Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028600527.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 CO4-PT-19, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028600527
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 808K
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 332K 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 CO4-PT-19-ReachabilityFireability-2025-00
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-01
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-02
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-03
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-04
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-05
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-06
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-07
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-08
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-09
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-10
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-11
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-12
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-13
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-14
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748611030013

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-19
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 13:17:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 13:17:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 13:17:11] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2025-05-30 13:17:11] [INFO ] Transformed 1174 places.
[2025-05-30 13:17:11] [INFO ] Transformed 1447 transitions.
[2025-05-30 13:17:11] [INFO ] Found NUPN structural information;
[2025-05-30 13:17:11] [INFO ] Parsed PT model containing 1174 places and 1447 transitions and 3662 arcs in 206 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 201 places in 15 ms
Reduce places removed 201 places and 274 transitions.
FORMULA CO4-PT-19-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-05-30 13:17:12] [INFO ] Flatten gal took : 208 ms
RANDOM walk for 40000 steps (781 resets) in 1932 ms. (20 steps per ms) remains 10/15 properties
FORMULA CO4-PT-19-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 13:17:12] [INFO ] Flatten gal took : 79 ms
[2025-05-30 13:17:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4082157860163521987.gal : 46 ms
[2025-05-30 13:17:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6007342515596997019.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4082157860163521987.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6007342515596997019.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (128 resets) in 383 ms. (104 steps per ms) remains 10/10 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (144 resets) in 133 ms. (298 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (134 resets) in 165 ms. (240 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality6007342515596997019.prop.
BEST_FIRST walk for 40003 steps (97 resets) in 107 ms. (370 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (125 resets) in 458 ms. (87 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (139 resets) in 116 ms. (341 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (144 resets) in 140 ms. (283 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (143 resets) in 116 ms. (341 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (123 resets) in 124 ms. (320 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (141 resets) in 83 ms. (476 steps per ms) remains 9/10 properties
FORMULA CO4-PT-19-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 1173 rows 973 cols
[2025-05-30 13:17:12] [INFO ] Computed 12 invariants in 22 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :8 after 12
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :12 after 14
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :14 after 43
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :43 after 52
SDD proceeding with computation,10 properties remain. new max is 256
All remaining problems are real, not stopping.
SDD size :52 after 72
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :72 after 104
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :104 after 175
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :175 after 5289
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :5289 after 5513
Problem CO4-PT-19-ReachabilityFireability-2025-09 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2025-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 896/970 variables, 10/84 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/970 variables, 896/980 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :5513 after 32666
At refinement iteration 4 (INCLUDED_ONLY) 0/970 variables, 0/980 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/971 variables, 1/981 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/971 variables, 1/982 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/971 variables, 0/982 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 2/973 variables, 1/983 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/973 variables, 2/985 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :32666 after 620933
At refinement iteration 10 (INCLUDED_ONLY) 0/973 variables, 0/985 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1173/2146 variables, 973/1958 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2146 variables, 0/1958 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 32768
SDD size :620933 after 1.74026e+08
At refinement iteration 13 (OVERLAPS) 0/2146 variables, 0/1958 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2146/2146 variables, and 1958 constraints, problems are : Problem set: 1 solved, 8 unsolved in 3240 ms.
Refiners :[Domain max(s): 973/973 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 973/973 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 67/67 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 0/67 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem CO4-PT-19-ReachabilityFireability-2025-11 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2025-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 903/970 variables, 10/77 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/970 variables, 903/980 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:17:16] [INFO ] Deduced a trap composed of 83 places in 103 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/970 variables, 1/981 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/970 variables, 0/981 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 1/971 variables, 1/982 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/971 variables, 1/983 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/971 variables, 0/983 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Reachability property CO4-PT-19-ReachabilityFireability-2025-10 is true.
FORMULA CO4-PT-19-ReachabilityFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 32768
At refinement iteration 9 (OVERLAPS) 2/973 variables, 1/984 constraints. Problems are: Problem set: 3 solved, 6 unsolved
SDD size :1.74026e+08 after 1.08514e+09
At refinement iteration 10 (INCLUDED_ONLY) 0/973 variables, 2/986 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/973 variables, 0/986 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 1173/2146 variables, 973/1959 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2146 variables, 4/1963 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2146/2146 variables, and 1963 constraints, problems are : Problem set: 3 solved, 6 unsolved in 5511 ms.
Refiners :[Domain max(s): 973/973 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 973/973 constraints, PredecessorRefiner: 7/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8875ms problems are : Problem set: 3 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 44 out of 973 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 973/973 places, 1173/1173 transitions.
Graph (trivial) has 810 edges and 973 vertex of which 3 / 973 are part of one of the 1 SCC in 7 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Graph (complete) has 1567 edges and 971 vertex of which 925 are kept as prefixes of interest. Removing 46 places using SCC suffix rule.4 ms
Discarding 46 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 451 transitions
Trivial Post-agglo rules discarded 451 transitions
Performed 451 trivial Post agglomeration. Transition count delta: 451
Iterating post reduction 0 with 468 rules applied. Total rules applied 470 place count 925 transition count 679
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 458 rules applied. Total rules applied 928 place count 474 transition count 672
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 9 rules applied. Total rules applied 937 place count 470 transition count 667
Reduce places removed 3 places and 0 transitions.
