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-oct2-177944372400050.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-08a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400050
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 5 14:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 5 14:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 14:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.8K Mar 15 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K 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 11K Mar 5 14:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 5 14:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:10 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 757K 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-08a-UpperBounds-00
FORMULA_NAME ASLink-PT-08a-UpperBounds-01
FORMULA_NAME ASLink-PT-08a-UpperBounds-02
FORMULA_NAME ASLink-PT-08a-UpperBounds-03
FORMULA_NAME ASLink-PT-08a-UpperBounds-04
FORMULA_NAME ASLink-PT-08a-UpperBounds-05
FORMULA_NAME ASLink-PT-08a-UpperBounds-06
FORMULA_NAME ASLink-PT-08a-UpperBounds-07
FORMULA_NAME ASLink-PT-08a-UpperBounds-08
FORMULA_NAME ASLink-PT-08a-UpperBounds-09
FORMULA_NAME ASLink-PT-08a-UpperBounds-10
FORMULA_NAME ASLink-PT-08a-UpperBounds-11
FORMULA_NAME ASLink-PT-08a-UpperBounds-12
FORMULA_NAME ASLink-PT-08a-UpperBounds-13
FORMULA_NAME ASLink-PT-08a-UpperBounds-14
FORMULA_NAME ASLink-PT-08a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685518854

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:05:20] [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 05:05:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:05:21] [INFO ] Load time of PNML (sax parser for PT used): 245 ms
[2026-05-25 05:05:21] [INFO ] Transformed 1796 places.
[2026-05-25 05:05:21] [INFO ] Transformed 2646 transitions.
[2026-05-25 05:05:21] [INFO ] Found NUPN structural information;
[2026-05-25 05:05:21] [INFO ] Parsed PT model containing 1796 places and 2646 transitions and 9934 arcs in 477 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Ensure Unique test removed 28 transitions
Reduce redundant transitions removed 28 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 2618 rows 1796 cols
[2026-05-25 05:05:21] [INFO ] Computed 346 invariants in 165 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 (54 resets) in 120 ms. (82 steps per ms)
FORMULA ASLink-PT-08a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-08a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70004 steps (33 resets) in 186 ms. (374 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-25 05:05:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:22] [INFO ] [Real]Absence check using 85 positive place invariants in 51 ms returned sat
[2026-05-25 05:05:22] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 188 ms returned sat
[2026-05-25 05:05:23] [INFO ] [Real]Absence check using state equation in 1306 ms returned sat
[2026-05-25 05:05:24] [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 05:05:24] [INFO ] [Nat]Absence check using 85 positive place invariants in 73 ms returned sat
[2026-05-25 05:05:24] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 112 ms returned sat
[2026-05-25 05:05:26] [INFO ] [Nat]Absence check using state equation in 1740 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:26] [INFO ] Deduced a trap composed of 24 places in 417 ms of which 81 ms to minimize.
[2026-05-25 05:05:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 664 ms
[2026-05-25 05:05:27] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 204 ms.
[2026-05-25 05:05:29] [INFO ] Added : 30 causal constraints over 6 iterations in 2036 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:29] [INFO ] [Real]Absence check using 85 positive place invariants in 43 ms returned sat
[2026-05-25 05:05:29] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 130 ms returned sat
[2026-05-25 05:05:31] [INFO ] [Real]Absence check using state equation in 1439 ms returned sat
[2026-05-25 05:05:31] [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 05:05:31] [INFO ] [Nat]Absence check using 85 positive place invariants in 81 ms returned sat
[2026-05-25 05:05:31] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 108 ms returned sat
[2026-05-25 05:05:33] [INFO ] [Nat]Absence check using state equation in 1785 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 261 ms of which 26 ms to minimize.
[2026-05-25 05:05:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 507 ms
[2026-05-25 05:05:34] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 216 ms.
Maximisation of solution failed !
