starting structural reductions in SI_LTL mode, iteration 1 : 615/649 places, 1608/1694 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70360 ms. Remains : 615/649 places, 1608/1694 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 836 ms.
Stack based approach found an accepted trace after 5131 steps with 0 reset with depth 5132 and stack size 5132 in 38 ms.
FORMULA FunctionPointer-PT-c002-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-c002-LTLCardinality-02 finished in 71318 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(F(p0))))'
Support contains 2 out of 649 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 644 transition count 1682
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 644 transition count 1682
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 14 place count 644 transition count 1678
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 19 place count 639 transition count 1666
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 639 transition count 1666
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 28 place count 635 transition count 1658
Iterating global reduction 1 with 4 rules applied. Total rules applied 32 place count 635 transition count 1658
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 36 place count 631 transition count 1648
Iterating global reduction 1 with 4 rules applied. Total rules applied 40 place count 631 transition count 1648
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 44 place count 627 transition count 1638
Iterating global reduction 1 with 4 rules applied. Total rules applied 48 place count 627 transition count 1638
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 50 place count 625 transition count 1634
Iterating global reduction 1 with 2 rules applied. Total rules applied 52 place count 625 transition count 1634
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 54 place count 623 transition count 1630
Iterating global reduction 1 with 2 rules applied. Total rules applied 56 place count 623 transition count 1630
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 57 place count 622 transition count 1628
Iterating global reduction 1 with 1 rules applied. Total rules applied 58 place count 622 transition count 1628
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 59 place count 621 transition count 1626
Iterating global reduction 1 with 1 rules applied. Total rules applied 60 place count 621 transition count 1626
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 61 place count 620 transition count 1624
Iterating global reduction 1 with 1 rules applied. Total rules applied 62 place count 620 transition count 1624
Applied a total of 62 rules in 216 ms. Remains 620 /649 variables (removed 29) and now considering 1624/1694 (removed 70) transitions.
[2025-06-01 22:43:27] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
// Phase 1: matrix 1085 rows 620 cols
[2025-06-01 22:43:27] [INFO ] Computed 2 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:43:28] [INFO ] Implicit Places using invariants in 804 ms returned []
[2025-06-01 22:43:28] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
[2025-06-01 22:43:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:43:29] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-01 22:43:32] [INFO ] Implicit Places using invariants and state equation in 3935 ms returned []
Implicit Place search using SMT with State Equation took 4740 ms to find 0 implicit places.
Running 1622 sub problems to find dead transitions.
[2025-06-01 22:43:32] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
[2025-06-01 22:43:32] [INFO ] Invariant cache hit.
[2025-06-01 22:43:32] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 620/1705 variables, and 2 constraints, problems are : Problem set: 0 solved, 1622 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/620 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 1622/1622 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1622 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 620/1705 variables, and 2 constraints, problems are : Problem set: 0 solved, 1622 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/620 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/1622 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63928ms problems are : Problem set: 0 solved, 1622 unsolved
Search for dead transitions found 0 dead transitions in 63933ms
Starting structural reductions in LTL mode, iteration 1 : 620/649 places, 1624/1694 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68893 ms. Remains : 620/649 places, 1624/1694 transitions.
Stuttering acceptance computed with spot in 169 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-07
Product exploration explored 100000 steps with 33333 reset in 1147 ms.
