Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867008200647.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 HealthRecord-PT-14, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867008200647
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K 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 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K 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 72K 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 HealthRecord-PT-14-ReachabilityFireability-2025-00
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-01
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-02
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-03
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-04
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-05
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-06
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-07
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-08
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-09
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-10
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-11
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-12
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-13
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-14
FORMULA_NAME HealthRecord-PT-14-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749005290867

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HealthRecord-PT-14
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-04 02:48:13] [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]
[2025-06-04 02:48:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 02:48:13] [INFO ] Load time of PNML (sax parser for PT used): 171 ms
[2025-06-04 02:48:13] [INFO ] Transformed 162 places.
[2025-06-04 02:48:14] [INFO ] Transformed 347 transitions.
[2025-06-04 02:48:14] [INFO ] Found NUPN structural information;
[2025-06-04 02:48:14] [INFO ] Parsed PT model containing 162 places and 347 transitions and 915 arcs in 395 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 35 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 29 transitions
Reduce redundant transitions removed 29 transitions.
[2025-06-04 02:48:15] [INFO ] Flatten gal took : 169 ms
RANDOM walk for 40000 steps (3383 resets) in 3739 ms. (10 steps per ms) remains 15/16 properties
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (38 resets) in 40 ms. (97 steps per ms) remains 15/15 properties
[2025-06-04 02:48:15] [INFO ] Flatten gal took : 91 ms
BEST_FIRST walk for 4004 steps (21 resets) in 52 ms. (75 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (22 resets) in 155 ms. (25 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (37 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
[2025-06-04 02:48:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2871917992409964802.gal : 81 ms
BEST_FIRST walk for 4003 steps (40 resets) in 207 ms. (19 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (20 resets) in 47 ms. (83 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (39 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (21 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (37 resets) in 130 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (41 resets) in 47 ms. (83 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (38 resets) in 50 ms. (78 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (39 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (39 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (39 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (39 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
[2025-06-04 02:48:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11426080722118579381.prop : 10 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/ReachabilityCardinality2871917992409964802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11426080722118579381.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 ...329
Loading property file /tmp/ReachabilityCardinality11426080722118579381.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :13 after 325
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :325 after 2188
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :2188 after 9235
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :9235 after 10207
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :10207 after 11179
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :11179 after 13123
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :13123 after 21871
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :21871 after 66097
Interrupted probabilistic random walk after 574048 steps, run timeout after 3001 ms. (steps per millisecond=191 ) properties seen :3 out of 15
Probabilistic random walk after 574048 steps, saw 82619 distinct states, run finished after 3011 ms. (steps per millisecond=190 ) properties seen :3
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
SDD proceeding with computation,15 properties remain. new max is 8192
SDD size :66097 after 152193
[2025-06-04 02:48:18] [INFO ] Flow matrix only has 306 transitions (discarded 12 similar events)
// Phase 1: matrix 306 rows 162 cols
[2025-06-04 02:48:18] [INFO ] Computed 18 invariants in 22 ms
[2025-06-04 02:48:18] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem HealthRecord-PT-14-ReachabilityFireability-2025-12 is UNSAT
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 109/109 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 0/109 constraints. Problems are: Problem set: 1 solved, 11 unsolved
Problem HealthRecord-PT-14-ReachabilityFireability-2025-05 is UNSAT
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem HealthRecord-PT-14-ReachabilityFireability-2025-07 is UNSAT
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 27/136 variables, 10/119 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 27/146 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/146 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 26/162 variables, 8/154 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 26/180 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/180 constraints. Problems are: Problem set: 3 solved, 9 unsolved
Reachability property HealthRecord-PT-14-ReachabilityFireability-2025-14 is true.
At refinement iteration 8 (OVERLAPS) 305/467 variables, 162/342 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/342 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 1/468 variables, 1/343 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/468 variables, 0/343 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 0/468 variables, 0/343 constraints. Problems are: Problem set: 3 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 468/468 variables, and 343 constraints, problems are : Problem set: 3 solved, 9 unsolved in 2733 ms.
Refiners :[Domain max(s): 162/162 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 162/162 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 11/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 9 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 34/128 variables, 10/104 constraints. Problems are: Problem set: 3 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 34/138 constraints. Problems are: Problem set: 3 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:22] [INFO ] Deduced a trap composed of 38 places in 154 ms of which 31 ms to minimize.
