Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854027600015.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 CloudDeployment-PT-2b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854027600015
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K 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 2.3K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K 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 3.7K 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 166K 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 CloudDeployment-PT-2b-ReachabilityFireability-2025-00
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-01
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-02
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-03
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-04
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-05
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-06
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-07
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-08
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-09
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-10
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-11
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-12
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-13
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-14
FORMULA_NAME CloudDeployment-PT-2b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748552432269

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-2b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-29 21:00:33] [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]
[2025-05-29 21:00:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 21:00:33] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2025-05-29 21:00:33] [INFO ] Transformed 556 places.
[2025-05-29 21:00:33] [INFO ] Transformed 684 transitions.
[2025-05-29 21:00:33] [INFO ] Found NUPN structural information;
[2025-05-29 21:00:33] [INFO ] Parsed PT model containing 556 places and 684 transitions and 1987 arcs in 193 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (626 resets) in 1425 ms. (28 steps per ms) remains 8/16 properties
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (149 resets) in 505 ms. (79 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (94 resets) in 233 ms. (170 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (142 resets) in 157 ms. (253 steps per ms) remains 8/8 properties
[2025-05-29 21:00:34] [INFO ] Flatten gal took : 154 ms
[2025-05-29 21:00:34] [INFO ] Flatten gal took : 79 ms
BEST_FIRST walk for 40004 steps (146 resets) in 355 ms. (112 steps per ms) remains 8/8 properties
[2025-05-29 21:00:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12361721302666658161.gal : 74 ms
BEST_FIRST walk for 40004 steps (145 resets) in 402 ms. (99 steps per ms) remains 8/8 properties
[2025-05-29 21:00:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16055866512773956777.prop : 4 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/ReachabilityCardinality12361721302666658161.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16055866512773956777.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...330
BEST_FIRST walk for 40003 steps (95 resets) in 211 ms. (188 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (180 resets) in 131 ms. (303 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality16055866512773956777.prop.
BEST_FIRST walk for 40001 steps (142 resets) in 254 ms. (156 steps per ms) remains 8/8 properties
// Phase 1: matrix 684 rows 556 cols
[2025-05-29 21:00:35] [INFO ] Computed 9 invariants in 28 ms
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :9 after 10
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :10 after 11
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :11 after 17
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :17 after 37
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :37 after 121
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :121 after 711
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :711 after 18830
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :18830 after 19429
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/147 variables, 147/147 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :19429 after 30671
At refinement iteration 3 (OVERLAPS) 408/555 variables, 8/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 408/564 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :30671 after 68502
At refinement iteration 6 (OVERLAPS) 684/1239 variables, 555/1119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1239 variables, 0/1119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem CloudDeployment-PT-2b-ReachabilityFireability-2025-14 is UNSAT
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 1/1240 variables, 1/1120 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1240 variables, 1/1121 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1240 variables, 0/1121 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/1240 variables, 0/1121 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1240/1240 variables, and 1121 constraints, problems are : Problem set: 1 solved, 7 unsolved in 4666 ms.
Refiners :[Domain max(s): 556/556 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 556/556 constraints, PredecessorRefiner: 8/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/147 variables, 147/147 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 1/148 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/148 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 408/555 variables, 8/156 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 408/564 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 0/564 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 684/1239 variables, 555/1119 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1239 variables, 2/1121 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1239 variables, 0/1121 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem CloudDeployment-PT-2b-ReachabilityFireability-2025-08 is UNSAT
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 1/1240 variables, 1/1122 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1240 variables, 1/1123 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1240/1240 variables, and 1123 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5017 ms.
Refiners :[Domain max(s): 556/556 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 556/556 constraints, PredecessorRefiner: 7/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9823ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 122 out of 556 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 556/556 places, 684/684 transitions.
