Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r015-oct2-177944372400044.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-05a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1000K
-rw-r--r-- 1 mcc users 7.4K Mar 5 14:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 5 14:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 5 14:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 5 14:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 5 14:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 5 14:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 516K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ASLink-PT-05a-UpperBounds-00
FORMULA_NAME ASLink-PT-05a-UpperBounds-01
FORMULA_NAME ASLink-PT-05a-UpperBounds-02
FORMULA_NAME ASLink-PT-05a-UpperBounds-03
FORMULA_NAME ASLink-PT-05a-UpperBounds-04
FORMULA_NAME ASLink-PT-05a-UpperBounds-05
FORMULA_NAME ASLink-PT-05a-UpperBounds-06
FORMULA_NAME ASLink-PT-05a-UpperBounds-07
FORMULA_NAME ASLink-PT-05a-UpperBounds-08
FORMULA_NAME ASLink-PT-05a-UpperBounds-09
FORMULA_NAME ASLink-PT-05a-UpperBounds-10
FORMULA_NAME ASLink-PT-05a-UpperBounds-11
FORMULA_NAME ASLink-PT-05a-UpperBounds-12
FORMULA_NAME ASLink-PT-05a-UpperBounds-13
FORMULA_NAME ASLink-PT-05a-UpperBounds-14
FORMULA_NAME ASLink-PT-05a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685503376

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-05a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:05:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 05:05:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:05:05] [INFO ] Load time of PNML (sax parser for PT used): 208 ms
[2026-05-25 05:05:05] [INFO ] Transformed 1211 places.
[2026-05-25 05:05:05] [INFO ] Transformed 1827 transitions.
[2026-05-25 05:05:05] [INFO ] Found NUPN structural information;
[2026-05-25 05:05:05] [INFO ] Parsed PT model containing 1211 places and 1827 transitions and 6877 arcs in 334 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Ensure Unique test removed 19 transitions
Reduce redundant transitions removed 19 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 1808 rows 1211 cols
[2026-05-25 05:05:05] [INFO ] Computed 232 invariants in 95 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (60 resets) in 80 ms. (123 steps per ms)
FORMULA ASLink-PT-05a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (51 resets) in 173 ms. (344 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
[2026-05-25 05:05:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:06] [INFO ] [Real]Absence check using 56 positive place invariants in 39 ms returned sat
[2026-05-25 05:05:06] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 75 ms returned sat
[2026-05-25 05:05:07] [INFO ] [Real]Absence check using state equation in 791 ms returned sat
[2026-05-25 05:05:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:07] [INFO ] [Nat]Absence check using 56 positive place invariants in 34 ms returned sat
[2026-05-25 05:05:07] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 57 ms returned sat
[2026-05-25 05:05:08] [INFO ] [Nat]Absence check using state equation in 1138 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:09] [INFO ] Deduced a trap composed of 24 places in 267 ms of which 17 ms to minimize.
[2026-05-25 05:05:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 446 ms
[2026-05-25 05:05:09] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 134 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:12] [INFO ] [Real]Absence check using 56 positive place invariants in 26 ms returned sat
[2026-05-25 05:05:12] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 83 ms returned sat
[2026-05-25 05:05:13] [INFO ] [Real]Absence check using state equation in 795 ms returned sat
[2026-05-25 05:05:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:13] [INFO ] [Nat]Absence check using 56 positive place invariants in 56 ms returned sat
[2026-05-25 05:05:14] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 84 ms returned sat
[2026-05-25 05:05:15] [INFO ] [Nat]Absence check using state equation in 1117 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:15] [INFO ] Deduced a trap composed of 24 places in 129 ms of which 13 ms to minimize.
