fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r142-tall-174876812800559
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Peterson-COL-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 119682.00 0.00 0.00 TFTTTFTTFTTTTTFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812800559.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 Peterson-COL-3, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812800559
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 114K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 43K 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 Peterson-COL-3-ReachabilityFireability-2025-00
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-01
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-02
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-03
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-04
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-05
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-06
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-07
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-08
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-09
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-10
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-11
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-12
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-13
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-14
FORMULA_NAME Peterson-COL-3-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748923189783

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202505121319
[2025-06-03 03:59:50] [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]
[2025-06-03 03:59:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 03:59:51] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-03 03:59:51] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 03:59:51] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 516 ms
[2025-06-03 03:59:51] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 256 PT places and 396.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 25 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
FORMULA Peterson-COL-3-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-03 03:59:51] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 4 ms.
[2025-06-03 03:59:51] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 139 steps (0 resets) in 8 ms. (15 steps per ms) remains 0/1 properties
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 24 ms
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 2 ms
[2025-06-03 03:59:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3049054918586782641.gal : 18 ms
[2025-06-03 03:59:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17835578440292645402.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3049054918586782641.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17835578440292645402.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

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/ReachabilityCardinality17835578440292645402.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
ITS tools runner thread asked to quit. Dying gracefully.
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,5,0.012018,3852,2,14,5,50,6,0,53,24,0
Total reachable state count : 5