Graph (trivial) has 338 edges and 556 vertex of which 17 / 556 are part of one of the 3 SCC in 6 ms
Free SCC test removed 14 places
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Graph (complete) has 1091 edges and 542 vertex of which 540 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 139 transitions
Trivial Post-agglo rules discarded 139 transitions
Performed 139 trivial Post agglomeration. Transition count delta: 139
Iterating post reduction 0 with 139 rules applied. Total rules applied 141 place count 540 transition count 528
Reduce places removed 139 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Iterating post reduction 1 with 188 rules applied. Total rules applied 329 place count 401 transition count 479
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 377 place count 353 transition count 479
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 377 place count 353 transition count 458
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 419 place count 332 transition count 458
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 474 place count 277 transition count 403
Iterating global reduction 3 with 55 rules applied. Total rules applied 529 place count 277 transition count 403
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 3 with 4 rules applied. Total rules applied 533 place count 277 transition count 399
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 534 place count 276 transition count 399
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 534 place count 276 transition count 397
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 538 place count 274 transition count 397
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 2 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 5 with 50 rules applied. Total rules applied 588 place count 249 transition count 372
Performed 18 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 5 with 36 rules applied. Total rules applied 624 place count 231 transition count 428
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 626 place count 231 transition count 426
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 631 place count 231 transition count 421
Free-agglomeration rule applied 9 times.
Iterating global reduction 6 with 9 rules applied. Total rules applied 640 place count 231 transition count 412
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 650 place count 222 transition count 411
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 651 place count 221 transition count 409
Iterating global reduction 7 with 1 rules applied. Total rules applied 652 place count 221 transition count 409
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 653 place count 221 transition count 408
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 8 with 12 rules applied. Total rules applied 665 place count 221 transition count 408
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 669 place count 221 transition count 404
Applied a total of 669 rules in 195 ms. Remains 221 /556 variables (removed 335) and now considering 404/684 (removed 280) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 221/556 places, 404/684 transitions.
RANDOM walk for 40000 steps (1411 resets) in 295 ms. (135 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (305 resets) in 186 ms. (213 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (220 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (329 resets) in 121 ms. (327 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (309 resets) in 154 ms. (258 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (229 resets) in 131 ms. (303 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (291 resets) in 143 ms. (277 steps per ms) remains 5/6 properties
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-29 21:00:45] [INFO ] Flow matrix only has 401 transitions (discarded 3 similar events)
// Phase 1: matrix 401 rows 221 cols
[2025-05-29 21:00:45] [INFO ] Computed 7 invariants in 3 ms
[2025-05-29 21:00:45] [INFO ] State equation strengthened by 5 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) 0/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 30/130 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 367/497 variables, 130/137 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/497 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/497 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 117/614 variables, 85/224 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/614 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/614 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 8/622 variables, 6/233 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/622 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/622 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 622/622 variables, and 233 constraints, problems are : Problem set: 0 solved, 5 unsolved in 904 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 221/221 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 30/130 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 367/497 variables, 130/137 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/497 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/497 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/497 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 117/614 variables, 85/225 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/614 variables, 3/228 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/614 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/614 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 8/622 variables, 6/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/622 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/622 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 622/622 variables, and 235 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1447 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 221/221 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2386ms problems are : Problem set: 0 solved, 5 unsolved
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 757 ms.
Support contains 97 out of 221 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 221/221 places, 404/404 transitions.
Graph (trivial) has 39 edges and 221 vertex of which 4 / 221 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (complete) has 754 edges and 219 vertex of which 218 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 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 5 rules applied. Total rules applied 7 place count 218 transition count 394
Reduce places removed 4 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 9 rules applied. Total rules applied 16 place count 214 transition count 389
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 22 place count 209 transition count 388
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 22 place count 209 transition count 386
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 26 place count 207 transition count 386
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 30 place count 203 transition count 382
Iterating global reduction 3 with 4 rules applied. Total rules applied 34 place count 203 transition count 382
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 44 place count 198 transition count 377
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 50 place count 195 transition count 384
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 52 place count 195 transition count 382
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 56 place count 195 transition count 378
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 59 place count 195 transition count 375
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 62 place count 192 transition count 375
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 63 place count 192 transition count 374
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 64 place count 191 transition count 374
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 70 place count 191 transition count 374
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 71 place count 191 transition count 373
Applied a total of 71 rules in 68 ms. Remains 191 /221 variables (removed 30) and now considering 373/404 (removed 31) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 191/221 places, 373/404 transitions.