[2026-05-25 05:05:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 264 ms
[2026-05-25 05:05:15] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 111 ms.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:18] [INFO ] [Real]Absence check using 56 positive place invariants in 41 ms returned sat
[2026-05-25 05:05:18] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 51 ms returned sat
[2026-05-25 05:05:19] [INFO ] [Real]Absence check using state equation in 866 ms returned sat
[2026-05-25 05:05:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:20] [INFO ] [Nat]Absence check using 56 positive place invariants in 25 ms returned sat
[2026-05-25 05:05:20] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 64 ms returned sat
[2026-05-25 05:05:21] [INFO ] [Nat]Absence check using state equation in 786 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:21] [INFO ] Deduced a trap composed of 24 places in 264 ms of which 26 ms to minimize.
[2026-05-25 05:05:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 428 ms
[2026-05-25 05:05:21] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 94 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:25] [INFO ] [Real]Absence check using 56 positive place invariants in 24 ms returned sat
[2026-05-25 05:05:25] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 119 ms returned sat
[2026-05-25 05:05:26] [INFO ] [Real]Absence check using state equation in 672 ms returned sat
[2026-05-25 05:05:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:26] [INFO ] [Nat]Absence check using 56 positive place invariants in 30 ms returned sat
[2026-05-25 05:05:26] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 77 ms returned sat
[2026-05-25 05:05:27] [INFO ] [Nat]Absence check using state equation in 773 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:27] [INFO ] Deduced a trap composed of 24 places in 159 ms of which 14 ms to minimize.
[2026-05-25 05:05:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 293 ms
[2026-05-25 05:05:27] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 115 ms.
[2026-05-25 05:05:31] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:31] [INFO ] [Real]Absence check using 56 positive place invariants in 27 ms returned sat
[2026-05-25 05:05:31] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 138 ms returned sat
[2026-05-25 05:05:32] [INFO ] [Real]Absence check using state equation in 779 ms returned sat
[2026-05-25 05:05:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:32] [INFO ] [Nat]Absence check using 56 positive place invariants in 30 ms returned sat
[2026-05-25 05:05:32] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 70 ms returned sat
[2026-05-25 05:05:33] [INFO ] [Nat]Absence check using state equation in 875 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:34] [INFO ] Deduced a trap composed of 24 places in 500 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:34] [INFO ] Deduced a trap composed of 91 places in 540 ms of which 104 ms to minimize.
[2026-05-25 05:05:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1244 ms
[2026-05-25 05:05:35] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 118 ms.
[2026-05-25 05:05:35] [INFO ] Added : 5 causal constraints over 1 iterations in 806 ms. Result :sat
Minimization took 725 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:36] [INFO ] [Real]Absence check using 56 positive place invariants in 26 ms returned sat
[2026-05-25 05:05:36] [INFO ] [Real]Absence check using 56 positive and 176 generalized place invariants in 59 ms returned sat
[2026-05-25 05:05:37] [INFO ] [Real]Absence check using state equation in 746 ms returned sat
[2026-05-25 05:05:37] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 129 ms.
[2026-05-25 05:05:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:38] [INFO ] [Nat]Absence check using 56 positive place invariants in 24 ms returned sat
[2026-05-25 05:05:38] [INFO ] [Nat]Absence check using 56 positive and 176 generalized place invariants in 45 ms returned sat
[2026-05-25 05:05:39] [INFO ] [Nat]Absence check using state equation in 922 ms returned sat
[2026-05-25 05:05:39] [INFO ] Computed and/alt/rep : 734/2638/734 causal constraints (skipped 1073 transitions) in 130 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Support contains 6 out of 1211 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1211/1211 places, 1808/1808 transitions.