Problem HealthRecord-PT-14-ReachabilityFireability-2025-13 is UNSAT
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:22] [INFO ] Deduced a trap composed of 26 places in 92 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/140 constraints. Problems are: Problem set: 4 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/140 constraints. Problems are: Problem set: 4 solved, 8 unsolved
Problem HealthRecord-PT-14-ReachabilityFireability-2025-03 is UNSAT
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 34/162 variables, 8/148 constraints. Problems are: Problem set: 5 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 34/182 constraints. Problems are: Problem set: 5 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 32 places in 126 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 30 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 26 places in 112 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 29 places in 94 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 29 places in 81 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 5/187 constraints. Problems are: Problem set: 5 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 30 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:23] [INFO ] Deduced a trap composed of 29 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 30 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 29 places in 79 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 4/191 constraints. Problems are: Problem set: 5 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 29 places in 99 ms of which 11 ms to minimize.
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :152193 after 455191
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 1/192 constraints. Problems are: Problem set: 5 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 26 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 26 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 26 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 26 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:24] [INFO ] Deduced a trap composed of 26 places in 82 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/162 variables, 5/197 constraints. Problems are: Problem set: 5 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/162 variables, 0/197 constraints. Problems are: Problem set: 5 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 305/467 variables, 162/359 constraints. Problems are: Problem set: 5 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/467 variables, 5/364 constraints. Problems are: Problem set: 5 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:26] [INFO ] Deduced a trap composed of 38 places in 97 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:26] [INFO ] Deduced a trap composed of 38 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:26] [INFO ] Deduced a trap composed of 38 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:26] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/468 variables, and 368 constraints, problems are : Problem set: 5 solved, 7 unsolved in 5015 ms.
Refiners :[Domain max(s): 162/162 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 162/162 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8017ms problems are : Problem set: 5 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 73 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 318/318 transitions.
Graph (trivial) has 79 edges and 162 vertex of which 4 / 162 are part of one of the 2 SCC in 5 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Graph (complete) has 694 edges and 160 vertex of which 153 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 153 transition count 299
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 151 transition count 297
Discarding 40 places :
Symmetric choice reduction at 2 with 40 rule applications. Total rules 48 place count 111 transition count 218
Iterating global reduction 2 with 40 rules applied. Total rules applied 88 place count 111 transition count 218
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 89 place count 111 transition count 217
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 91 place count 109 transition count 213
Iterating global reduction 3 with 2 rules applied. Total rules applied 93 place count 109 transition count 213
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 97 place count 107 transition count 211
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 109 place count 107 transition count 211
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 110 place count 107 transition count 211
Applied a total of 110 rules in 129 ms. Remains 107 /162 variables (removed 55) and now considering 211/318 (removed 107) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 107/162 places, 211/318 transitions.
RANDOM walk for 40000 steps (2980 resets) in 690 ms. (57 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (241 resets) in 118 ms. (336 steps per ms) remains 6/7 properties
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (399 resets) in 134 ms. (296 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (245 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (408 resets) in 183 ms. (217 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (406 resets) in 115 ms. (344 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (398 resets) in 287 ms. (138 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (399 resets) in 236 ms. (168 steps per ms) remains 6/6 properties
// Phase 1: matrix 211 rows 107 cols
[2025-06-04 02:48:27] [INFO ] Computed 11 invariants in 3 ms
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) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/89 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/107 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 211/318 variables, 107/118 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/318 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/318 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 118 constraints, problems are : Problem set: 0 solved, 6 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/89 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 35 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:28] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 18/107 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 19 places in 140 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 20 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 19 places in 101 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 19 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 20 places in 79 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:29] [INFO ] Deduced a trap composed of 29 places in 133 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:30] [INFO ] Deduced a trap composed of 29 places in 156 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:30] [INFO ] Deduced a trap composed of 27 places in 119 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:30] [INFO ] Deduced a trap composed of 33 places in 151 ms of which 18 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 211/318 variables, 107/136 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:30] [INFO ] Deduced a trap composed of 22 places in 91 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:31] [INFO ] Deduced a trap composed of 20 places in 96 ms of which 7 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/318 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,14 properties remain. new max is 16384
At refinement iteration 13 (INCLUDED_ONLY) 0/318 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD size :455191 after 816289
At refinement iteration 14 (OVERLAPS) 0/318 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 318/318 variables, and 142 constraints, problems are : Problem set: 0 solved, 6 unsolved in 4170 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4878ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-08 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 1118 ms.
Support contains 35 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 211/211 transitions.
