Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028500478.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)
..................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CO4-PT-13, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028500478
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K 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 75K 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 191K 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-13-ReachabilityCardinality-2025-00
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-01
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-02
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-03
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-04
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-05
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-06
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-07
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-08
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-09
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-10
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-11
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-12
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-13
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-14
FORMULA_NAME CO4-PT-13-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748607220064

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 12:13:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 12:13:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 12:13:41] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2025-05-30 12:13:41] [INFO ] Transformed 649 places.
[2025-05-30 12:13:41] [INFO ] Transformed 816 transitions.
[2025-05-30 12:13:41] [INFO ] Found NUPN structural information;
[2025-05-30 12:13:41] [INFO ] Parsed PT model containing 649 places and 816 transitions and 2232 arcs in 190 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 172 places in 10 ms
Reduce places removed 172 places and 227 transitions.
FORMULA CO4-PT-13-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityCardinality-2025-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (343 resets) in 1371 ms. (29 steps per ms) remains 7/10 properties
FORMULA CO4-PT-13-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-13-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-13-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 12:13:41] [INFO ] Flatten gal took : 116 ms
[2025-05-30 12:13:42] [INFO ] Flatten gal took : 101 ms
BEST_FIRST walk for 40002 steps (167 resets) in 502 ms. (79 steps per ms) remains 7/7 properties
[2025-05-30 12:13:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7357293047681433064.gal : 35 ms
[2025-05-30 12:13:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17931024296396262069.prop : 6 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/ReachabilityCardinality7357293047681433064.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17931024296396262069.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (231 resets) in 239 ms. (166 steps per ms) remains 7/7 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 ...329
Loading property file /tmp/ReachabilityCardinality17931024296396262069.prop.
BEST_FIRST walk for 40001 steps (234 resets) in 245 ms. (162 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (232 resets) in 166 ms. (239 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (274 resets) in 291 ms. (136 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :8 after 9
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :9 after 14
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :14 after 72
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :72 after 83
Invariant property CO4-PT-13-ReachabilityCardinality-2025-12 does not hold.
FORMULA CO4-PT-13-ReachabilityCardinality-2025-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :83 after 101
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :101 after 123
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :123 after 153
BEST_FIRST walk for 40001 steps (159 resets) in 189 ms. (210 steps per ms) remains 7/7 properties
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :153 after 401
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :401 after 37492
BEST_FIRST walk for 40001 steps (209 resets) in 123 ms. (322 steps per ms) remains 6/7 properties
// Phase 1: matrix 589 rows 477 cols
[2025-05-30 12:13:42] [INFO ] Computed 9 invariants in 27 ms
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :37492 after 37632
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) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 417/469 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/469 variables, 417/475 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/469 variables, 0/475 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 6/475 variables, 2/477 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/475 variables, 6/483 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/475 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 2/477 variables, 1/484 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/477 variables, 2/486 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 589/1066 variables, 477/963 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1066 variables, 0/963 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/1066 variables, 0/963 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1066/1066 variables, and 963 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1781 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 6/6 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem CO4-PT-13-ReachabilityCardinality-2025-01 is UNSAT
FORMULA CO4-PT-13-ReachabilityCardinality-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 417/469 variables, 6/58 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/469 variables, 417/475 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:45] [INFO ] Deduced a trap composed of 22 places in 262 ms of which 113 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:45] [INFO ] Deduced a trap composed of 22 places in 226 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:45] [INFO ] Deduced a trap composed of 59 places in 188 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:45] [INFO ] Deduced a trap composed of 264 places in 188 ms of which 59 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/469 variables, 4/479 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/469 variables, 0/479 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 6/475 variables, 2/481 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/475 variables, 6/487 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:46] [INFO ] Deduced a trap composed of 261 places in 194 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:46] [INFO ] Deduced a trap composed of 261 places in 196 ms of which 59 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/475 variables, 2/489 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/475 variables, 0/489 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 2/477 variables, 1/490 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/492 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/492 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 589/1066 variables, 477/969 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 5/974 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:48] [INFO ] Deduced a trap composed of 51 places in 180 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:48] [INFO ] Deduced a trap composed of 59 places in 194 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:13:49] [INFO ] Deduced a trap composed of 49 places in 115 ms of which 15 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1066 variables, 3/977 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1066/1066 variables, and 977 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5020 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6899ms problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 40 out of 477 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 477/477 places, 589/589 transitions.