Ensure Unique test removed 20 places
Discarding 10 places :
Implicit places reduction removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 106 transitions
Trivial Post-agglo rules discarded 106 transitions
Performed 106 trivial Post agglomeration. Transition count delta: 106
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1181 transition count 1702
Reduce places removed 106 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 107 rules applied. Total rules applied 243 place count 1075 transition count 1701
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 244 place count 1074 transition count 1701
Performed 108 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 108 Pre rules applied. Total rules applied 244 place count 1074 transition count 1593
Deduced a syphon composed of 108 places in 3 ms
Ensure Unique test removed 41 places
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 3 with 257 rules applied. Total rules applied 501 place count 925 transition count 1593
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 502 place count 925 transition count 1592
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 503 place count 924 transition count 1592
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 511 place count 916 transition count 1551
Ensure Unique test removed 1 places
Iterating global reduction 5 with 9 rules applied. Total rules applied 520 place count 915 transition count 1551
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 5 with 6 rules applied. Total rules applied 526 place count 914 transition count 1546
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 529 place count 911 transition count 1546
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 530 place count 910 transition count 1538
Iterating global reduction 7 with 1 rules applied. Total rules applied 531 place count 910 transition count 1538
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 532 place count 909 transition count 1530
Iterating global reduction 7 with 1 rules applied. Total rules applied 533 place count 909 transition count 1530
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 534 place count 908 transition count 1522
Iterating global reduction 7 with 1 rules applied. Total rules applied 535 place count 908 transition count 1522
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 536 place count 907 transition count 1514
Iterating global reduction 7 with 1 rules applied. Total rules applied 537 place count 907 transition count 1514
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 538 place count 906 transition count 1506
Iterating global reduction 7 with 1 rules applied. Total rules applied 539 place count 906 transition count 1506
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 540 place count 905 transition count 1498
Iterating global reduction 7 with 1 rules applied. Total rules applied 541 place count 905 transition count 1498
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 542 place count 904 transition count 1490
Iterating global reduction 7 with 1 rules applied. Total rules applied 543 place count 904 transition count 1490
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 544 place count 903 transition count 1482
Iterating global reduction 7 with 1 rules applied. Total rules applied 545 place count 903 transition count 1482
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 546 place count 902 transition count 1474
Iterating global reduction 7 with 1 rules applied. Total rules applied 547 place count 902 transition count 1474
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 548 place count 901 transition count 1466
Iterating global reduction 7 with 1 rules applied. Total rules applied 549 place count 901 transition count 1466
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 550 place count 900 transition count 1458
Iterating global reduction 7 with 1 rules applied. Total rules applied 551 place count 900 transition count 1458
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 552 place count 899 transition count 1450
Iterating global reduction 7 with 1 rules applied. Total rules applied 553 place count 899 transition count 1450
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 554 place count 898 transition count 1442
Iterating global reduction 7 with 1 rules applied. Total rules applied 555 place count 898 transition count 1442
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 556 place count 897 transition count 1434
Iterating global reduction 7 with 1 rules applied. Total rules applied 557 place count 897 transition count 1434
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 558 place count 896 transition count 1426
Iterating global reduction 7 with 1 rules applied. Total rules applied 559 place count 896 transition count 1426
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 560 place count 895 transition count 1418
Iterating global reduction 7 with 1 rules applied. Total rules applied 561 place count 895 transition count 1418
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 2 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 7 with 70 rules applied. Total rules applied 631 place count 860 transition count 1383
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 7 with 4 rules applied. Total rules applied 635 place count 860 transition count 1379
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 639 place count 856 transition count 1379
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 8 with 6 rules applied. Total rules applied 645 place count 856 transition count 1379
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 646 place count 855 transition count 1378
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 8 with 10 rules applied. Total rules applied 656 place count 845 transition count 1378
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 20 Pre rules applied. Total rules applied 656 place count 845 transition count 1358
Deduced a syphon composed of 20 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 9 with 41 rules applied. Total rules applied 697 place count 824 transition count 1358
Discarding 6 places :
Implicit places reduction removed 6 places
Iterating post reduction 9 with 6 rules applied. Total rules applied 703 place count 818 transition count 1358
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 1 Pre rules applied. Total rules applied 703 place count 818 transition count 1357
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 705 place count 817 transition count 1357
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 10 with 12 rules applied. Total rules applied 717 place count 811 transition count 1351
Discarding 5 places :
Symmetric choice reduction at 10 with 5 rule applications. Total rules 722 place count 806 transition count 1346
Iterating global reduction 10 with 5 rules applied. Total rules applied 727 place count 806 transition count 1346
Free-agglomeration rule applied 5 times.