Minimization took 2 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 85 positive place invariants in 36 ms returned sat
[2026-05-25 05:05:36] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 106 ms returned sat
[2026-05-25 05:05:37] [INFO ] [Real]Absence check using state equation in 904 ms returned sat
[2026-05-25 05:05:38] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 296 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 05:05:39] [INFO ] [Nat]Absence check using 85 positive place invariants in 36 ms returned sat
[2026-05-25 05:05:39] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 102 ms returned sat
[2026-05-25 05:05:40] [INFO ] [Nat]Absence check using state equation in 1609 ms returned sat
[2026-05-25 05:05:41] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 191 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 05:05:44] [INFO ] [Real]Absence check using 85 positive place invariants in 55 ms returned sat
[2026-05-25 05:05:44] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 154 ms returned sat
[2026-05-25 05:05:46] [INFO ] [Real]Absence check using state equation in 1572 ms returned sat
[2026-05-25 05:05:46] [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 05:05:46] [INFO ] [Nat]Absence check using 85 positive place invariants in 40 ms returned sat
[2026-05-25 05:05:46] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 101 ms returned sat
[2026-05-25 05:05:48] [INFO ] [Nat]Absence check using state equation in 1485 ms returned sat
[2026-05-25 05:05:48] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 162 ms.
[2026-05-25 05:05:51] [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 05:05:51] [INFO ] [Real]Absence check using 85 positive place invariants in 42 ms returned sat
[2026-05-25 05:05:51] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 101 ms returned sat
[2026-05-25 05:05:53] [INFO ] [Real]Absence check using state equation in 1693 ms returned sat
[2026-05-25 05:05:53] [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 05:05:54] [INFO ] [Nat]Absence check using 85 positive place invariants in 45 ms returned sat
[2026-05-25 05:05:54] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 99 ms returned sat
[2026-05-25 05:05:55] [INFO ] [Nat]Absence check using state equation in 1545 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:56] [INFO ] Deduced a trap composed of 24 places in 801 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:57] [INFO ] Deduced a trap composed of 54 places in 882 ms of which 114 ms to minimize.
[2026-05-25 05:05:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2017 ms
[2026-05-25 05:05:57] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 135 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 05:05:59] [INFO ] [Real]Absence check using 85 positive place invariants in 50 ms returned sat
[2026-05-25 05:05:59] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 100 ms returned sat
[2026-05-25 05:06:00] [INFO ] [Real]Absence check using state equation in 1225 ms returned sat
[2026-05-25 05:06:00] [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 05:06:00] [INFO ] [Nat]Absence check using 85 positive place invariants in 40 ms returned sat
[2026-05-25 05:06:01] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 92 ms returned sat
[2026-05-25 05:06:02] [INFO ] [Nat]Absence check using state equation in 1290 ms returned sat
[2026-05-25 05:06:02] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 141 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 05:06:05] [INFO ] [Real]Absence check using 85 positive place invariants in 51 ms returned sat
[2026-05-25 05:06:06] [INFO ] [Real]Absence check using 85 positive and 261 generalized place invariants in 92 ms returned sat
[2026-05-25 05:06:07] [INFO ] [Real]Absence check using state equation in 1077 ms returned sat
[2026-05-25 05:06:07] [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 05:06:07] [INFO ] [Nat]Absence check using 85 positive place invariants in 83 ms returned sat
[2026-05-25 05:06:07] [INFO ] [Nat]Absence check using 85 positive and 261 generalized place invariants in 127 ms returned sat
[2026-05-25 05:06:09] [INFO ] [Nat]Absence check using state equation in 1547 ms returned sat
[2026-05-25 05:06:09] [INFO ] Computed and/alt/rep : 1106/3898/1106 causal constraints (skipped 1511 transitions) in 114 ms.
[2026-05-25 05:06:12] [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 6
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)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 1, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 1796 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1796/1796 places, 2618/2618 transitions.
Ensure Unique test removed 32 places
Discarding 16 places :
Implicit places reduction removed 16 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 162 transitions
Trivial Post-agglo rules discarded 162 transitions
Performed 162 trivial Post agglomeration. Transition count delta: 162
Iterating post reduction 0 with 210 rules applied. Total rules applied 210 place count 1748 transition count 2456
Reduce places removed 162 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 163 rules applied. Total rules applied 373 place count 1586 transition count 2455
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 374 place count 1585 transition count 2455
Performed 169 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 169 Pre rules applied. Total rules applied 374 place count 1585 transition count 2286
Deduced a syphon composed of 169 places in 3 ms
Ensure Unique test removed 67 places
Reduce places removed 236 places and 0 transitions.