Product exploration explored 100000 steps with 33333 reset in 951 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 18 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-c002-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-c002-LTLCardinality-07 finished in 71220 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 649 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 643 transition count 1678
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 643 transition count 1678
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 643 transition count 1676
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 20 place count 637 transition count 1658
Iterating global reduction 1 with 6 rules applied. Total rules applied 26 place count 637 transition count 1658
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 32 place count 631 transition count 1644
Iterating global reduction 1 with 6 rules applied. Total rules applied 38 place count 631 transition count 1644
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 44 place count 625 transition count 1630
Iterating global reduction 1 with 6 rules applied. Total rules applied 50 place count 625 transition count 1630
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 56 place count 619 transition count 1616
Iterating global reduction 1 with 6 rules applied. Total rules applied 62 place count 619 transition count 1616
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 66 place count 615 transition count 1608
Iterating global reduction 1 with 4 rules applied. Total rules applied 70 place count 615 transition count 1608
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 74 place count 611 transition count 1600
Iterating global reduction 1 with 4 rules applied. Total rules applied 78 place count 611 transition count 1600
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 80 place count 609 transition count 1596
Iterating global reduction 1 with 2 rules applied. Total rules applied 82 place count 609 transition count 1596
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 83 place count 608 transition count 1594
Iterating global reduction 1 with 1 rules applied. Total rules applied 84 place count 608 transition count 1594
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 85 place count 607 transition count 1592
Iterating global reduction 1 with 1 rules applied. Total rules applied 86 place count 607 transition count 1592
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 88 place count 607 transition count 1590
Applied a total of 88 rules in 654 ms. Remains 607 /649 variables (removed 42) and now considering 1590/1694 (removed 104) transitions.
[2025-06-01 22:44:39] [INFO ] Flow matrix only has 1062 transitions (discarded 528 similar events)
// Phase 1: matrix 1062 rows 607 cols
[2025-06-01 22:44:39] [INFO ] Computed 2 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:44:40] [INFO ] Implicit Places using invariants in 1082 ms returned []
[2025-06-01 22:44:40] [INFO ] Flow matrix only has 1062 transitions (discarded 528 similar events)
[2025-06-01 22:44:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:44:41] [INFO ] State equation strengthened by 264 read => feed constraints.
[2025-06-01 22:44:46] [INFO ] Implicit Places using invariants and state equation in 5838 ms returned []
Implicit Place search using SMT with State Equation took 6925 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:44:46] [INFO ] Redundant transitions in 60 ms returned []
Running 1588 sub problems to find dead transitions.
[2025-06-01 22:44:46] [INFO ] Flow matrix only has 1062 transitions (discarded 528 similar events)
[2025-06-01 22:44:46] [INFO ] Invariant cache hit.
[2025-06-01 22:44:46] [INFO ] State equation strengthened by 264 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/607 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1588 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/607 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1588 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 607/1669 variables, and 2 constraints, problems are : Problem set: 0 solved, 1588 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/607 constraints, ReadFeed: 0/264 constraints, PredecessorRefiner: 1588/1588 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1588 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/607 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1588 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/607 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1588 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 607/1669 variables, and 2 constraints, problems are : Problem set: 0 solved, 1588 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/607 constraints, ReadFeed: 0/264 constraints, PredecessorRefiner: 0/1588 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63955ms problems are : Problem set: 0 solved, 1588 unsolved
Search for dead transitions found 0 dead transitions in 63959ms
Starting structural reductions in SI_LTL mode, iteration 1 : 607/649 places, 1590/1694 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 71610 ms. Remains : 607/649 places, 1590/1694 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-08
Product exploration explored 100000 steps with 0 reset in 795 ms.
Stack based approach found an accepted trace after 22 steps with 0 reset with depth 23 and stack size 23 in 1 ms.
FORMULA FunctionPointer-PT-c002-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-c002-LTLCardinality-08 finished in 72520 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 2 out of 649 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 642 transition count 1676
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 642 transition count 1676
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 18 place count 642 transition count 1672
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 25 place count 635 transition count 1652
Iterating global reduction 1 with 7 rules applied. Total rules applied 32 place count 635 transition count 1652
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 38 place count 629 transition count 1638
Iterating global reduction 1 with 6 rules applied. Total rules applied 44 place count 629 transition count 1638
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 50 place count 623 transition count 1624
Iterating global reduction 1 with 6 rules applied. Total rules applied 56 place count 623 transition count 1624
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 62 place count 617 transition count 1610
Iterating global reduction 1 with 6 rules applied. Total rules applied 68 place count 617 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 72 place count 613 transition count 1602
Iterating global reduction 1 with 4 rules applied. Total rules applied 76 place count 613 transition count 1602
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 80 place count 609 transition count 1594
Iterating global reduction 1 with 4 rules applied. Total rules applied 84 place count 609 transition count 1594
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 86 place count 607 transition count 1590
Iterating global reduction 1 with 2 rules applied. Total rules applied 88 place count 607 transition count 1590
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 89 place count 606 transition count 1588
Iterating global reduction 1 with 1 rules applied. Total rules applied 90 place count 606 transition count 1588
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 91 place count 605 transition count 1586
Iterating global reduction 1 with 1 rules applied. Total rules applied 92 place count 605 transition count 1586
Applied a total of 92 rules in 212 ms. Remains 605 /649 variables (removed 44) and now considering 1586/1694 (removed 108) transitions.