Iterating global reduction 10 with 5 rules applied. Total rules applied 732 place count 806 transition count 1341
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 737 place count 801 transition count 1341
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 11 with 5 rules applied. Total rules applied 742 place count 801 transition count 1341
Applied a total of 742 rules in 1479 ms. Remains 801 /1211 variables (removed 410) and now considering 1341/1808 (removed 467) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1492 ms. Remains : 801/1211 places, 1341/1808 transitions.
// Phase 1: matrix 1341 rows 801 cols
[2026-05-25 05:05:44] [INFO ] Computed 142 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (11956 resets) in 2835 ms. (352 steps per ms)
FORMULA ASLink-PT-05a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-05a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000001 steps (6947 resets) in 3794 ms. (790 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:05:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:05:51] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-25 05:05:51] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 27 ms returned sat
[2026-05-25 05:05:51] [INFO ] [Real]Absence check using state equation in 469 ms returned sat
[2026-05-25 05:05:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:05:52] [INFO ] [Nat]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-25 05:05:52] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 34 ms returned sat
[2026-05-25 05:05:52] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2026-05-25 05:05:52] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 86 ms.
[2026-05-25 05:05:56] [INFO ] Added : 115 causal constraints over 23 iterations in 3733 ms. Result :sat
Minimization took 1072 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:05:57] [INFO ] [Real]Absence check using 36 positive place invariants in 10 ms returned sat
[2026-05-25 05:05:57] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 21 ms returned sat
[2026-05-25 05:05:58] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:58] [INFO ] Deduced a trap composed of 100 places in 341 ms of which 57 ms to minimize.
[2026-05-25 05:05:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:05:58] [INFO ] [Nat]Absence check using 36 positive place invariants in 11 ms returned sat
[2026-05-25 05:05:58] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 21 ms returned sat
[2026-05-25 05:05:59] [INFO ] [Nat]Absence check using state equation in 388 ms returned sat
[2026-05-25 05:05:59] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 141 ms.
[2026-05-25 05:06:07] [INFO ] Added : 385 causal constraints over 77 iterations in 8087 ms. Result :sat
Minimization took 1053 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:08] [INFO ] [Real]Absence check using 36 positive place invariants in 9 ms returned sat
[2026-05-25 05:06:08] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 21 ms returned sat
[2026-05-25 05:06:09] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2026-05-25 05:06:09] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 63 ms.
[2026-05-25 05:06:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:09] [INFO ] [Nat]Absence check using 36 positive place invariants in 21 ms returned sat
[2026-05-25 05:06:09] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 47 ms returned sat
[2026-05-25 05:06:09] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2026-05-25 05:06:10] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 63 ms.
[2026-05-25 05:06:20] [INFO ] Added : 346 causal constraints over 70 iterations in 10353 ms. Result :sat
Minimization took 1009 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 801 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 801/801 places, 1341/1341 transitions.
Applied a total of 0 rules in 28 ms. Remains 801 /801 variables (removed 0) and now considering 1341/1341 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 801/801 places, 1341/1341 transitions.
[2026-05-25 05:06:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (11937 resets) in 2380 ms. (419 steps per ms)
BEST_FIRST walk for 3000001 steps (6961 resets) in 3384 ms. (886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:06:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:30] [INFO ] [Real]Absence check using 36 positive place invariants in 15 ms returned sat
[2026-05-25 05:06:30] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 23 ms returned sat
[2026-05-25 05:06:31] [INFO ] [Real]Absence check using state equation in 367 ms returned sat
[2026-05-25 05:06:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:31] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2026-05-25 05:06:31] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 32 ms returned sat
[2026-05-25 05:06:31] [INFO ] [Nat]Absence check using state equation in 342 ms returned sat
[2026-05-25 05:06:31] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 61 ms.
