Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740600447.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is ErlangenMainframeV0-PT-0808, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740600447
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 05:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Mar 7 05:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 30K Mar 7 05:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 05:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 192K Mar 7 05:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 7 05:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 20M Mar 3 18:30 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 ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779866844179

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV0-PT-0808
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-27 07:27:26] [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]
[2026-05-27 07:27:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 07:27:28] [INFO ] Load time of PNML (sax parser for PT used): 1554 ms
[2026-05-27 07:27:28] [INFO ] Transformed 263 places.
[2026-05-27 07:27:28] [INFO ] Transformed 19957 transitions.
[2026-05-27 07:27:28] [INFO ] Found NUPN structural information;
[2026-05-27 07:27:28] [INFO ] Parsed PT model containing 263 places and 19957 transitions and 381303 arcs in 1879 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 12447 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 90 ms. (43 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 77 ms. (51 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 218 ms. (18 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 209 ms. (19 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 308 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 68 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 392 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 220 ms. (18 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 438 ms. (9 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 199 ms. (20 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 149 ms. (26 steps per ms) remains 16/16 properties
[2026-05-27 07:27:35] [INFO ] Flatten gal took : 4739 ms
[2026-05-27 07:27:38] [INFO ] Flatten gal took : 2315 ms
[2026-05-27 07:27:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5082468470772439797.gal : 580 ms
[2026-05-27 07:27:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10946944315748766323.prop : 18 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5082468470772439797.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10946944315748766323.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Interrupted probabilistic random walk after 125031 steps, run timeout after 12001 ms. (steps per millisecond=10 ) properties seen :0 out of 16
Probabilistic random walk after 125031 steps, saw 78178 distinct states, run finished after 12008 ms. (steps per millisecond=10 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10080814715202740899.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18302668000486027977.kers'
[2026-05-27 07:27:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10080814715202740899.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18302668000486027977.kers]
Culled 0 columns in 110 ms.
// Phase 1: matrix 19957 rows 263 cols 381303 entries
Finished phase 1 with 238 SingleSign rule and 3 generalized
[2026-05-27 07:27:45] [INFO ] Computed 22 invariants in 425 ms
Computed 22 P flows in 571 ms.
Exported basis to /tmp/petrispot-output-18302668000486027977.kers
Total runtime 627 ms.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-04 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-09 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 8/60 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/60 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-03 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-12 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-13 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 145/197 variables, 10/70 constraints. Problems are: Problem set: 5 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/197 variables, 145/215 constraints. Problems are: Problem set: 5 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/197 variables, 0/215 constraints. Problems are: Problem set: 5 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 66/263 variables, 4/219 constraints. Problems are: Problem set: 5 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 66/285 constraints. Problems are: Problem set: 5 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/285 constraints. Problems are: Problem set: 5 solved, 11 unsolved
SMT process timed out in 6599ms, After SMT, problems are : Problem set: 5 solved, 11 unsolved
Fused 11 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 52 out of 263 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 263/263 places, 19957/19957 transitions.
Graph (trivial) has 178 edges and 263 vertex of which 4 / 263 are part of one of the 2 SCC in 18 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 85 rules applied. Total rules applied 86 place count 261 transition count 19868
Reduce places removed 85 places and 0 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 171 place count 176 transition count 19868
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 171 place count 176 transition count 19864
Deduced a syphon composed of 4 places in 173 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 179 place count 172 transition count 19864
Discarding 46 places :
Symmetric choice reduction at 2 with 46 rule applications. Total rules 225 place count 126 transition count 19818
Iterating global reduction 2 with 46 rules applied. Total rules applied 271 place count 126 transition count 19818
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 271 place count 126 transition count 19813
Deduced a syphon composed of 5 places in 14 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 281 place count 121 transition count 19813
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 5 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 329 place count 97 transition count 19789
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 331 place count 95 transition count 19772
Iterating global reduction 2 with 2 rules applied. Total rules applied 333 place count 95 transition count 19772
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 335 place count 95 transition count 19770
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -20
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 339 place count 93 transition count 19790
Loading property file /tmp/ReachabilityCardinality10946944315748766323.prop.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 340 place count 93 transition count 19789
Free-agglomeration rule applied 5 times.