Graph (complete) has 488 edges and 107 vertex of which 106 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 25 places :
Symmetric choice reduction at 0 with 25 rule applications. Total rules 26 place count 81 transition count 161
Iterating global reduction 0 with 25 rules applied. Total rules applied 51 place count 81 transition count 161
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 81 transition count 160
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 58 place count 78 transition count 164
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 1 with 7 rules applied. Total rules applied 65 place count 78 transition count 164
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 67 place count 76 transition count 160
Iterating global reduction 1 with 2 rules applied. Total rules applied 69 place count 76 transition count 160
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 72 place count 76 transition count 157
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 74 place count 74 transition count 153
Iterating global reduction 2 with 2 rules applied. Total rules applied 76 place count 74 transition count 153
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 79 place count 74 transition count 150
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 80 place count 74 transition count 150
Applied a total of 80 rules in 44 ms. Remains 74 /107 variables (removed 33) and now considering 150/211 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 74/107 places, 150/211 transitions.
RANDOM walk for 40000 steps (3238 resets) in 864 ms. (46 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (454 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (466 resets) in 282 ms. (141 steps per ms) remains 2/2 properties
Invariant property HealthRecord-PT-14-ReachabilityFireability-2025-06 does not hold.
Interrupted probabilistic random walk after 1868191 steps, run timeout after 3001 ms. (steps per millisecond=622 ) properties seen :1 out of 2
Probabilistic random walk after 1868191 steps, saw 263363 distinct states, run finished after 3001 ms. (steps per millisecond=622 ) properties seen :1
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-06-04 02:48:37] [INFO ] Flow matrix only has 147 transitions (discarded 3 similar events)
// Phase 1: matrix 147 rows 74 cols
[2025-06-04 02:48:37] [INFO ] Computed 10 invariants in 2 ms
[2025-06-04 02:48:37] [INFO ] State equation strengthened by 3 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/74 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/221 variables, 74/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 3/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/221 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/221 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 87 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 74/74 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:37] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:37] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/74 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:37] [INFO ] Deduced a trap composed of 18 places in 101 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:37] [INFO ] Deduced a trap composed of 11 places in 77 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 147/221 variables, 74/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/221 variables, 3/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/221 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/221 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 221/221 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 519 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 74/74 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 703ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 34 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 150/150 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 73 transition count 148
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 73 transition count 148
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 73 transition count 147
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 72 transition count 147
Applied a total of 4 rules in 23 ms. Remains 72 /74 variables (removed 2) and now considering 147/150 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 72/74 places, 147/150 transitions.
RANDOM walk for 40000 steps (3222 resets) in 1530 ms. (26 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (456 resets) in 277 ms. (143 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2456763 steps, run timeout after 3001 ms. (steps per millisecond=818 ) properties seen :0 out of 1
Probabilistic random walk after 2456763 steps, saw 325881 distinct states, run finished after 3001 ms. (steps per millisecond=818 ) properties seen :0
[2025-06-04 02:48:41] [INFO ] Flow matrix only has 144 transitions (discarded 3 similar events)
// Phase 1: matrix 144 rows 72 cols
[2025-06-04 02:48:41] [INFO ] Computed 10 invariants in 2 ms
[2025-06-04 02:48:41] [INFO ] State equation strengthened by 3 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/72 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 144/216 variables, 72/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/216 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 72/72 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:41] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:41] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/72 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:41] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 144/216 variables, 72/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 16384
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :816289 after 1.70324e+06
[2025-06-04 02:48:41] [INFO ] Deduced a trap composed of 9 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:42] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:42] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/216 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/216 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 610 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 72/72 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 812ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 34 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 147/147 transitions.
Applied a total of 0 rules in 10 ms. Remains 72 /72 variables (removed 0) and now considering 147/147 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 72/72 places, 147/147 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 147/147 transitions.
Applied a total of 0 rules in 14 ms. Remains 72 /72 variables (removed 0) and now considering 147/147 (removed 0) transitions.
[2025-06-04 02:48:42] [INFO ] Flow matrix only has 144 transitions (discarded 3 similar events)
[2025-06-04 02:48:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:48:42] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-04 02:48:42] [INFO ] Flow matrix only has 144 transitions (discarded 3 similar events)
[2025-06-04 02:48:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:48:42] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-04 02:48:42] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:48:42] [INFO ] Redundant transitions in 9 ms returned []
Running 143 sub problems to find dead transitions.
[2025-06-04 02:48:42] [INFO ] Flow matrix only has 144 transitions (discarded 3 similar events)
[2025-06-04 02:48:42] [INFO ] Invariant cache hit.
[2025-06-04 02:48:42] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (OVERLAPS) 3/72 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:44] [INFO ] Deduced a trap composed of 10 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:44] [INFO ] Deduced a trap composed of 25 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:44] [INFO ] Deduced a trap composed of 11 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:44] [INFO ] Deduced a trap composed of 11 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:44] [INFO ] Deduced a trap composed of 22 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:45] [INFO ] Deduced a trap composed of 18 places in 88 ms of which 6 ms to minimize.