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 2 ms
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 7 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 4 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-03 03:59:51] [INFO ] Flatten gal took : 2 ms
[2025-06-03 03:59:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13412916094055212706.gal : 1 ms
[2025-06-03 03:59:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10206101721782219134.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/ReachabilityCardinality13412916094055212706.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10206101721782219134.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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/ReachabilityCardinality10206101721782219134.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
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,5,0.00263,3988,2,14,5,50,6,0,53,24,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
Domain [Process(4), Tour(3), Process(4)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 3)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-03 03:59:51] [INFO ] Unfolded HLPN to a Petri net with 256 places and 356 transitions 1112 arcs in 28 ms.
[2025-06-03 03:59:51] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 24 transitions.
FORMULA Peterson-COL-3-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-3-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-03 03:59:52] [INFO ] Flatten gal took : 94 ms
[2025-06-03 03:59:52] [INFO ] Flatten gal took : 213 ms
[2025-06-03 03:59:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5336439737825966645.gal : 38 ms
[2025-06-03 03:59:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14351229954908812752.prop : 76 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/ReachabilityCardinality5336439737825966645.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14351229954908812752.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/ReachabilityCardinality14351229954908812752.prop.
RANDOM walk for 40000 steps (8 resets) in 3790 ms. (10 steps per ms) remains 7/12 properties
FORMULA Peterson-COL-3-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-COL-3-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-COL-3-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-COL-3-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-COL-3-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 701 ms. (56 steps per ms) remains 6/7 properties
FORMULA Peterson-COL-3-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-COL-3-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :5 after 19
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :19 after 30
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :30 after 56
BEST_FIRST walk for 40004 steps (8 resets) in 1966 ms. (20 steps per ms) remains 6/6 properties
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :56 after 390
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :390 after 824
BEST_FIRST walk for 40004 steps (8 resets) in 1369 ms. (29 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 809 ms. (49 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 909 ms. (43 steps per ms) remains 6/6 properties
[2025-06-03 03:59:54] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
// Phase 1: matrix 308 rows 244 cols
[2025-06-03 03:59:54] [INFO ] Computed 15 invariants in 14 ms
[2025-06-03 03:59:54] [INFO ] State equation strengthened by 57 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 308/552 variables, 244/259 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Reachability property Peterson-COL-3-ReachabilityFireability-2025-03 is true.
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :824 after 4758
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 57/316 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 316 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2895 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :4758 after 19683
[2025-06-03 03:59:58] [INFO ] Deduced a trap composed of 12 places in 121 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:58] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:58] [INFO ] Deduced a trap composed of 13 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:58] [INFO ] Deduced a trap composed of 13 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:58] [INFO ] Deduced a trap composed of 9 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 9 places in 127 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 16 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 38 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 27 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 27 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 27 places in 84 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 45 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 35 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 35 places in 81 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:59:59] [INFO ] Deduced a trap composed of 53 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 38 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 34 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 31 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 53 places in 83 ms of which 8 ms to minimize.
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :19683 after 32259
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:00] [INFO ] Deduced a trap composed of 49 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 56 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 49 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 48 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 56 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 38 places in 102 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 76 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:01] [INFO ] Deduced a trap composed of 30 places in 113 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 69 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 52 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 64 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 30 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:02] [INFO ] Deduced a trap composed of 50 places in 102 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/552 variables, and 49 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5006 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/244 constraints, ReadFeed: 0/57 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8011ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 244 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 14 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 244/244 places, 332/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 549 ms. (72 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 567 ms. (70 steps per ms) remains 6/6 properties
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :32259 after 53071
BEST_FIRST walk for 40004 steps (8 resets) in 1771 ms. (22 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1146 ms. (34 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 908 ms. (44 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 920 ms. (43 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 535490 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :1 out of 6
Probabilistic random walk after 535490 steps, saw 108011 distinct states, run finished after 3006 ms. (steps per millisecond=178 ) properties seen :1
FORMULA Peterson-COL-3-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-06-03 04:00:07] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 04:00:07] [INFO ] Invariant cache hit.
[2025-06-03 04:00:07] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 308/552 variables, 244/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 57/316 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:08] [INFO ] Deduced a trap composed of 13 places in 116 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:08] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:09] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:09] [INFO ] Deduced a trap composed of 9 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:09] [INFO ] Deduced a trap composed of 9 places in 91 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/552 variables, 5/321 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/552 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/552 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 321 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2986 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 13 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property Peterson-COL-3-ReachabilityFireability-2025-08 does not hold.
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 34 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 34 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:11] [INFO ] Deduced a trap composed of 35 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property Peterson-COL-3-ReachabilityFireability-2025-07 is true.
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 26 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 29 places in 83 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 26 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 26 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 56 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 56 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 56 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 69 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:12] [INFO ] Deduced a trap composed of 53 places in 77 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:13] [INFO ] Deduced a trap composed of 61 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:13] [INFO ] Deduced a trap composed of 52 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:13] [INFO ] Deduced a trap composed of 52 places in 61 ms of which 6 ms to minimize.
Invariant property Peterson-COL-3-ReachabilityFireability-2025-01 does not hold.
At refinement iteration 3 (INCLUDED_ONLY) 0/244 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:14] [INFO ] Deduced a trap composed of 30 places in 78 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:14] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:14] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:14] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:14] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 38 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 49 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 76 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 48 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 30 places in 89 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 49 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 64 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:15] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 50 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 81 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 37 places in 87 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 53 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:16] [INFO ] Deduced a trap composed of 84 places in 70 ms of which 7 ms to minimize.
Problem Peterson-COL-3-ReachabilityFireability-2025-10 is UNSAT
FORMULA Peterson-COL-3-ReachabilityFireability-2025-10 TRUE TECHNIQUES SMT_REFINEMENT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:17] [INFO ] Deduced a trap composed of 30 places in 88 ms of which 13 ms to minimize.
Problem Peterson-COL-3-ReachabilityFireability-2025-10 is UNSAT
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :53071 after 92578
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 20/60 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:18] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:18] [INFO ] Deduced a trap composed of 49 places in 77 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 2/62 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:19] [INFO ] Deduced a trap composed of 41 places in 90 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 1/63 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/63 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 308/552 variables, 244/307 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 57/364 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/552 variables, 0/364 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/552 variables, 0/364 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 552/552 variables, and 364 constraints, problems are : Problem set: 1 solved, 4 unsolved in 12504 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 48/48 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15511ms problems are : Problem set: 1 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 589 ms.