Iterating global reduction 3 with 5 rules applied. Total rules applied 345 place count 93 transition count 19784
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 352 place count 88 transition count 19782
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :13 after 71
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :71 after 1116
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :1116 after 7.0997e+06
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :7.0997e+06 after 1.06979e+07
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :1.06979e+07 after 1.07165e+07
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 4 with 13 rules applied. Total rules applied 365 place count 88 transition count 19769
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :1.07165e+07 after 1.07173e+07
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :1.07173e+07 after 1.07259e+07
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :1.07259e+07 after 1.07526e+07
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 367 place count 88 transition count 19769
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :1.07526e+07 after 1.12875e+07
Partial Post-agglomeration rule applied 8 times.
Drop transitions (Partial Post agglomeration) removed 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 375 place count 88 transition count 19769
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 383 place count 88 transition count 19761
SDD proceeding with computation,16 properties remain. new max is 16384
SDD size :1.12875e+07 after 2.01002e+07
Applied a total of 383 rules in 103968 ms. Remains 88 /263 variables (removed 175) and now considering 19761/19957 (removed 196) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103991 ms. Remains : 88/263 places, 19761/19957 transitions.
RANDOM walk for 40000 steps (8 resets) in 12530 ms. (3 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2214 ms. (18 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 988 ms. (40 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1162 ms. (34 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2721 ms. (14 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2435 ms. (16 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2203 ms. (18 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2517 ms. (15 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1295 ms. (30 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2387 ms. (16 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2632 ms. (15 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1493 ms. (26 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 531925 steps, run timeout after 27001 ms. (steps per millisecond=19 ) properties seen :0 out of 11
Probabilistic random walk after 531925 steps, saw 77878 distinct states, run finished after 27002 ms. (steps per millisecond=19 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1526737979056013665.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12464649994403960890.kers'
[2026-05-27 07:30:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1526737979056013665.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12464649994403960890.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 67 ms.
// Phase 1: matrix 19761 rows 87 cols 380802 entries
Finished phase 1 with 63 SingleSign rule and 3 generalized
[2026-05-27 07:30:13] [INFO ] Computed 22 invariants in 280 ms
Computed 22 P flows in 282 ms.
Exported basis to /tmp/petrispot-output-12464649994403960890.kers
Total runtime 336 ms.
[2026-05-27 07:30:13] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.01002e+07 after 2.61259e+07
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
No progress, stopping.
After SMT solving in domain Real declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 11 unsolved in 45030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 11/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-01 is UNSAT
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,16 properties remain. new max is 65536
SDD size :2.61259e+07 after 7.72241e+07
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 1 solved, 10 unsolved in 45040 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 11/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90872ms problems are : Problem set: 1 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 52 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 14464 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14464 ms. Remains : 88/88 places, 19761/19761 transitions.
RANDOM walk for 40000 steps (8 resets) in 11110 ms. (3 steps per ms) remains 9/10 properties
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2414 ms. (16 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1369 ms. (29 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2520 ms. (15 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 2794 ms. (14 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2557 ms. (15 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 2591 ms. (15 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1368 ms. (29 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2520 ms. (15 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1308 ms. (30 steps per ms) remains 9/9 properties
[2026-05-27 07:32:06] [INFO ] Invariant cache hit.
[2026-05-27 07:32:06] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 9 unsolved in 35042 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 9 unsolved in 73726 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108956ms problems are : Problem set: 0 solved, 9 unsolved
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-08 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 14123 ms.
Support contains 52 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 13618 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13618 ms. Remains : 88/88 places, 19761/19761 transitions.
RANDOM walk for 40000 steps (8 resets) in 11511 ms. (3 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2122 ms. (18 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1260 ms. (31 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2241 ms. (17 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2373 ms. (16 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1214 ms. (32 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2324 ms. (17 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1270 ms. (31 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 354324 steps, run timeout after 18001 ms. (steps per millisecond=19 ) properties seen :0 out of 7
Probabilistic random walk after 354324 steps, saw 57006 distinct states, run finished after 18001 ms. (steps per millisecond=19 ) properties seen :0
[2026-05-27 07:34:48] [INFO ] Invariant cache hit.
[2026-05-27 07:34:48] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 7 unsolved in 35202 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 7 unsolved in 58858 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94295ms problems are : Problem set: 0 solved, 7 unsolved
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-05 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 10514 ms.