Graph (trivial) has 410 edges and 477 vertex of which 3 / 477 are part of one of the 1 SCC in 6 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 874 edges and 475 vertex of which 450 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.6 ms
Discarding 25 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 218 transitions
Trivial Post-agglo rules discarded 218 transitions
Performed 218 trivial Post agglomeration. Transition count delta: 218
Iterating post reduction 0 with 227 rules applied. Total rules applied 229 place count 450 transition count 346
Reduce places removed 218 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 229 rules applied. Total rules applied 458 place count 232 transition count 335
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Iterating post reduction 2 with 25 rules applied. Total rules applied 483 place count 227 transition count 315
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 3 with 17 rules applied. Total rules applied 500 place count 210 transition count 315
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 500 place count 210 transition count 310
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 510 place count 205 transition count 310
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 534 place count 181 transition count 285
Iterating global reduction 4 with 24 rules applied. Total rules applied 558 place count 181 transition count 285
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 4 with 2 rules applied. Total rules applied 560 place count 181 transition count 283
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 561 place count 180 transition count 283
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 4 Pre rules applied. Total rules applied 561 place count 180 transition count 279
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 6 with 8 rules applied. Total rules applied 569 place count 176 transition count 279
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 580 place count 165 transition count 252
Iterating global reduction 6 with 11 rules applied. Total rules applied 591 place count 165 transition count 252
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 592 place count 165 transition count 251
Performed 33 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 7 with 66 rules applied. Total rules applied 658 place count 132 transition count 217
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 660 place count 132 transition count 215
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 8 with 28 rules applied. Total rules applied 688 place count 118 transition count 228
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 692 place count 114 transition count 212
Iterating global reduction 8 with 4 rules applied. Total rules applied 696 place count 114 transition count 212
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 698 place count 112 transition count 200
Iterating global reduction 8 with 2 rules applied. Total rules applied 700 place count 112 transition count 200
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 8 with 15 rules applied. Total rules applied 715 place count 112 transition count 185
Free-agglomeration rule applied 23 times.
Iterating global reduction 8 with 23 rules applied. Total rules applied 738 place count 112 transition count 162
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 8 with 23 rules applied. Total rules applied 761 place count 89 transition count 162
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 764 place count 89 transition count 159
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 9 with 5 rules applied. Total rules applied 769 place count 89 transition count 159
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 770 place count 89 transition count 159
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 771 place count 88 transition count 158
Applied a total of 771 rules in 180 ms. Remains 88 /477 variables (removed 389) and now considering 158/589 (removed 431) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 88/477 places, 158/589 transitions.
RANDOM walk for 40000 steps (14 resets) in 357 ms. (111 steps per ms) remains 1/5 properties
FORMULA CO4-PT-13-ReachabilityCardinality-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-13-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-13-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-13-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (14 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
[2025-05-30 12:13:49] [INFO ] Flow matrix only has 148 transitions (discarded 10 similar events)
// Phase 1: matrix 148 rows 88 cols
[2025-05-30 12:13:49] [INFO ] Computed 6 invariants in 3 ms
[2025-05-30 12:13:49] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/45 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/147 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 71/218 variables, 30/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/218 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/233 variables, 10/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/233 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/233 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 3/236 variables, 3/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/236 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/236 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 236/236 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[Generalized P Invariants (flows): 6/6 constraints, State Equation: 88/88 constraints, ReadFeed: 2/2 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/45 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/147 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 71/218 variables, 30/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/218 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/218 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/233 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/233 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/233 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/236 variables, 3/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/236 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/236 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 236/236 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 223 ms.
Refiners :[Generalized P Invariants (flows): 6/6 constraints, State Equation: 88/88 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 336ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 33 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=16 )
FORMULA CO4-PT-13-ReachabilityCardinality-2025-09 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 7 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 8998 ms.

BK_STOP 1748607230365

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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-13"
export BK_EXAMINATION="ReachabilityCardinality"
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-13, examination is ReachabilityCardinality"
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-174854028500478"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-13.tgz
mv CO4-PT-13 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;