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Iterating post reduction 3 with 33 rules applied. Total rules applied 970 place count 467 transition count 637
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 4 with 30 rules applied. Total rules applied 1000 place count 437 transition count 637
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 34 Pre rules applied. Total rules applied 1000 place count 437 transition count 603
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 5 with 68 rules applied. Total rules applied 1068 place count 403 transition count 603
Discarding 102 places :
Symmetric choice reduction at 5 with 102 rule applications. Total rules 1170 place count 301 transition count 499
Iterating global reduction 5 with 102 rules applied. Total rules applied 1272 place count 301 transition count 499
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 5 with 21 rules applied. Total rules applied 1293 place count 301 transition count 478
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 15 rules applied. Total rules applied 1308 place count 294 transition count 470
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 7 with 5 rules applied. Total rules applied 1313 place count 293 transition count 466
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 1319 place count 290 transition count 463
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 9 Pre rules applied. Total rules applied 1319 place count 290 transition count 454
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 9 with 18 rules applied. Total rules applied 1337 place count 281 transition count 454
Discarding 23 places :
Symmetric choice reduction at 9 with 23 rule applications. Total rules 1360 place count 258 transition count 418
Iterating global reduction 9 with 23 rules applied. Total rules applied 1383 place count 258 transition count 418
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1388 place count 258 transition count 413
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1389 place count 257 transition count 412
Iterating global reduction 10 with 1 rules applied. Total rules applied 1390 place count 257 transition count 412
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1391 place count 257 transition count 411
Performed 68 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 11 with 136 rules applied. Total rules applied 1527 place count 189 transition count 336
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 1534 place count 189 transition count 329
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1535 place count 188 transition count 327
Iterating global reduction 12 with 1 rules applied. Total rules applied 1536 place count 188 transition count 327
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 1537 place count 188 transition count 326
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: -41
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 13 with 72 rules applied. Total rules applied 1609 place count 152 transition count 367
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 13 with 14 rules applied. Total rules applied 1623 place count 152 transition count 353
Discarding 19 places :
Symmetric choice reduction at 14 with 19 rule applications. Total rules 1642 place count 133 transition count 277
Iterating global reduction 14 with 19 rules applied. Total rules applied 1661 place count 133 transition count 277
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 14 with 7 rules applied. Total rules applied 1668 place count 133 transition count 270
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 1669 place count 132 transition count 264
Iterating global reduction 15 with 1 rules applied. Total rules applied 1670 place count 132 transition count 264
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 15 with 5 rules applied. Total rules applied 1675 place count 132 transition count 259
Free-agglomeration rule applied 4 times.
Iterating global reduction 15 with 4 rules applied. Total rules applied 1679 place count 132 transition count 255
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1683 place count 128 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1684 place count 128 transition count 254
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 16 with 4 rules applied. Total rules applied 1688 place count 128 transition count 254
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1689 place count 128 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1690 place count 127 transition count 253
Applied a total of 1690 rules in 319 ms. Remains 127 /973 variables (removed 846) and now considering 253/1173 (removed 920) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 327 ms. Remains : 127/973 places, 253/1173 transitions.
SDD proceeding with computation,9 properties remain. new max is 65536
SDD size :1.08514e+09 after 1.57635e+09
RANDOM walk for 40000 steps (1681 resets) in 597 ms. (66 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (240 resets) in 134 ms. (296 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (254 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (244 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (168 resets) in 87 ms. (454 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (244 resets) in 49 ms. (800 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (252 resets) in 39 ms. (1000 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 775727 steps, run timeout after 3001 ms. (steps per millisecond=258 ) properties seen :0 out of 6
Probabilistic random walk after 775727 steps, saw 142682 distinct states, run finished after 3005 ms. (steps per millisecond=258 ) properties seen :0
[2025-05-30 13:17:25] [INFO ] Flow matrix only has 239 transitions (discarded 14 similar events)
// Phase 1: matrix 239 rows 127 cols
[2025-05-30 13:17:25] [INFO ] Computed 7 invariants in 2 ms
[2025-05-30 13:17:25] [INFO ] State equation strengthened by 4 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 50/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 235/329 variables, 94/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/329 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/329 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 36/365 variables, 32/135 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/366 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/366 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/366 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 138 constraints, problems are : Problem set: 0 solved, 6 unsolved in 332 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 127/127 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 50/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 235/329 variables, 94/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/329 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/329 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 36/365 variables, 32/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/365 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 1/366 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/366 variables, 2/143 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/366 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/366 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 143 constraints, problems are : Problem set: 0 solved, 6 unsolved in 740 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 127/127 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1094ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA CO4-PT-19-ReachabilityFireability-2025-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-04 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2025-07 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 424 ms.