[2025-06-01 22:45:51] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
// Phase 1: matrix 1058 rows 605 cols
[2025-06-01 22:45:51] [INFO ] Computed 2 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:45:53] [INFO ] Implicit Places using invariants in 1314 ms returned []
[2025-06-01 22:45:53] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:45:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:45:53] [INFO ] State equation strengthened by 262 read => feed constraints.
[2025-06-01 22:45:57] [INFO ] Implicit Places using invariants and state equation in 4375 ms returned []
Implicit Place search using SMT with State Equation took 5693 ms to find 0 implicit places.
Running 1584 sub problems to find dead transitions.
[2025-06-01 22:45:57] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:45:57] [INFO ] Invariant cache hit.
[2025-06-01 22:45:57] [INFO ] State equation strengthened by 262 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/605 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/605 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 605/1663 variables, and 2 constraints, problems are : Problem set: 0 solved, 1584 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/605 constraints, ReadFeed: 0/262 constraints, PredecessorRefiner: 1584/1584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1584 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/605 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/605 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 605/1663 variables, and 2 constraints, problems are : Problem set: 0 solved, 1584 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/605 constraints, ReadFeed: 0/262 constraints, PredecessorRefiner: 0/1584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63599ms problems are : Problem set: 0 solved, 1584 unsolved
Search for dead transitions found 0 dead transitions in 63602ms
Starting structural reductions in LTL mode, iteration 1 : 605/649 places, 1586/1694 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69512 ms. Remains : 605/649 places, 1586/1694 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 1184 ms.
Product exploration explored 100000 steps with 50000 reset in 917 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 20 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-c002-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-c002-LTLCardinality-13 finished in 71795 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(p0))) U G(p1))))'
Support contains 2 out of 649 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 649/649 places, 1694/1694 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 642 transition count 1676
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 642 transition count 1676
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 18 place count 642 transition count 1672
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 25 place count 635 transition count 1652
Iterating global reduction 1 with 7 rules applied. Total rules applied 32 place count 635 transition count 1652
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 38 place count 629 transition count 1638
Iterating global reduction 1 with 6 rules applied. Total rules applied 44 place count 629 transition count 1638
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 50 place count 623 transition count 1624
Iterating global reduction 1 with 6 rules applied. Total rules applied 56 place count 623 transition count 1624
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 62 place count 617 transition count 1610
Iterating global reduction 1 with 6 rules applied. Total rules applied 68 place count 617 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 72 place count 613 transition count 1602
Iterating global reduction 1 with 4 rules applied. Total rules applied 76 place count 613 transition count 1602
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 80 place count 609 transition count 1594
Iterating global reduction 1 with 4 rules applied. Total rules applied 84 place count 609 transition count 1594
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 86 place count 607 transition count 1590
Iterating global reduction 1 with 2 rules applied. Total rules applied 88 place count 607 transition count 1590
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 89 place count 606 transition count 1588
Iterating global reduction 1 with 1 rules applied. Total rules applied 90 place count 606 transition count 1588
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 91 place count 605 transition count 1586
Iterating global reduction 1 with 1 rules applied. Total rules applied 92 place count 605 transition count 1586
Applied a total of 92 rules in 216 ms. Remains 605 /649 variables (removed 44) and now considering 1586/1694 (removed 108) transitions.