[2026-05-25 05:06:35] [INFO ] Added : 115 causal constraints over 23 iterations in 3263 ms. Result :sat
Minimization took 985 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:36] [INFO ] [Real]Absence check using 36 positive place invariants in 10 ms returned sat
[2026-05-25 05:06:36] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 22 ms returned sat
[2026-05-25 05:06:36] [INFO ] [Real]Absence check using state equation in 374 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:36] [INFO ] Deduced a trap composed of 100 places in 263 ms of which 57 ms to minimize.
[2026-05-25 05:06:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:37] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2026-05-25 05:06:37] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 20 ms returned sat
[2026-05-25 05:06:37] [INFO ] [Nat]Absence check using state equation in 429 ms returned sat
[2026-05-25 05:06:37] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 76 ms.
[2026-05-25 05:06:46] [INFO ] Added : 385 causal constraints over 77 iterations in 8664 ms. Result :sat
Minimization took 1052 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:47] [INFO ] [Real]Absence check using 36 positive place invariants in 13 ms returned sat
[2026-05-25 05:06:47] [INFO ] [Real]Absence check using 36 positive and 106 generalized place invariants in 52 ms returned sat
[2026-05-25 05:06:48] [INFO ] [Real]Absence check using state equation in 436 ms returned sat
[2026-05-25 05:06:48] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 106 ms.
[2026-05-25 05:06:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:48] [INFO ] [Nat]Absence check using 36 positive place invariants in 12 ms returned sat
[2026-05-25 05:06:48] [INFO ] [Nat]Absence check using 36 positive and 106 generalized place invariants in 30 ms returned sat
[2026-05-25 05:06:49] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2026-05-25 05:06:49] [INFO ] Computed and/alt/rep : 525/2013/525 causal constraints (skipped 787 transitions) in 68 ms.
[2026-05-25 05:06:59] [INFO ] Added : 346 causal constraints over 70 iterations in 10168 ms. Result :sat
Minimization took 988 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 801 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 801/801 places, 1341/1341 transitions.
Applied a total of 0 rules in 34 ms. Remains 801 /801 variables (removed 0) and now considering 1341/1341 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 801/801 places, 1341/1341 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 801/801 places, 1341/1341 transitions.
Applied a total of 0 rules in 24 ms. Remains 801 /801 variables (removed 0) and now considering 1341/1341 (removed 0) transitions.
[2026-05-25 05:07:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:04] [INFO ] Implicit Places using invariants in 839 ms returned [0, 18, 19, 30, 48, 66, 135, 139, 148, 149, 150, 168, 186, 223, 257, 261, 262, 273, 274, 275, 293, 311, 346, 382, 386, 387, 398, 399, 400, 418, 436, 505, 509, 510, 521, 522, 523, 541, 559, 628, 632, 633, 636, 647, 648, 649, 667, 669, 672, 690, 691, 692, 693, 705, 711, 717, 723, 729, 735, 741, 747, 753, 759, 765]
[2026-05-25 05:07:04] [INFO ] Actually due to overlaps returned [667, 649, 30, 48, 150, 168, 275, 293, 400, 418, 523, 541, 672, 149, 274, 399, 522, 648, 691, 148, 273, 398, 521, 647, 669, 690, 0, 261, 262, 386, 387, 509, 510, 632, 633, 18, 19, 66, 186, 311, 436, 559, 693, 735, 753, 765, 636, 692, 705, 711, 717, 723, 729, 741, 747, 759]
Discarding 56 places :
Implicit Place search using SMT only with invariants took 847 ms to find 56 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 745/801 places, 1341/1341 transitions.