RANDOM walk for 40000 steps (1723 resets) in 332 ms. (120 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (306 resets) in 178 ms. (223 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (223 resets) in 47 ms. (833 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (295 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (243 resets) in 108 ms. (367 steps per ms) remains 4/4 properties
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :68502 after 795784
Interrupted probabilistic random walk after 880559 steps, run timeout after 3001 ms. (steps per millisecond=293 ) properties seen :2 out of 4
Probabilistic random walk after 880559 steps, saw 166863 distinct states, run finished after 3005 ms. (steps per millisecond=293 ) properties seen :2
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-05-29 21:00:51] [INFO ] Flow matrix only has 368 transitions (discarded 5 similar events)
// Phase 1: matrix 368 rows 191 cols
[2025-05-29 21:00:51] [INFO ] Computed 8 invariants in 4 ms
[2025-05-29 21:00:51] [INFO ] State equation strengthened by 8 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) 0/77 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 70/147 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 343/490 variables, 147/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 5/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/490 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 64/554 variables, 39/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/554 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/554 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/559 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/559 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/559 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 207 constraints, problems are : Problem set: 0 solved, 2 unsolved in 366 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 191/191 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 70/147 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 343/490 variables, 147/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 5/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/490 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 64/554 variables, 39/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/554 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/554 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/559 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/559 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/559 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 207 constraints, problems are : Problem set: 0 solved, 2 unsolved in 616 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 191/191 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1000ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 175 ms.
Support contains 77 out of 191 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 191/191 places, 373/373 transitions.
Graph (trivial) has 64 edges and 191 vertex of which 14 / 191 are part of one of the 6 SCC in 2 ms
Free SCC test removed 8 places
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 18 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 0 with 5 rules applied. Total rules applied 6 place count 183 transition count 350
Reduce places removed 5 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 8 rules applied. Total rules applied 14 place count 178 transition count 347
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 17 place count 175 transition count 347
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 17 place count 175 transition count 343
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 25 place count 171 transition count 343
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 26 place count 170 transition count 342
Iterating global reduction 3 with 1 rules applied. Total rules applied 27 place count 170 transition count 342
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 39 place count 164 transition count 336
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 43 place count 164 transition count 332
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 47 place count 162 transition count 340
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 162 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 5 with 17 rules applied. Total rules applied 65 place count 162 transition count 322
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 70 place count 162 transition count 317
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 75 place count 157 transition count 317
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 79 place count 157 transition count 317
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 82 place count 157 transition count 314
Applied a total of 82 rules in 50 ms. Remains 157 /191 variables (removed 34) and now considering 314/373 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 157/191 places, 314/373 transitions.
RANDOM walk for 40000 steps (1964 resets) in 212 ms. (187 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (362 resets) in 175 ms. (227 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (314 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1147766 steps, run timeout after 3001 ms. (steps per millisecond=382 ) properties seen :0 out of 2
Probabilistic random walk after 1147766 steps, saw 199334 distinct states, run finished after 3001 ms. (steps per millisecond=382 ) properties seen :0
[2025-05-29 21:00:56] [INFO ] Flow matrix only has 297 transitions (discarded 17 similar events)
// Phase 1: matrix 297 rows 157 cols
[2025-05-29 21:00:56] [INFO ] Computed 8 invariants in 2 ms
[2025-05-29 21:00:56] [INFO ] State equation strengthened by 12 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) 0/77 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 47/124 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 295/419 variables, 124/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 10/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 35/454 variables, 33/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/454 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/454 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/454 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 454/454 variables, and 177 constraints, problems are : Problem set: 0 solved, 2 unsolved in 292 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 157/157 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 47/124 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 295/419 variables, 124/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 10/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 35/454 variables, 33/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/454 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/454 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/454 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 454/454 variables, and 177 constraints, problems are : Problem set: 0 solved, 2 unsolved in 330 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 157/157 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 637ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-00 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 59 ms.