Iterating global reduction 3 with 405 rules applied. Total rules applied 779 place count 1349 transition count 2286
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 780 place count 1349 transition count 2285
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 781 place count 1348 transition count 2285
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 792 place count 1337 transition count 2226
Ensure Unique test removed 1 places
Iterating global reduction 5 with 12 rules applied. Total rules applied 804 place count 1336 transition count 2226
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 810 place count 1335 transition count 2221
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 813 place count 1332 transition count 2221
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 814 place count 1331 transition count 2213
Iterating global reduction 7 with 1 rules applied. Total rules applied 815 place count 1331 transition count 2213
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 816 place count 1330 transition count 2205
Iterating global reduction 7 with 1 rules applied. Total rules applied 817 place count 1330 transition count 2205
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 818 place count 1329 transition count 2197
Iterating global reduction 7 with 1 rules applied. Total rules applied 819 place count 1329 transition count 2197
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 820 place count 1328 transition count 2189
Iterating global reduction 7 with 1 rules applied. Total rules applied 821 place count 1328 transition count 2189
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 822 place count 1327 transition count 2181
Iterating global reduction 7 with 1 rules applied. Total rules applied 823 place count 1327 transition count 2181
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 824 place count 1326 transition count 2173
Iterating global reduction 7 with 1 rules applied. Total rules applied 825 place count 1326 transition count 2173
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 826 place count 1325 transition count 2165
Iterating global reduction 7 with 1 rules applied. Total rules applied 827 place count 1325 transition count 2165
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 828 place count 1324 transition count 2157
Iterating global reduction 7 with 1 rules applied. Total rules applied 829 place count 1324 transition count 2157
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 830 place count 1323 transition count 2149
Iterating global reduction 7 with 1 rules applied. Total rules applied 831 place count 1323 transition count 2149
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 832 place count 1322 transition count 2141
Iterating global reduction 7 with 1 rules applied. Total rules applied 833 place count 1322 transition count 2141
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 834 place count 1321 transition count 2133
Iterating global reduction 7 with 1 rules applied. Total rules applied 835 place count 1321 transition count 2133
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 836 place count 1320 transition count 2125
Iterating global reduction 7 with 1 rules applied. Total rules applied 837 place count 1320 transition count 2125
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 838 place count 1319 transition count 2117
Iterating global reduction 7 with 1 rules applied. Total rules applied 839 place count 1319 transition count 2117
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 840 place count 1318 transition count 2109
Iterating global reduction 7 with 1 rules applied. Total rules applied 841 place count 1318 transition count 2109
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 842 place count 1317 transition count 2101
Iterating global reduction 7 with 1 rules applied. Total rules applied 843 place count 1317 transition count 2101
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 844 place count 1316 transition count 2093
Iterating global reduction 7 with 1 rules applied. Total rules applied 845 place count 1316 transition count 2093
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 6 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 7 with 112 rules applied. Total rules applied 957 place count 1260 transition count 2037
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 7 with 8 rules applied. Total rules applied 965 place count 1260 transition count 2029
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 973 place count 1252 transition count 2029
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 8 with 9 rules applied. Total rules applied 982 place count 1252 transition count 2029
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 983 place count 1251 transition count 2028
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 8 with 15 rules applied. Total rules applied 998 place count 1236 transition count 2028
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 28 Pre rules applied. Total rules applied 998 place count 1236 transition count 2000
Deduced a syphon composed of 28 places in 3 ms
Ensure Unique test removed 1 places
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 9 with 57 rules applied. Total rules applied 1055 place count 1207 transition count 2000
Discarding 9 places :
Implicit places reduction removed 9 places
Iterating post reduction 9 with 9 rules applied. Total rules applied 1064 place count 1198 transition count 2000
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 1 Pre rules applied. Total rules applied 1064 place count 1198 transition count 1999
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1066 place count 1197 transition count 1999
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 3 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 10 with 18 rules applied. Total rules applied 1084 place count 1188 transition count 1990
Discarding 8 places :
Symmetric choice reduction at 10 with 8 rule applications. Total rules 1092 place count 1180 transition count 1982
Iterating global reduction 10 with 8 rules applied. Total rules applied 1100 place count 1180 transition count 1982
Free-agglomeration rule applied 8 times.
Iterating global reduction 10 with 8 rules applied. Total rules applied 1108 place count 1180 transition count 1974
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 1116 place count 1172 transition count 1974
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 11 with 7 rules applied. Total rules applied 1123 place count 1172 transition count 1974
Applied a total of 1123 rules in 2192 ms. Remains 1172 /1796 variables (removed 624) and now considering 1974/2618 (removed 644) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2200 ms. Remains : 1172/1796 places, 1974/2618 transitions.