[2025-06-01 22:47:03] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:47:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:47:04] [INFO ] Implicit Places using invariants in 997 ms returned []
[2025-06-01 22:47:04] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:47:05] [INFO ] State equation strengthened by 262 read => feed constraints.
[2025-06-01 22:47:09] [INFO ] Implicit Places using invariants and state equation in 4979 ms returned []
Implicit Place search using SMT with State Equation took 5979 ms to find 0 implicit places.
Running 1584 sub problems to find dead transitions.
[2025-06-01 22:47:09] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:47:09] [INFO ] Invariant cache hit.
[2025-06-01 22:47:09] [INFO ] State equation strengthened by 262 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/605 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
SMT process timed out in 33702ms, After SMT, problems are : Problem set: 0 solved, 1584 unsolved
Search for dead transitions found 0 dead transitions in 33705ms
Starting structural reductions in LTL mode, iteration 1 : 605/649 places, 1586/1694 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39904 ms. Remains : 605/649 places, 1586/1694 transitions.
Stuttering acceptance computed with spot in 341 ms :[(NOT p1), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : FunctionPointer-PT-c002-LTLCardinality-14
Product exploration explored 100000 steps with 16632 reset in 935 ms.
Product exploration explored 100000 steps with 16703 reset in 611 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 331 ms :[(NOT p1), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
RANDOM walk for 40002 steps (8 resets) in 479 ms. (83 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 196 ms. (203 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 3/3 properties
[2025-06-01 22:47:45] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2025-06-01 22:47:45] [INFO ] Invariant cache hit.
[2025-06-01 22:47:45] [INFO ] State equation strengthened by 262 read => feed constraints.
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: 0 solved, 3 unsolved
Problem apf2 is UNSAT
At refinement iteration 1 (OVERLAPS) 382/384 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 208/1233 variables, 4/389 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1233 variables, 194/583 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1233 variables, 0/583 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 344/1577 variables, 141/724 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1577 variables, 1/725 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1577 variables, 68/793 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1577 variables, 0/793 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 74/1651 variables, 69/862 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1651 variables, 0/862 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 8/1659 variables, 4/866 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1659 variables, 0/866 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 4/1663 variables, 3/869 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1663 variables, 0/869 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/1663 variables, 0/869 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1663/1663 variables, and 869 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1736 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 605/605 constraints, ReadFeed: 262/262 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 382/384 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 208/1233 variables, 4/389 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1233 variables, 194/583 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1233 variables, 2/585 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:47:48] [INFO ] Deduced a trap along path composed of 3 places in 46 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1233 variables, 1/586 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1233 variables, 0/586 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 344/1577 variables, 141/727 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1577 variables, 1/728 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1577 variables, 68/796 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1577 variables, 0/796 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 74/1651 variables, 69/865 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1651 variables, 0/865 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/1659 variables, 4/869 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1659 variables, 0/869 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 4/1663 variables, 3/872 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1663 variables, 0/872 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1663 variables, 0/872 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1663/1663 variables, and 872 constraints, problems are : Problem set: 1 solved, 2 unsolved in 2685 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 605/605 constraints, ReadFeed: 262/262 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4477ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 1902 steps, including 136 resets, run visited all 2 properties in 94 ms. (steps per millisecond=20 )
Parikh walk visited 2 properties in 94 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1)), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be false thanks to negative knowledge :(F (NOT (OR p0 p1)))
Knowledge based reduction with 4 factoid took 167 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-c002-LTLCardinality-14 FALSE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-c002-LTLCardinality-14 finished in 47388 ms.
All properties solved by simple procedures.
Total runtime 571982 ms.
BK_STOP 1748818070743
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="FunctionPointer-PT-c002"
export BK_EXAMINATION="LTLCardinality"
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 FunctionPointer-PT-c002, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r100-smll-174867007400115"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c002.tgz
mv FunctionPointer-PT-c002 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;