Support contains 33 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 314/314 transitions.
Graph (trivial) has 85 edges and 157 vertex of which 16 / 157 are part of one of the 4 SCC in 0 ms
Free SCC test removed 12 places
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Graph (complete) has 616 edges and 145 vertex of which 144 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 12 rules applied. Total rules applied 14 place count 144 transition count 283
Reduce places removed 11 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 15 rules applied. Total rules applied 29 place count 133 transition count 279
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 33 place count 129 transition count 279
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 33 place count 129 transition count 273
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 45 place count 123 transition count 273
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 46 place count 122 transition count 272
Iterating global reduction 3 with 1 rules applied. Total rules applied 47 place count 122 transition count 272
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 73 place count 109 transition count 259
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 77 place count 109 transition count 255
Performed 3 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 83 place count 106 transition count 271
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 84 place count 105 transition count 259
Iterating global reduction 4 with 1 rules applied. Total rules applied 85 place count 105 transition count 259
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 95 place count 105 transition count 249
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 97 place count 104 transition count 248
Free-agglomeration rule applied 7 times.
Iterating global reduction 4 with 7 rules applied. Total rules applied 104 place count 104 transition count 241
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 114 place count 97 transition count 238
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 115 place count 96 transition count 236
Iterating global reduction 5 with 1 rules applied. Total rules applied 116 place count 96 transition count 236
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 117 place count 96 transition count 235
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 118 place count 96 transition count 234
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 121 place count 96 transition count 234
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 122 place count 96 transition count 233
Applied a total of 122 rules in 79 ms. Remains 96 /157 variables (removed 61) and now considering 233/314 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 96/157 places, 233/314 transitions.
RANDOM walk for 40000 steps (1667 resets) in 703 ms. (56 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (208 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2637163 steps, run timeout after 3001 ms. (steps per millisecond=878 ) properties seen :0 out of 1
Probabilistic random walk after 2637163 steps, saw 362610 distinct states, run finished after 3001 ms. (steps per millisecond=878 ) properties seen :0
[2025-05-29 21:01:00] [INFO ] Flow matrix only has 210 transitions (discarded 23 similar events)
// Phase 1: matrix 210 rows 96 cols
[2025-05-29 21:01:00] [INFO ] Computed 9 invariants in 4 ms
[2025-05-29 21:01:00] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 62/95 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 210/305 variables, 95/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 21/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/306 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/306 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/306 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 96/96 constraints, ReadFeed: 21/21 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 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 62/95 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 210/305 variables, 95/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 21/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/306 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/306 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/306 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 96/96 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 297ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 33 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 233/233 transitions.
Applied a total of 0 rules in 4 ms. Remains 96 /96 variables (removed 0) and now considering 233/233 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 96/96 places, 233/233 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 233/233 transitions.
Applied a total of 0 rules in 4 ms. Remains 96 /96 variables (removed 0) and now considering 233/233 (removed 0) transitions.
[2025-05-29 21:01:00] [INFO ] Flow matrix only has 210 transitions (discarded 23 similar events)
[2025-05-29 21:01:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:00] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-05-29 21:01:00] [INFO ] Flow matrix only has 210 transitions (discarded 23 similar events)
[2025-05-29 21:01:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:00] [INFO ] State equation strengthened by 21 read => feed constraints.
[2025-05-29 21:01:00] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 21:01:00] [INFO ] Redundant transitions in 65 ms returned []
Running 232 sub problems to find dead transitions.
[2025-05-29 21:01:00] [INFO ] Flow matrix only has 210 transitions (discarded 23 similar events)
[2025-05-29 21:01:00] [INFO ] Invariant cache hit.