// Phase 1: matrix 1974 rows 1172 cols
[2026-05-25 05:06:15] [INFO ] Computed 204 invariants in 128 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 1, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA ASLink-PT-08a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (10144 resets) in 3862 ms. (258 steps per ms)
FORMULA ASLink-PT-08a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 5000005 steps (6301 resets) in 8376 ms. (596 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2026-05-25 05:06:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:28] [INFO ] [Real]Absence check using 54 positive place invariants in 31 ms returned sat
[2026-05-25 05:06:28] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 32 ms returned sat
[2026-05-25 05:06:28] [INFO ] [Real]Absence check using state equation in 673 ms returned sat
[2026-05-25 05:06:28] [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 05:06:29] [INFO ] [Nat]Absence check using 54 positive place invariants in 17 ms returned sat
[2026-05-25 05:06:29] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 44 ms returned sat
[2026-05-25 05:06:30] [INFO ] [Nat]Absence check using state equation in 849 ms returned sat
[2026-05-25 05:06:30] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 113 ms.
[2026-05-25 05:06:38] [INFO ] Added : 206 causal constraints over 42 iterations in 8241 ms. Result :sat
Minimization took 2355 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:41] [INFO ] [Real]Absence check using 54 positive place invariants in 19 ms returned sat
[2026-05-25 05:06:41] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 86 ms returned sat
[2026-05-25 05:06:42] [INFO ] [Real]Absence check using state equation in 859 ms returned sat
[2026-05-25 05:06:42] [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 05:06:42] [INFO ] [Nat]Absence check using 54 positive place invariants in 31 ms returned sat
[2026-05-25 05:06:42] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 29 ms returned sat
[2026-05-25 05:06:43] [INFO ] [Nat]Absence check using state equation in 736 ms returned sat
[2026-05-25 05:06:43] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 131 ms.
[2026-05-25 05:07:00] [INFO ] Added : 580 causal constraints over 116 iterations in 17685 ms. Result :sat
Minimization took 2138 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:03] [INFO ] [Real]Absence check using 54 positive place invariants in 24 ms returned sat
[2026-05-25 05:07:03] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 41 ms returned sat
[2026-05-25 05:07:04] [INFO ] [Real]Absence check using state equation in 703 ms returned sat
[2026-05-25 05:07:04] [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 05:07:04] [INFO ] [Nat]Absence check using 54 positive place invariants in 17 ms returned sat
[2026-05-25 05:07:04] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 32 ms returned sat
[2026-05-25 05:07:04] [INFO ] [Nat]Absence check using state equation in 568 ms returned sat
[2026-05-25 05:07:05] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 143 ms.
[2026-05-25 05:07:11] [INFO ] Added : 178 causal constraints over 36 iterations in 6484 ms. Result :sat
Minimization took 1986 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:13] [INFO ] [Real]Absence check using 54 positive place invariants in 19 ms returned sat
[2026-05-25 05:07:13] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 67 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Real]Absence check using state equation in 809 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 54 positive place invariants in 16 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 29 ms returned sat
[2026-05-25 05:07:15] [INFO ] [Nat]Absence check using state equation in 605 ms returned sat
[2026-05-25 05:07:15] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 101 ms.
[2026-05-25 05:07:19] [INFO ] Added : 118 causal constraints over 24 iterations in 4271 ms. Result :sat
Minimization took 2085 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:22] [INFO ] [Real]Absence check using 54 positive place invariants in 82 ms returned sat
[2026-05-25 05:07:22] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 57 ms returned sat
[2026-05-25 05:07:22] [INFO ] [Real]Absence check using state equation in 634 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 54 positive place invariants in 15 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 31 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Nat]Absence check using state equation in 562 ms returned sat
[2026-05-25 05:07:24] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 139 ms.
[2026-05-25 05:07:39] [INFO ] Added : 595 causal constraints over 119 iterations in 15695 ms. Result :sat
Minimization took 1976 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Support contains 5 out of 1172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1172/1172 places, 1974/1974 transitions.
Applied a total of 0 rules in 50 ms. Remains 1172 /1172 variables (removed 0) and now considering 1974/1974 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 1172/1172 places, 1974/1974 transitions.