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 6/16 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 5 (OVERLAPS) 144/216 variables, 72/88 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 3/91 constraints. Problems are: Problem set: 2 solved, 141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:47] [INFO ] Deduced a trap composed of 22 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:47] [INFO ] Deduced a trap composed of 22 places in 72 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 2/93 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 9 (OVERLAPS) 0/216 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 141 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 93 constraints, problems are : Problem set: 2 solved, 141 unsolved in 9421 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 72/72 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 141 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 1 (OVERLAPS) 4/72 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 8/10 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 8/18 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 5 (OVERLAPS) 144/216 variables, 72/90 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 3/93 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 141/234 constraints. Problems are: Problem set: 2 solved, 141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:55] [INFO ] Deduced a trap composed of 22 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:55] [INFO ] Deduced a trap composed of 24 places in 68 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 2/236 constraints. Problems are: Problem set: 2 solved, 141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:48:58] [INFO ] Deduced a trap composed of 24 places in 70 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 1/237 constraints. Problems are: Problem set: 2 solved, 141 unsolved
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :1.70324e+06 after 4.37337e+06
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/237 constraints. Problems are: Problem set: 2 solved, 141 unsolved
At refinement iteration 11 (OVERLAPS) 0/216 variables, 0/237 constraints. Problems are: Problem set: 2 solved, 141 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 237 constraints, problems are : Problem set: 2 solved, 141 unsolved in 22459 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 72/72 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 141/143 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32093ms problems are : Problem set: 2 solved, 141 unsolved
Search for dead transitions found 2 dead transitions in 32097ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 72/72 places, 145/147 transitions.
Graph (complete) has 343 edges and 72 vertex of which 71 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 71 /72 variables (removed 1) and now considering 145/145 (removed 0) transitions.
[2025-06-04 02:49:14] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
// Phase 1: matrix 142 rows 71 cols
[2025-06-04 02:49:14] [INFO ] Computed 9 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:49:14] [INFO ] Implicit Places using invariants in 165 ms returned []
[2025-06-04 02:49:14] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
[2025-06-04 02:49:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:49:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-04 02:49:15] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 71/72 places, 145/147 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 32822 ms. Remains : 71/72 places, 145/147 transitions.
RANDOM walk for 40000 steps (3215 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (479 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1995451 steps, run timeout after 3001 ms. (steps per millisecond=664 ) properties seen :0 out of 1
Probabilistic random walk after 1995451 steps, saw 269599 distinct states, run finished after 3006 ms. (steps per millisecond=663 ) properties seen :0
[2025-06-04 02:49:18] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
[2025-06-04 02:49:18] [INFO ] Invariant cache hit.
[2025-06-04 02:49:18] [INFO ] State equation strengthened by 3 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/37 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 16/53 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/195 variables, 53/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 18/213 variables, 18/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 83 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 71/71 constraints, ReadFeed: 3/3 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/37 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 16/53 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:18] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 142/195 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:18] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 18/213 variables, 18/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/213 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/213 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 85 constraints, problems are : Problem set: 0 solved, 1 unsolved in 352 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 71/71 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 562ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 34 out of 71 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 145/145 transitions.
Applied a total of 0 rules in 17 ms. Remains 71 /71 variables (removed 0) and now considering 145/145 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 71/71 places, 145/145 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 145/145 transitions.
Applied a total of 0 rules in 8 ms. Remains 71 /71 variables (removed 0) and now considering 145/145 (removed 0) transitions.
[2025-06-04 02:49:18] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
[2025-06-04 02:49:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:49:18] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-04 02:49:18] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
[2025-06-04 02:49:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:49:18] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-04 02:49:18] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:49:18] [INFO ] Redundant transitions in 6 ms returned []
Running 141 sub problems to find dead transitions.
[2025-06-04 02:49:18] [INFO ] Flow matrix only has 142 transitions (discarded 3 similar events)
[2025-06-04 02:49:18] [INFO ] Invariant cache hit.