[2025-05-29 21:01:00] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (OVERLAPS) 210/305 variables, 95/104 constraints. Problems are: Problem set: 0 solved, 232 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 21/125 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 232 unsolved
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
At refinement iteration 5 (OVERLAPS) 1/306 variables, 1/126 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/126 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/126 constraints. Problems are: Problem set: 15 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 126 constraints, problems are : Problem set: 15 solved, 217 unsolved in 9338 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 96/96 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 15 solved, 217 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 5/5 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/5 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 4/95 variables, 4/9 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/9 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 210/305 variables, 95/104 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 21/125 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 217/342 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 0/342 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 8 (OVERLAPS) 1/306 variables, 1/343 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 0/343 constraints. Problems are: Problem set: 15 solved, 217 unsolved
At refinement iteration 10 (OVERLAPS) 0/306 variables, 0/343 constraints. Problems are: Problem set: 15 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 343 constraints, problems are : Problem set: 15 solved, 217 unsolved in 29082 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 96/96 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 217/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38581ms problems are : Problem set: 15 solved, 217 unsolved
Search for dead transitions found 15 dead transitions in 38582ms
Found 15 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 15 transitions
Dead transitions reduction (with SMT) removed 15 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 96/96 places, 218/233 transitions.
Graph (complete) has 485 edges and 96 vertex of which 95 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 92 transition count 218
Applied a total of 4 rules in 9 ms. Remains 92 /96 variables (removed 4) and now considering 218/218 (removed 0) transitions.
[2025-05-29 21:01:39] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
// Phase 1: matrix 195 rows 92 cols
[2025-05-29 21:01:39] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:39] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-29 21:01:39] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
[2025-05-29 21:01:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:39] [INFO ] State equation strengthened by 21 read => feed constraints.
[2025-05-29 21:01:39] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 92/96 places, 218/233 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38996 ms. Remains : 92/96 places, 218/233 transitions.
RANDOM walk for 40000 steps (1679 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (211 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2508916 steps, run timeout after 3001 ms. (steps per millisecond=836 ) properties seen :0 out of 1
Probabilistic random walk after 2508916 steps, saw 346781 distinct states, run finished after 3001 ms. (steps per millisecond=836 ) properties seen :0
[2025-05-29 21:01:42] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
[2025-05-29 21:01:42] [INFO ] Invariant cache hit.
[2025-05-29 21:01:42] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/89 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 195/284 variables, 89/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/284 variables, 21/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/284 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/287 variables, 3/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 122 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 92/92 constraints, ReadFeed: 21/21 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 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/89 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 195/284 variables, 89/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/284 variables, 21/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/284 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/287 variables, 3/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 287/287 variables, and 122 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 92/92 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 33 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 218/218 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 92/92 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 218/218 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2025-05-29 21:01:42] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
[2025-05-29 21:01:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:43] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-05-29 21:01:43] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
[2025-05-29 21:01:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 21:01:43] [INFO ] State equation strengthened by 21 read => feed constraints.
[2025-05-29 21:01:43] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 21:01:43] [INFO ] Redundant transitions in 101 ms returned []
Running 217 sub problems to find dead transitions.
[2025-05-29 21:01:43] [INFO ] Flow matrix only has 195 transitions (discarded 23 similar events)
[2025-05-29 21:01:43] [INFO ] Invariant cache hit.