[2026-05-25 05:07:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (10183 resets) in 3533 ms. (282 steps per ms)
BEST_FIRST walk for 5000005 steps (6270 resets) in 7351 ms. (680 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2026-05-25 05:08:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:02] [INFO ] [Real]Absence check using 54 positive place invariants in 34 ms returned sat
[2026-05-25 05:08:02] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 27 ms returned sat
[2026-05-25 05:08:02] [INFO ] [Real]Absence check using state equation in 653 ms returned sat
[2026-05-25 05:08:02] [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 05:08:03] [INFO ] [Nat]Absence check using 54 positive place invariants in 34 ms returned sat
[2026-05-25 05:08:03] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 33 ms returned sat
[2026-05-25 05:08:03] [INFO ] [Nat]Absence check using state equation in 723 ms returned sat
[2026-05-25 05:08:03] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 141 ms.
[2026-05-25 05:08:12] [INFO ] Added : 206 causal constraints over 42 iterations in 8187 ms. Result :sat
Minimization took 2097 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:14] [INFO ] [Real]Absence check using 54 positive place invariants in 15 ms returned sat
[2026-05-25 05:08:14] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 32 ms returned sat
[2026-05-25 05:08:15] [INFO ] [Real]Absence check using state equation in 816 ms returned sat
[2026-05-25 05:08:15] [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 05:08:15] [INFO ] [Nat]Absence check using 54 positive place invariants in 20 ms returned sat
[2026-05-25 05:08:15] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 30 ms returned sat
[2026-05-25 05:08:16] [INFO ] [Nat]Absence check using state equation in 657 ms returned sat
[2026-05-25 05:08:16] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 103 ms.
[2026-05-25 05:08:32] [INFO ] Added : 580 causal constraints over 116 iterations in 16178 ms. Result :sat
Minimization took 2109 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:34] [INFO ] [Real]Absence check using 54 positive place invariants in 24 ms returned sat
[2026-05-25 05:08:35] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 75 ms returned sat
[2026-05-25 05:08:35] [INFO ] [Real]Absence check using state equation in 669 ms returned sat
[2026-05-25 05:08:35] [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 05:08:35] [INFO ] [Nat]Absence check using 54 positive place invariants in 20 ms returned sat
[2026-05-25 05:08:36] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 39 ms returned sat
[2026-05-25 05:08:36] [INFO ] [Nat]Absence check using state equation in 895 ms returned sat
[2026-05-25 05:08:37] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 97 ms.
[2026-05-25 05:08:42] [INFO ] Added : 178 causal constraints over 36 iterations in 5488 ms. Result :sat
Minimization took 1942 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:44] [INFO ] [Real]Absence check using 54 positive place invariants in 15 ms returned sat
[2026-05-25 05:08:44] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 48 ms returned sat
[2026-05-25 05:08:45] [INFO ] [Real]Absence check using state equation in 592 ms returned sat
[2026-05-25 05:08:45] [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 05:08:45] [INFO ] [Nat]Absence check using 54 positive place invariants in 16 ms returned sat
[2026-05-25 05:08:45] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 33 ms returned sat
[2026-05-25 05:08:47] [INFO ] [Nat]Absence check using state equation in 2222 ms returned sat
[2026-05-25 05:08:48] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 127 ms.
[2026-05-25 05:08:52] [INFO ] Added : 118 causal constraints over 24 iterations in 4636 ms. Result :sat
Minimization took 2138 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:54] [INFO ] [Real]Absence check using 54 positive place invariants in 29 ms returned sat
[2026-05-25 05:08:54] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 31 ms returned sat
[2026-05-25 05:08:55] [INFO ] [Real]Absence check using state equation in 667 ms returned sat
[2026-05-25 05:08:55] [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 05:08:55] [INFO ] [Nat]Absence check using 54 positive place invariants in 15 ms returned sat
[2026-05-25 05:08:55] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 40 ms returned sat
[2026-05-25 05:08:56] [INFO ] [Nat]Absence check using state equation in 597 ms returned sat
[2026-05-25 05:08:56] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 102 ms.
[2026-05-25 05:09:15] [INFO ] Added : 595 causal constraints over 119 iterations in 18628 ms. Result :sat
Minimization took 1957 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA ASLink-PT-08a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Support contains 4 out of 1172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1172/1172 places, 1974/1974 transitions.
Applied a total of 0 rules in 49 ms. Remains 1172 /1172 variables (removed 0) and now considering 1974/1974 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 1172/1172 places, 1974/1974 transitions.