Discarding 7 places :
Implicit places reduction removed 7 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 105 transitions
Trivial Post-agglo rules discarded 105 transitions
Performed 105 trivial Post agglomeration. Transition count delta: 105
Iterating post reduction 0 with 112 rules applied. Total rules applied 112 place count 738 transition count 1236
Reduce places removed 105 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 106 rules applied. Total rules applied 218 place count 633 transition count 1235
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 219 place count 632 transition count 1235
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 219 place count 632 transition count 1209
Deduced a syphon composed of 26 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 53 rules applied. Total rules applied 272 place count 605 transition count 1209
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 3 with 12 rules applied. Total rules applied 284 place count 601 transition count 1201
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 292 place count 593 transition count 1201
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 307 place count 578 transition count 1186
Iterating global reduction 5 with 15 rules applied. Total rules applied 322 place count 578 transition count 1186
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 325 place count 578 transition count 1183
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 325 place count 578 transition count 1182
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 327 place count 577 transition count 1182
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 330 place count 574 transition count 1179
Iterating global reduction 6 with 3 rules applied. Total rules applied 333 place count 574 transition count 1179
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 334 place count 573 transition count 1178
Iterating global reduction 6 with 1 rules applied. Total rules applied 335 place count 573 transition count 1178
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 336 place count 572 transition count 1177
Iterating global reduction 6 with 1 rules applied. Total rules applied 337 place count 572 transition count 1177
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 6 with 92 rules applied. Total rules applied 429 place count 526 transition count 1131
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 434 place count 526 transition count 1126
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 439 place count 521 transition count 1121
Iterating global reduction 7 with 5 rules applied. Total rules applied 444 place count 521 transition count 1121
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 449 place count 521 transition count 1116
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 8 with 10 rules applied. Total rules applied 459 place count 521 transition count 1106
Ensure Unique test removed 1 places
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 470 place count 510 transition count 1106
Partial Free-agglomeration rule applied 16 times.
Drop transitions (Partial Free agglomeration) removed 16 transitions
Iterating global reduction 9 with 16 rules applied. Total rules applied 486 place count 510 transition count 1106
Applied a total of 486 rules in 263 ms. Remains 510 /745 variables (removed 235) and now considering 1106/1341 (removed 235) transitions.
// Phase 1: matrix 1106 rows 510 cols
[2026-05-25 05:07:05] [INFO ] Computed 73 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:05] [INFO ] Implicit Places using invariants in 577 ms returned [72, 89, 95, 98, 100, 101, 104, 105, 157, 176, 182, 185, 187, 192, 193, 245, 264, 270, 273, 275, 280, 281, 333, 350, 356, 359, 361, 366, 367, 419, 436, 442, 445, 447]
[2026-05-25 05:07:05] [INFO ] Actually due to overlaps returned [104, 192, 280, 366, 105, 193, 281, 367, 89, 95, 100, 101, 176, 182, 187, 264, 270, 275, 350, 356, 361, 436, 442, 447, 72, 157, 245, 333, 419]
Discarding 29 places :
Implicit Place search using SMT only with invariants took 581 ms to find 29 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 481/801 places, 1106/1341 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 461 transition count 1086
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 461 transition count 1086
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 45 place count 456 transition count 1081
Iterating global reduction 0 with 5 rules applied. Total rules applied 50 place count 456 transition count 1081
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 70 place count 446 transition count 1071
Free-agglomeration rule applied 15 times.
Iterating global reduction 0 with 15 rules applied. Total rules applied 85 place count 446 transition count 1056
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 100 place count 431 transition count 1056
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 1 with 5 rules applied. Total rules applied 105 place count 431 transition count 1051
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 110 place count 426 transition count 1051
Applied a total of 110 rules in 131 ms. Remains 426 /481 variables (removed 55) and now considering 1051/1106 (removed 55) transitions.