[2025-05-29 21:01:43] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 3/91 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 195/286 variables, 91/100 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 21/121 constraints. Problems are: Problem set: 0 solved, 217 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 7 (OVERLAPS) 1/287 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 9 (OVERLAPS) 0/287 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 122 constraints, problems are : Problem set: 0 solved, 217 unsolved in 9525 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 92/92 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 3/91 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 195/286 variables, 91/100 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 21/121 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 217/338 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/286 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 8 (OVERLAPS) 1/287 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/287 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 10 (OVERLAPS) 0/287 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Int declared 287/287 variables, and 339 constraints, problems are : Problem set: 0 solved, 217 unsolved in 27466 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 92/92 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37105ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 37107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37376 ms. Remains : 92/92 places, 218/218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 92 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 91 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 91 transition count 194
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 90 transition count 193
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 90 transition count 192
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 29 place count 89 transition count 192
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 89 transition count 192
Applied a total of 31 rules in 15 ms. Remains 89 /92 variables (removed 3) and now considering 192/218 (removed 26) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 192 rows 89 cols
[2025-05-29 21:02:20] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 21:02:20] [INFO ] After 40ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 21:02:20] [INFO ] [Nat]Absence check using 0 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-29 21:02:20] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 21:02:20] [INFO ] After 65ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 21:02:20] [INFO ] After 112ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-29 21:02:20] [INFO ] Flatten gal took : 16 ms
[2025-05-29 21:02:20] [INFO ] Flatten gal took : 15 ms
[2025-05-29 21:02:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7854432117357342258.gal : 3 ms
[2025-05-29 21:02:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9301582602521405903.prop : 0 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/ReachabilityCardinality7854432117357342258.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9301582602521405903.prop' '--nowitness' '--gen-order' 'FOLLOW'

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
Loading property file /tmp/ReachabilityCardinality9301582602521405903.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 31
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :31 after 2305
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2305 after 3102
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3102 after 3485
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3485 after 112491
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :112491 after 1.31968e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.04819e+06,5.30671,7904,2,1267,14,19219,7,0,586,13488,0
Total reachable state count : 3048188

Verifying 1 reachability properties.
Reachability property CloudDeployment-PT-2b-ReachabilityFireability-2025-07 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudDeployment-PT-2b-ReachabilityFireability-2025-07,1728,5.31379,8032,2,301,14,19219,7,0,637,13488,0
Over-approximation ignoring read arcs solved 0 properties in 5545 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-29 21:02:25] [INFO ] Flatten gal took : 31 ms
[2025-05-29 21:02:25] [INFO ] Applying decomposition
[2025-05-29 21:02:25] [INFO ] Flatten gal took : 27 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16613500283861178969.txt' '-o' '/tmp/graph16613500283861178969.bin' '-w' '/tmp/graph16613500283861178969.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16613500283861178969.bin' '-l' '-1' '-v' '-w' '/tmp/graph16613500283861178969.weights' '-q' '0' '-e' '0.001'
[2025-05-29 21:02:26] [INFO ] Decomposing Gal with order
[2025-05-29 21:02:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 21:02:26] [INFO ] Removed a total of 613 redundant transitions.
[2025-05-29 21:02:26] [INFO ] Flatten gal took : 111 ms
[2025-05-29 21:02:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 37 ms.
[2025-05-29 21:02:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2230700369714501784.gal : 10 ms
[2025-05-29 21:02:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14452456699849376897.prop : 1 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/ReachabilityCardinality2230700369714501784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14452456699849376897.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality14452456699849376897.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1 after 773
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :773 after 9.99535e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :9.99535e+06 after 1.3751e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.3751e+08 after 5.1938e+10
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.67658e+11,18.0263,460700,10142,123,548387,1924,1213,3.61928e+06,116,7511,0
Total reachable state count : 167657654522

Verifying 1 reachability properties.
Reachability property CloudDeployment-PT-2b-ReachabilityFireability-2025-07 is true.
FORMULA CloudDeployment-PT-2b-ReachabilityFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CloudDeployment-PT-2b-ReachabilityFireability-2025-07,4864,18.1394,460700,249,40,548387,1924,1307,3.61928e+06,127,7511,11155
All properties solved without resorting to model-checking.
Total runtime 131217 ms.

BK_STOP 1748552564801

--------------------
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="CloudDeployment-PT-2b"
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 CloudDeployment-PT-2b, 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-174854027600015"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-2b.tgz
mv CloudDeployment-PT-2b 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 ;