[2026-05-25 05:09:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (10310 resets) in 3717 ms. (268 steps per ms)
BEST_FIRST walk for 4000003 steps (5068 resets) in 6769 ms. (590 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
[2026-05-25 05:09:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:38] [INFO ] [Real]Absence check using 54 positive place invariants in 34 ms returned sat
[2026-05-25 05:09:38] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 45 ms returned sat
[2026-05-25 05:09:39] [INFO ] [Real]Absence check using state equation in 687 ms returned sat
[2026-05-25 05:09:39] [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 05:09:39] [INFO ] [Nat]Absence check using 54 positive place invariants in 26 ms returned sat
[2026-05-25 05:09:39] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 34 ms returned sat
[2026-05-25 05:09:40] [INFO ] [Nat]Absence check using state equation in 618 ms returned sat
[2026-05-25 05:09:40] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 114 ms.
[2026-05-25 05:09:48] [INFO ] Added : 206 causal constraints over 42 iterations in 8213 ms. Result :sat
Minimization took 2132 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:51] [INFO ] [Real]Absence check using 54 positive place invariants in 20 ms returned sat
[2026-05-25 05:09:51] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 44 ms returned sat
[2026-05-25 05:09:52] [INFO ] [Real]Absence check using state equation in 869 ms returned sat
[2026-05-25 05:09:52] [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 05:09:52] [INFO ] [Nat]Absence check using 54 positive place invariants in 18 ms returned sat
[2026-05-25 05:09:52] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 53 ms returned sat
[2026-05-25 05:09:53] [INFO ] [Nat]Absence check using state equation in 749 ms returned sat
[2026-05-25 05:09:53] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 130 ms.
[2026-05-25 05:10:11] [INFO ] Added : 580 causal constraints over 116 iterations in 18605 ms. Result :sat
Minimization took 2577 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:14] [INFO ] [Real]Absence check using 54 positive place invariants in 19 ms returned sat
[2026-05-25 05:10:14] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 76 ms returned sat
[2026-05-25 05:10:15] [INFO ] [Real]Absence check using state equation in 718 ms returned sat
[2026-05-25 05:10:15] [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 05:10:16] [INFO ] [Nat]Absence check using 54 positive place invariants in 31 ms returned sat
[2026-05-25 05:10:16] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 52 ms returned sat
[2026-05-25 05:10:16] [INFO ] [Nat]Absence check using state equation in 608 ms returned sat
[2026-05-25 05:10:16] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 96 ms.
[2026-05-25 05:10:22] [INFO ] Added : 178 causal constraints over 36 iterations in 5310 ms. Result :sat
Minimization took 2058 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:24] [INFO ] [Real]Absence check using 54 positive place invariants in 16 ms returned sat
[2026-05-25 05:10:24] [INFO ] [Real]Absence check using 54 positive and 150 generalized place invariants in 33 ms returned sat
[2026-05-25 05:10:25] [INFO ] [Real]Absence check using state equation in 746 ms returned sat
[2026-05-25 05:10:25] [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 05:10:25] [INFO ] [Nat]Absence check using 54 positive place invariants in 19 ms returned sat
[2026-05-25 05:10:25] [INFO ] [Nat]Absence check using 54 positive and 150 generalized place invariants in 35 ms returned sat
[2026-05-25 05:10:26] [INFO ] [Nat]Absence check using state equation in 800 ms returned sat
[2026-05-25 05:10:26] [INFO ] Computed and/alt/rep : 786/2956/786 causal constraints (skipped 1147 transitions) in 118 ms.
[2026-05-25 05:10:43] [INFO ] Added : 595 causal constraints over 119 iterations in 16969 ms. Result :sat
Minimization took 1943 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Support contains 4 out of 1172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1172/1172 places, 1974/1974 transitions.
Applied a total of 0 rules in 50 ms. Remains 1172 /1172 variables (removed 0) and now considering 1974/1974 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 1172/1172 places, 1974/1974 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1172/1172 places, 1974/1974 transitions.
Applied a total of 0 rules in 49 ms. Remains 1172 /1172 variables (removed 0) and now considering 1974/1974 (removed 0) transitions.