Support contains 21 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 253/253 transitions.
Graph (complete) has 405 edges and 127 vertex of which 125 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 125 transition count 243
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 6 rules applied. Total rules applied 15 place count 121 transition count 241
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 18 place count 120 transition count 239
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 119 transition count 239
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 11 Pre rules applied. Total rules applied 19 place count 119 transition count 228
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 41 place count 108 transition count 228
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 44 place count 105 transition count 220
Iterating global reduction 4 with 3 rules applied. Total rules applied 47 place count 105 transition count 220
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 48 place count 105 transition count 219
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 49 place count 104 transition count 213
Iterating global reduction 5 with 1 rules applied. Total rules applied 50 place count 104 transition count 213
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 64 place count 97 transition count 206
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 69 place count 97 transition count 201
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 71 place count 95 transition count 195
Iterating global reduction 6 with 2 rules applied. Total rules applied 73 place count 95 transition count 195
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 75 place count 95 transition count 193
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 83 place count 91 transition count 195
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 86 place count 88 transition count 183
Iterating global reduction 7 with 3 rules applied. Total rules applied 89 place count 88 transition count 183
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 92 place count 88 transition count 180
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 93 place count 87 transition count 174
Iterating global reduction 8 with 1 rules applied. Total rules applied 94 place count 87 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 8 with 4 rules applied. Total rules applied 98 place count 87 transition count 170
Free-agglomeration rule applied 9 times.
Iterating global reduction 8 with 9 rules applied. Total rules applied 107 place count 87 transition count 161
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 118 place count 78 transition count 159
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 120 place count 78 transition count 157
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 121 place count 78 transition count 157
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 122 place count 77 transition count 156
Applied a total of 122 rules in 41 ms. Remains 77 /127 variables (removed 50) and now considering 156/253 (removed 97) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 77/127 places, 156/253 transitions.
RANDOM walk for 40000 steps (2005 resets) in 284 ms. (140 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (267 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2526821 steps, run timeout after 3001 ms. (steps per millisecond=841 ) properties seen :0 out of 1
Probabilistic random walk after 2526821 steps, saw 401600 distinct states, run finished after 3004 ms. (steps per millisecond=841 ) properties seen :0
[2025-05-30 13:17:30] [INFO ] Flow matrix only has 142 transitions (discarded 14 similar events)
// Phase 1: matrix 142 rows 77 cols
[2025-05-30 13:17:30] [INFO ] Computed 10 invariants in 2 ms
[2025-05-30 13:17:30] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/70 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/72 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/214 variables, 72/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/214 variables, 27/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 5/219 variables, 5/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Generalized P Invariants (flows): 10/10 constraints, State Equation: 77/77 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/0 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/70 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/72 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,9 properties remain. new max is 131072
At refinement iteration 5 (OVERLAPS) 142/214 variables, 72/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/214 variables, 27/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :1.57635e+09 after 4.15452e+09
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 5/219 variables, 5/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Generalized P Invariants (flows): 10/10 constraints, State Equation: 77/77 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 231ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 21 out of 77 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 77/77 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 77 /77 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 77/77 places, 156/156 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 77/77 places, 156/156 transitions.
Applied a total of 0 rules in 3 ms. Remains 77 /77 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-05-30 13:17:30] [INFO ] Flow matrix only has 142 transitions (discarded 14 similar events)
[2025-05-30 13:17:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:17:30] [INFO ] Implicit Places using invariants in 66 ms returned [0, 71, 74]
[2025-05-30 13:17:30] [INFO ] Actually due to overlaps returned [71]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 78 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 76/77 places, 156/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 86 ms. Remains : 76/77 places, 156/156 transitions.
RANDOM walk for 40000 steps (1990 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (277 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2756022 steps, run timeout after 3001 ms. (steps per millisecond=918 ) properties seen :0 out of 1
Probabilistic random walk after 2756022 steps, saw 440216 distinct states, run finished after 3001 ms. (steps per millisecond=918 ) properties seen :0
[2025-05-30 13:17:33] [INFO ] Flow matrix only has 142 transitions (discarded 14 similar events)
// Phase 1: matrix 142 rows 76 cols
[2025-05-30 13:17:33] [INFO ] Computed 9 invariants in 3 ms
[2025-05-30 13:17:33] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/69 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/71 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/213 variables, 71/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 11/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 5/218 variables, 5/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/218 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/218 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 218/218 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 76/76 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/0 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/69 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/71 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/213 variables, 71/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 11/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 5/218 variables, 5/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/218 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/218 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 218/218 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 76/76 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 187ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 135 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=67 )
FORMULA CO4-PT-19-ReachabilityFireability-2025-01 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 10 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 22496 ms.

BK_STOP 1748611053700

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="CO4-PT-19"
export BK_EXAMINATION="ReachabilityFireability"
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 CO4-PT-19, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028600527"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-19.tgz
mv CO4-PT-19 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;