// Phase 1: matrix 1051 rows 426 cols
[2026-05-25 05:07:05] [INFO ] Computed 44 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:06] [INFO ] Implicit Places using invariants in 431 ms returned []
[2026-05-25 05:07:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:07] [INFO ] Implicit Places using invariants and state equation in 1088 ms returned []
Implicit Place search using SMT with State Equation took 1521 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 426/801 places, 1051/1341 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 3374 ms. Remains : 426/801 places, 1051/1341 transitions.
[2026-05-25 05:07:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (18463 resets) in 2033 ms. (491 steps per ms)
BEST_FIRST walk for 3000001 steps (14291 resets) in 2484 ms. (1207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:07:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:11] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-25 05:07:11] [INFO ] [Real]Absence check using 11 positive and 33 generalized place invariants in 14 ms returned sat
[2026-05-25 05:07:12] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2026-05-25 05:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:12] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:07:12] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 9 ms returned sat
[2026-05-25 05:07:12] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
[2026-05-25 05:07:12] [INFO ] Computed and/alt/rep : 223/1018/223 causal constraints (skipped 802 transitions) in 68 ms.
[2026-05-25 05:07:13] [INFO ] Added : 35 causal constraints over 8 iterations in 908 ms. Result :sat
Minimization took 459 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:14] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Real]Absence check using 11 positive and 33 generalized place invariants in 24 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2026-05-25 05:07:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 21 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2026-05-25 05:07:15] [INFO ] Computed and/alt/rep : 223/1018/223 causal constraints (skipped 802 transitions) in 94 ms.
[2026-05-25 05:07:15] [INFO ] Added : 17 causal constraints over 4 iterations in 595 ms. Result :sat
Minimization took 445 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:16] [INFO ] [Real]Absence check using 11 positive place invariants in 12 ms returned sat
[2026-05-25 05:07:16] [INFO ] [Real]Absence check using 11 positive and 33 generalized place invariants in 15 ms returned sat
[2026-05-25 05:07:16] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2026-05-25 05:07:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:16] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:07:16] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 21 ms returned sat
[2026-05-25 05:07:17] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2026-05-25 05:07:17] [INFO ] Computed and/alt/rep : 223/1018/223 causal constraints (skipped 802 transitions) in 74 ms.
[2026-05-25 05:07:17] [INFO ] Added : 36 causal constraints over 8 iterations in 834 ms. Result :sat
Minimization took 462 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
FORMULA ASLink-PT-05a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1051/1051 transitions.
Applied a total of 0 rules in 14 ms. Remains 426 /426 variables (removed 0) and now considering 1051/1051 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 426/426 places, 1051/1051 transitions.
[2026-05-25 05:07:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (18581 resets) in 1844 ms. (542 steps per ms)
BEST_FIRST walk for 2000001 steps (9488 resets) in 1752 ms. (1140 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-25 05:07:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:22] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-25 05:07:22] [INFO ] [Real]Absence check using 11 positive and 33 generalized place invariants in 21 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2026-05-25 05:07:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:23] [INFO ] [Nat]Absence check using 11 positive place invariants in 12 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 11 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Nat]Absence check using state equation in 467 ms returned sat
[2026-05-25 05:07:23] [INFO ] Computed and/alt/rep : 223/1018/223 causal constraints (skipped 802 transitions) in 62 ms.
[2026-05-25 05:07:24] [INFO ] Added : 17 causal constraints over 4 iterations in 391 ms. Result :sat
Minimization took 499 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:24] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:07:24] [INFO ] [Real]Absence check using 11 positive and 33 generalized place invariants in 14 ms returned sat
[2026-05-25 05:07:25] [INFO ] [Real]Absence check using state equation in 275 ms returned sat
[2026-05-25 05:07:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:25] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 05:07:25] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 23 ms returned sat
[2026-05-25 05:07:25] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2026-05-25 05:07:25] [INFO ] Computed and/alt/rep : 223/1018/223 causal constraints (skipped 802 transitions) in 71 ms.
[2026-05-25 05:07:26] [INFO ] Added : 36 causal constraints over 8 iterations in 777 ms. Result :sat
Minimization took 448 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1051/1051 transitions.