[2026-05-25 05:10:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:55] [INFO ] Implicit Places using invariants in 1076 ms returned [0, 18, 19, 30, 48, 66, 136, 140, 149, 150, 151, 169, 187, 256, 260, 261, 272, 273, 274, 292, 310, 379, 383, 384, 395, 396, 397, 415, 433, 502, 506, 507, 518, 519, 520, 538, 556, 631, 646, 647, 648, 666, 684, 753, 757, 758, 769, 770, 771, 789, 807, 876, 880, 881, 892, 893, 894, 912, 930, 999, 1003, 1004, 1007, 1018, 1019, 1020, 1038, 1040, 1043, 1061, 1062, 1063, 1064, 1076, 1082, 1088, 1094, 1100, 1106, 1112, 1118, 1124, 1130, 1136]
[2026-05-25 05:10:55] [INFO ] Actually due to overlaps returned [1038, 1020, 48, 151, 169, 274, 292, 397, 415, 520, 538, 648, 666, 771, 789, 894, 912, 1043, 30, 150, 273, 396, 519, 647, 770, 893, 1019, 1062, 149, 272, 395, 518, 646, 769, 892, 1018, 1040, 1061, 0, 260, 261, 383, 384, 506, 507, 631, 757, 758, 880, 881, 1003, 1004, 18, 19, 66, 187, 310, 433, 556, 684, 807, 930, 1064, 1106, 1124, 1136, 1007, 1063, 1076, 1082, 1088, 1094, 1100, 1112, 1118, 1130]
Discarding 76 places :
Implicit Place search using SMT only with invariants took 1103 ms to find 76 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1096/1172 places, 1974/1974 transitions.
Discarding 7 places :
Implicit places reduction removed 7 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 146 transitions
Trivial Post-agglo rules discarded 146 transitions
Performed 146 trivial Post agglomeration. Transition count delta: 146
Iterating post reduction 0 with 153 rules applied. Total rules applied 153 place count 1089 transition count 1828
Reduce places removed 146 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 148 rules applied. Total rules applied 301 place count 943 transition count 1826
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 303 place count 941 transition count 1826
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 38 Pre rules applied. Total rules applied 303 place count 941 transition count 1788
Deduced a syphon composed of 38 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 3 with 77 rules applied. Total rules applied 380 place count 902 transition count 1788
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 392 place count 898 transition count 1780
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 400 place count 890 transition count 1780
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 415 place count 875 transition count 1765
Iterating global reduction 5 with 15 rules applied. Total rules applied 430 place count 875 transition count 1765
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 433 place count 875 transition count 1762
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 433 place count 875 transition count 1761
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 435 place count 874 transition count 1761
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 438 place count 871 transition count 1758
Iterating global reduction 6 with 3 rules applied. Total rules applied 441 place count 871 transition count 1758
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 442 place count 870 transition count 1757
Iterating global reduction 6 with 1 rules applied. Total rules applied 443 place count 870 transition count 1757
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 444 place count 869 transition count 1756
Iterating global reduction 6 with 1 rules applied. Total rules applied 445 place count 869 transition count 1756
Performed 67 Post agglomeration using F-continuation condition.Transition count delta: 67
Deduced a syphon composed of 67 places in 2 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 6 with 134 rules applied. Total rules applied 579 place count 802 transition count 1689
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 585 place count 802 transition count 1683
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 592 place count 795 transition count 1676
Iterating global reduction 7 with 7 rules applied. Total rules applied 599 place count 795 transition count 1676
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 606 place count 795 transition count 1669
Free-agglomeration rule (complex) applied 21 times.
Iterating global reduction 8 with 21 rules applied. Total rules applied 627 place count 795 transition count 1648
Ensure Unique test removed 1 places
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 8 with 22 rules applied. Total rules applied 649 place count 773 transition count 1648
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 650 place count 773 transition count 1647
Partial Free-agglomeration rule applied 25 times.
Drop transitions (Partial Free agglomeration) removed 25 transitions
Iterating global reduction 9 with 25 rules applied. Total rules applied 675 place count 773 transition count 1647
Applied a total of 675 rules in 308 ms. Remains 773 /1096 variables (removed 323) and now considering 1647/1974 (removed 327) transitions.