Support contains 52 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 13623 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13623 ms. Remains : 88/88 places, 19761/19761 transitions.
RANDOM walk for 40000 steps (8 resets) in 11412 ms. (3 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2208 ms. (18 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1709 ms. (23 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2986 ms. (13 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1527 ms. (26 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2732 ms. (14 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1258 ms. (31 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 287512 steps, run timeout after 18001 ms. (steps per millisecond=15 ) properties seen :0 out of 6
Probabilistic random walk after 287512 steps, saw 48734 distinct states, run finished after 18001 ms. (steps per millisecond=15 ) properties seen :0
[2026-05-27 07:37:11] [INFO ] Invariant cache hit.
[2026-05-27 07:37:11] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 6 unsolved in 40356 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60873 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 101427ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 9525 ms.
Support contains 52 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 14445 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14445 ms. Remains : 88/88 places, 19761/19761 transitions.
RANDOM walk for 40000 steps (8 resets) in 11898 ms. (3 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2460 ms. (16 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1282 ms. (31 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2666 ms. (14 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1622 ms. (24 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 281109 steps, run timeout after 15001 ms. (steps per millisecond=18 ) properties seen :0 out of 4
Probabilistic random walk after 281109 steps, saw 48009 distinct states, run finished after 15001 ms. (steps per millisecond=18 ) properties seen :0
[2026-05-27 07:39:37] [INFO ] Invariant cache hit.
[2026-05-27 07:39:37] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 4 unsolved in 20350 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 7/88 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19849 variables, 88/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19849 variables, 35/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/19849 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19849/19849 variables, and 145 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40980 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61479ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 6710 ms.
Support contains 52 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 14355 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14359 ms. Remains : 88/88 places, 19761/19761 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 14154 ms. Remains 88 /88 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
[2026-05-27 07:41:13] [INFO ] Invariant cache hit.
[2026-05-27 07:41:13] [INFO ] Implicit Places using invariants in 115 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 160 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 87/88 places, 19761/19761 transitions.
Applied a total of 0 rules in 14098 ms. Remains 87 /87 variables (removed 0) and now considering 19761/19761 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 28418 ms. Remains : 87/88 places, 19761/19761 transitions.
RANDOM walk for 40000 steps (8 resets) in 12088 ms. (3 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2519 ms. (15 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1342 ms. (29 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2749 ms. (14 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1400 ms. (28 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 285275 steps, run timeout after 15001 ms. (steps per millisecond=19 ) properties seen :0 out of 4
Probabilistic random walk after 285275 steps, saw 48509 distinct states, run finished after 15001 ms. (steps per millisecond=19 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10874442635660163634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1349681982599075603.kers'
[2026-05-27 07:41:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10874442635660163634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1349681982599075603.kers]
Culled 0 columns in 68 ms.
// Phase 1: matrix 19761 rows 87 cols 380802 entries
Finished phase 1 with 63 SingleSign rule and 3 generalized
[2026-05-27 07:41:49] [INFO ] Computed 21 invariants in 376 ms
Computed 21 P flows in 377 ms.
Exported basis to /tmp/petrispot-output-1349681982599075603.kers
Total runtime 475 ms.
[2026-05-27 07:41:49] [INFO ] State equation strengthened by 19 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 6/87 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19848 variables, 87/108 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19848 variables, 19/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19848 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/19848 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19848/19848 variables, and 127 constraints, problems are : Problem set: 0 solved, 4 unsolved in 19458 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 87/87 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 29/81 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 6/87 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 19761/19848 variables, 87/108 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19848 variables, 19/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19848 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/19848 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19848/19848 variables, and 127 constraints, problems are : Problem set: 0 solved, 4 unsolved in 30231 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 87/87 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50498ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-06 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 27 steps, including 0 resets, run visited all 1 properties in 9 ms. (steps per millisecond=3 )
FORMULA ErlangenMainframeV0-PT-0808-ReachabilityFireability-2024-15 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 2627 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 915943 ms.

BK_STOP 1779867762328

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="ErlangenMainframeV0-PT-0808"
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 2-5973"
echo " Executing tool itstools"
echo " Input is ErlangenMainframeV0-PT-0808, 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 r114-smll-177955740600447"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV0-PT-0808.tgz
mv ErlangenMainframeV0-PT-0808 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 ;