[2025-06-04 02:49:18] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 2 (OVERLAPS) 3/71 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 4 (OVERLAPS) 142/213 variables, 71/80 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 141 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 83 constraints, problems are : Problem set: 0 solved, 141 unsolved in 6678 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 71/71 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 141/141 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 141 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 2 (OVERLAPS) 3/71 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 4 (OVERLAPS) 142/213 variables, 71/80 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 141 unsolved
SDD proceeding with computation,13 properties remain. new max is 65536
SDD size :4.37337e+06 after 6.42383e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 141/224 constraints. Problems are: Problem set: 0 solved, 141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:29] [INFO ] Deduced a trap composed of 22 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:29] [INFO ] Deduced a trap composed of 22 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:29] [INFO ] Deduced a trap composed of 24 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:29] [INFO ] Deduced a trap composed of 18 places in 82 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:49:31] [INFO ] Deduced a trap composed of 24 places in 65 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 141 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 141 unsolved
Invariant property HealthRecord-PT-14-ReachabilityFireability-2025-15 does not hold.
Invariant property HealthRecord-PT-14-ReachabilityFireability-2025-10 does not hold.
At refinement iteration 10 (OVERLAPS) 0/213 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 141 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 229 constraints, problems are : Problem set: 0 solved, 141 unsolved in 16759 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 71/71 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 141/141 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23515ms problems are : Problem set: 0 solved, 141 unsolved
Search for dead transitions found 0 dead transitions in 23516ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23770 ms. Remains : 71/71 places, 145/145 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 142
Applied a total of 3 rules in 10 ms. Remains 71 /71 variables (removed 0) and now considering 142/145 (removed 3) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 142 rows 71 cols
[2025-06-04 02:49:42] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-04 02:49:42] [INFO ] After 46ms 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
[2025-06-04 02:49:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-04 02:49:42] [INFO ] [Nat]Absence check using 2 positive and 7 generalized place invariants in 3 ms returned sat
[2025-06-04 02:49:42] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-04 02:49:42] [INFO ] After 87ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-04 02:49:42] [INFO ] After 169ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-04 02:49:42] [INFO ] Flatten gal took : 34 ms
[2025-06-04 02:49:42] [INFO ] Flatten gal took : 29 ms
[2025-06-04 02:49:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11689520433016346835.gal : 9 ms
[2025-06-04 02:49:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16677020944759465016.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/ReachabilityCardinality11689520433016346835.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16677020944759465016.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
Loading property file /tmp/ReachabilityCardinality16677020944759465016.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 25
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :25 after 55
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :55 after 157
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :157 after 2113
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2113 after 2977
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2977 after 5761
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5761 after 8449
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :8449 after 34033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :34033 after 129362
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :129362 after 227378
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :227378 after 464990
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :464990 after 766002
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :766002 after 2.29414e+06
Detected timeout of ITS tools.
[2025-06-04 02:49:57] [INFO ] Flatten gal took : 18 ms
[2025-06-04 02:49:57] [INFO ] Applying decomposition
[2025-06-04 02:49:57] [INFO ] Flatten gal took : 17 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/graph4815109160954193632.txt' '-o' '/tmp/graph4815109160954193632.bin' '-w' '/tmp/graph4815109160954193632.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4815109160954193632.bin' '-l' '-1' '-v' '-w' '/tmp/graph4815109160954193632.weights' '-q' '0' '-e' '0.001'
[2025-06-04 02:49:58] [INFO ] Decomposing Gal with order
[2025-06-04 02:49:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 02:49:58] [INFO ] Removed a total of 246 redundant transitions.
[2025-06-04 02:49:58] [INFO ] Flatten gal took : 138 ms
[2025-06-04 02:49:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 36 labels/synchronizations in 27 ms.
[2025-06-04 02:49:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12685692975743873390.gal : 8 ms
[2025-06-04 02:49:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5943199529136131879.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/ReachabilityCardinality12685692975743873390.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5943199529136131879.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/ReachabilityCardinality5943199529136131879.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 13
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :13 after 217
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :217 after 1225
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1225 after 2269
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2269 after 8269
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8269 after 25993
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :25993 after 116869
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,2.71386e+06,0.544786,11492,365,288,9066,4092,411,28390,146,25461,0
Total reachable state count : 2713857

Verifying 1 reachability properties.
Invariant property HealthRecord-PT-14-ReachabilityFireability-2025-11 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
HealthRecord-PT-14-ReachabilityFireability-2025-11,0,0.553687,11748,1,0,9066,4092,495,28390,159,25461,1443
FORMULA HealthRecord-PT-14-ReachabilityFireability-2025-11 TRUE TECHNIQUES OVER_APPROXIMATION
Over-approximation ignoring read arcs solved -1 properties in 16467 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 105448 ms.

BK_STOP 1749005399170

--------------------
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="HealthRecord-PT-14"
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 HealthRecord-PT-14, 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 r100-smll-174867008200647"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-14.tgz
mv HealthRecord-PT-14 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 ;