Support contains 244 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 12 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 244/244 places, 332/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 330 ms. (120 steps per ms) remains 4/4 properties
Reachability property Peterson-COL-3-ReachabilityFireability-2025-15 is true.
FORMULA Peterson-COL-3-ReachabilityFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
BEST_FIRST walk for 40004 steps (8 resets) in 1809 ms. (22 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 832 ms. (48 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 901 ms. (44 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 578425 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 4
Probabilistic random walk after 578425 steps, saw 116593 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
[2025-06-03 04:00:28] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 04:00:28] [INFO ] Invariant cache hit.
[2025-06-03 04:00:28] [INFO ] State equation strengthened by 57 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) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 308/552 variables, 244/259 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 57/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 316 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1198 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:29] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:29] [INFO ] Deduced a trap composed of 20 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Reachability property Peterson-COL-3-ReachabilityFireability-2025-04 is true.
[2025-06-03 04:00:29] [INFO ] Deduced a trap composed of 13 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:29] [INFO ] Deduced a trap composed of 30 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 49 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 31 places in 68 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 31 places in 74 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 34 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 35 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:30] [INFO ] Deduced a trap composed of 34 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 27 places in 70 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 49 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 41 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:31] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/244 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 56 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 56 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 56 places in 57 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/244 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 48 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 49 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:32] [INFO ] Deduced a trap composed of 52 places in 55 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 308/552 variables, 244/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 57/342 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:33] [INFO ] Deduced a trap composed of 52 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:33] [INFO ] Deduced a trap composed of 53 places in 52 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 2/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/552 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 552/552 variables, and 344 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4527 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5740ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 178 ms.
Support contains 244 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 6 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 244/244 places, 332/332 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 6 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 04:00:34] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 04:00:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:34] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-03 04:00:34] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 04:00:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:00:34] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-03 04:00:34] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 04:00:34] [INFO ] Redundant transitions in 17 ms returned []
Running 328 sub problems to find dead transitions.
[2025-06-03 04:00:34] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 04:00:34] [INFO ] Invariant cache hit.
[2025-06-03 04:00:34] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :92578 after 108882
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:35] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:35] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:35] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 20 places in 78 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 29 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:36] [INFO ] Deduced a trap composed of 31 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 34 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 30 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 31 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 20/31 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:37] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 41 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 50 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 53 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 45 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 45 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 45 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 49 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 41 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 49 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 48 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 52 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:38] [INFO ] Deduced a trap composed of 49 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:39] [INFO ] Deduced a trap composed of 52 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:39] [INFO ] Deduced a trap composed of 56 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:39] [INFO ] Deduced a trap composed of 56 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:39] [INFO ] Deduced a trap composed of 56 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:39] [INFO ] Deduced a trap composed of 37 places in 71 ms of which 8 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:41] [INFO ] Deduced a trap composed of 49 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 61 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 30 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 53 places in 66 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 26 places in 74 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 41 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 64 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 45 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:42] [INFO ] Deduced a trap composed of 26 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:43] [INFO ] Deduced a trap composed of 41 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:43] [INFO ] Deduced a trap composed of 26 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:43] [INFO ] Deduced a trap composed of 44 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:43] [INFO ] Deduced a trap composed of 60 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:43] [INFO ] Deduced a trap composed of 61 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 13 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 34 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 57 places in 56 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:44] [INFO ] Deduced a trap composed of 80 places in 67 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:45] [INFO ] Deduced a trap composed of 81 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:46] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:46] [INFO ] Deduced a trap composed of 68 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:46] [INFO ] Deduced a trap composed of 56 places in 60 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:46] [INFO ] Deduced a trap composed of 49 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:46] [INFO ] Deduced a trap composed of 30 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:47] [INFO ] Deduced a trap composed of 57 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:48] [INFO ] Deduced a trap composed of 80 places in 72 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:48] [INFO ] Deduced a trap composed of 84 places in 57 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:49] [INFO ] Deduced a trap composed of 42 places in 55 ms of which 4 ms to minimize.
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :108882 after 143904
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:50] [INFO ] Deduced a trap composed of 69 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:50] [INFO ] Deduced a trap composed of 37 places in 78 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:54] [INFO ] Deduced a trap composed of 49 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:55] [INFO ] Deduced a trap composed of 49 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:00:55] [INFO ] Deduced a trap composed of 57 places in 60 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 3/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 9 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 244/552 variables, and 90 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/244 constraints, ReadFeed: 0/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 75/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Reachability property Peterson-COL-3-ReachabilityFireability-2025-00 is true.
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :143904 after 225929
At refinement iteration 6 (OVERLAPS) 308/552 variables, 244/334 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 57/391 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 328/719 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 552/552 variables, and 719 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60312 ms. Remains : 244/244 places, 332/332 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 244 transition count 308
Applied a total of 24 rules in 16 ms. Remains 244 /244 variables (removed 0) and now considering 308/332 (removed 24) transitions.
Running SMT prover for 3 properties.
[2025-06-03 04:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 04:01:34] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-03 04:01:34] [INFO ] [Real]Absence check using 11 positive and 4 generalized place invariants in 5 ms returned sat
[2025-06-03 04:01:34] [INFO ] After 107ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 04:01:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 9 ms returned sat
[2025-06-03 04:01:34] [INFO ] [Nat]Absence check using 11 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 04:01:34] [INFO ] After 174ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-03 04:01:34] [INFO ] After 334ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-03 04:01:35] [INFO ] After 615ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2025-06-03 04:01:35] [INFO ] Flatten gal took : 17 ms
[2025-06-03 04:01:35] [INFO ] Flatten gal took : 27 ms
[2025-06-03 04:01:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11893614736765027604.gal : 4 ms
[2025-06-03 04:01:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12523367115695522886.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11893614736765027604.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12523367115695522886.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/ReachabilityCardinality12523367115695522886.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :8 after 13
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :13 after 19
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :19 after 524
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :524 after 636
Reachability property Peterson-COL-3-ReachabilityFireability-2025-12 is true.
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :636 after 4650
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :4650 after 5158
Reachability property Peterson-COL-3-ReachabilityFireability-2025-06 is true.
Reachability property Peterson-COL-3-ReachabilityFireability-2025-11 is true.
Invariant property Peterson-COL-3-ReachabilityFireability-2025-05 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 257 fixpoint passes
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,43154,2.84004,17928,2,969,16,70239,6,0,1287,26946,0
Total reachable state count : 43154