Applied a total of 0 rules in 13 ms. Remains 426 /426 variables (removed 0) and now considering 1051/1051 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 426/426 places, 1051/1051 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1051/1051 transitions.
Applied a total of 0 rules in 13 ms. Remains 426 /426 variables (removed 0) and now considering 1051/1051 (removed 0) transitions.
[2026-05-25 05:07:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:28] [INFO ] Implicit Places using invariants in 738 ms returned []
[2026-05-25 05:07:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:29] [INFO ] Implicit Places using invariants and state equation in 967 ms returned []
Implicit Place search using SMT with State Equation took 1726 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:07:29] [INFO ] Redundant transitions in 76 ms returned []
Running 1025 sub problems to find dead transitions.
[2026-05-25 05:07:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 32/40 constraints. Problems are: Problem set: 0 solved, 1025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 425/1477 variables, and 40 constraints, problems are : Problem set: 0 solved, 1025 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 32/33 constraints, State Equation: 0/426 constraints, PredecessorRefiner: 1025/1025 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1025 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 32/40 constraints. Problems are: Problem set: 0 solved, 1025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/1477 variables, and 40 constraints, problems are : Problem set: 0 solved, 1025 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 32/33 constraints, State Equation: 0/426 constraints, PredecessorRefiner: 0/1025 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60478ms problems are : Problem set: 0 solved, 1025 unsolved
Search for dead transitions found 0 dead transitions in 60493ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62326 ms. Remains : 426/426 places, 1051/1051 transitions.
RANDOM walk for 40000 steps (748 resets) in 726 ms. (55 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (186 resets) in 145 ms. (274 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (190 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (190 resets) in 155 ms. (256 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (178 resets) in 270 ms. (147 steps per ms) remains 4/4 properties
[2026-05-25 05:08:30] [INFO ] Flatten gal took : 157 ms
[2026-05-25 05:08:30] [INFO ] Flatten gal took : 89 ms
[2026-05-25 05:08:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1121593403985554647.gal : 45 ms
[2026-05-25 05:08:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1312964549340386428.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/ReachabilityCardinality1121593403985554647.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1312964549340386428.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1312964549340386428.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :6 after 12
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :12 after 44
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :44 after 328
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :328 after 14688
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :14688 after 146600
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :146600 after 153688
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :153688 after 154429
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :154429 after 3.13214e+06
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :3.13214e+06 after 2.36884e+07
Invariant property MIN1 does not hold.
Reachability property MAX1 is true.
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 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,3.26141e+08,1.08631,39268,2,25132,18,84029,6,0,2758,71412,0
Total reachable state count : 326141136

Verifying 4 reachability properties.
Reachability property MAX0 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
MAX0,44,1.09062,39268,2,758,18,84029,7,0,2761,71412,0
Invariant property MIN0 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
MIN0,44,1.09397,39268,2,758,18,84029,8,0,2762,71412,0
Reachability property MAX1 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
MAX1,6,1.09834,39268,2,537,18,84029,9,0,2764,71412,0
Invariant property MIN1 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
MIN1,6,1.10311,39268,2,537,18,84029,10,0,2765,71412,0
Interrupted probabilistic random walk after 225672 steps, run timeout after 3001 ms. (steps per millisecond=75 ) properties seen :0 out of 4
Probabilistic random walk after 225672 steps, saw 151126 distinct states, run finished after 3005 ms. (steps per millisecond=75 ) properties seen :0
FORMULA ASLink-PT-05a-UpperBounds-08 1 TECHNIQUES REACHABILITY_MAX
FORMULA ASLink-PT-05a-UpperBounds-05 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 208214 ms.

BK_STOP 1779685713145

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="ASLink-PT-05a"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is ASLink-PT-05a, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r015-oct2-177944372400044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-05a.tgz
mv ASLink-PT-05a execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;