Verifying 3 reachability properties.
Invariant property Peterson-COL-3-ReachabilityFireability-2025-05 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Peterson-COL-3-ReachabilityFireability-2025-05,14,3.10688,18096,2,372,16,70239,7,0,2386,26946,0
Reachability property Peterson-COL-3-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
Peterson-COL-3-ReachabilityFireability-2025-11,9,3.33377,18608,2,280,16,70239,8,0,2723,26946,0
Reachability property Peterson-COL-3-ReachabilityFireability-2025-12 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
Peterson-COL-3-ReachabilityFireability-2025-12,1,3.75017,18608,2,245,16,70239,9,0,2773,26946,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 4581 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 04:01:38] [INFO ] Flatten gal took : 21 ms
[2025-06-03 04:01:38] [INFO ] Applying decomposition
[2025-06-03 04:01:39] [INFO ] Flatten gal took : 24 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/graph11739933393135202833.txt' '-o' '/tmp/graph11739933393135202833.bin' '-w' '/tmp/graph11739933393135202833.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11739933393135202833.bin' '-l' '-1' '-v' '-w' '/tmp/graph11739933393135202833.weights' '-q' '0' '-e' '0.001'
[2025-06-03 04:01:39] [INFO ] Decomposing Gal with order
[2025-06-03 04:01:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 04:01:39] [INFO ] Removed a total of 214 redundant transitions.
[2025-06-03 04:01:39] [INFO ] Flatten gal took : 54 ms
[2025-06-03 04:01:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 9 labels/synchronizations in 13 ms.
[2025-06-03 04:01:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16631778050704307472.gal : 17 ms
[2025-06-03 04:01:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4211709705480125690.prop : 7 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/ReachabilityCardinality16631778050704307472.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4211709705480125690.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/ReachabilityCardinality4211709705480125690.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :1 after 6
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :6 after 1032
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1032 after 1752
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1752 after 15673
Reachability property Peterson-COL-3-ReachabilityFireability-2025-12 is true.
FORMULA Peterson-COL-3-ReachabilityFireability-2025-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Reachability property Peterson-COL-3-ReachabilityFireability-2025-11 is true.
FORMULA Peterson-COL-3-ReachabilityFireability-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :15673 after 182533
Invariant property Peterson-COL-3-ReachabilityFireability-2025-05 does not hold.
FORMULA Peterson-COL-3-ReachabilityFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
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,997610,7.5831,163184,2579,190,207779,3164,767,1.28615e+06,99,21437,0
Total reachable state count : 997610

Verifying 3 reachability properties.
Invariant property Peterson-COL-3-ReachabilityFireability-2025-05 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Peterson-COL-3-ReachabilityFireability-2025-05,67,9.74243,163184,411,54,207779,3164,3507,1.28615e+06,191,21437,0
Reachability property Peterson-COL-3-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
Peterson-COL-3-ReachabilityFireability-2025-11,1,9.95078,163184,86,21,207779,3164,4453,1.28615e+06,214,21437,0
Reachability property Peterson-COL-3-ReachabilityFireability-2025-12 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
Peterson-COL-3-ReachabilityFireability-2025-12,11050,9.97657,163184,1314,113,207779,3164,4465,1.28615e+06,214,21437,0
All properties solved without resorting to model-checking.
Total runtime 118440 ms.

BK_STOP 1748923309465

--------------------
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="Peterson-COL-3"
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 Peterson-COL-3, 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 r142-tall-174876812800559"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-3.tgz
mv Peterson-COL-3 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 ;