// Phase 1: matrix 1647 rows 773 cols
[2026-05-25 05:10:55] [INFO ] Computed 115 invariants in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:56] [INFO ] Implicit Places using invariants in 953 ms returned [73, 91, 97, 100, 102, 103, 106, 107, 159, 176, 182, 185, 187, 192, 193, 245, 262, 268, 271, 273, 278, 279, 331, 348, 354, 357, 359, 364, 365, 434, 440, 443, 445, 448, 455, 456, 510, 527, 533, 536, 538, 543, 544, 596, 613, 619, 622, 624, 629, 630, 682, 699, 705, 708, 710]
[2026-05-25 05:10:56] [INFO ] Actually due to overlaps returned [106, 192, 278, 364, 455, 543, 629, 107, 193, 279, 365, 456, 544, 630, 91, 97, 102, 103, 176, 182, 187, 262, 268, 273, 348, 354, 359, 434, 440, 445, 527, 533, 538, 613, 619, 624, 699, 705, 710, 73, 159, 245, 331, 448, 510, 596, 682]
Discarding 47 places :
Implicit Place search using SMT only with invariants took 971 ms to find 47 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 726/1172 places, 1647/1974 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 693 transition count 1614
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 693 transition count 1614
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 74 place count 685 transition count 1606
Iterating global reduction 0 with 8 rules applied. Total rules applied 82 place count 685 transition count 1606
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 112 place count 670 transition count 1591
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 113 place count 670 transition count 1590
Free-agglomeration rule applied 24 times.
Iterating global reduction 0 with 24 rules applied. Total rules applied 137 place count 670 transition count 1566
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 161 place count 646 transition count 1566
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 167 place count 646 transition count 1560
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 173 place count 640 transition count 1560
Applied a total of 173 rules in 163 ms. Remains 640 /726 variables (removed 86) and now considering 1560/1647 (removed 87) transitions.
// Phase 1: matrix 1560 rows 640 cols
[2026-05-25 05:10:56] [INFO ] Computed 68 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:57] [INFO ] Implicit Places using invariants in 455 ms returned []
[2026-05-25 05:10:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:58] [INFO ] Implicit Places using invariants and state equation in 1694 ms returned []
Implicit Place search using SMT with State Equation took 2151 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 640/1172 places, 1560/1974 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 4749 ms. Remains : 640/1172 places, 1560/1974 transitions.
[2026-05-25 05:10:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (16586 resets) in 2314 ms. (431 steps per ms)
BEST_FIRST walk for 4000002 steps (11310 resets) in 3302 ms. (1211 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
[2026-05-25 05:11:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:04] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 05:11:04] [INFO ] [Real]Absence check using 15 positive and 53 generalized place invariants in 19 ms returned sat
[2026-05-25 05:11:05] [INFO ] [Real]Absence check using state equation in 495 ms returned sat
[2026-05-25 05:11:05] [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 05:11:05] [INFO ] [Nat]Absence check using 15 positive place invariants in 17 ms returned sat
[2026-05-25 05:11:05] [INFO ] [Nat]Absence check using 15 positive and 53 generalized place invariants in 35 ms returned sat
[2026-05-25 05:11:05] [INFO ] [Nat]Absence check using state equation in 485 ms returned sat
[2026-05-25 05:11:05] [INFO ] Computed and/alt/rep : 370/1663/370 causal constraints (skipped 1152 transitions) in 77 ms.
[2026-05-25 05:11:07] [INFO ] Added : 50 causal constraints over 10 iterations in 1316 ms. Result :sat
Minimization took 688 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:08] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 05:11:08] [INFO ] [Real]Absence check using 15 positive and 53 generalized place invariants in 17 ms returned sat
[2026-05-25 05:11:08] [INFO ] [Real]Absence check using state equation in 521 ms returned sat
[2026-05-25 05:11:08] [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 05:11:08] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 05:11:08] [INFO ] [Nat]Absence check using 15 positive and 53 generalized place invariants in 35 ms returned sat
[2026-05-25 05:11:09] [INFO ] [Nat]Absence check using state equation in 569 ms returned sat
[2026-05-25 05:11:09] [INFO ] Computed and/alt/rep : 370/1663/370 causal constraints (skipped 1152 transitions) in 102 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:11:12] [INFO ] Deduced a trap composed of 53 places in 192 ms of which 20 ms to minimize.
[2026-05-25 05:11:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 396 ms
[2026-05-25 05:11:12] [INFO ] Added : 100 causal constraints over 20 iterations in 3144 ms. Result :sat
Minimization took 756 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:13] [INFO ] [Real]Absence check using 15 positive place invariants in 32 ms returned sat
[2026-05-25 05:11:13] [INFO ] [Real]Absence check using 15 positive and 53 generalized place invariants in 16 ms returned sat
[2026-05-25 05:11:14] [INFO ] [Real]Absence check using state equation in 548 ms returned sat
[2026-05-25 05:11:14] [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 05:11:14] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 05:11:14] [INFO ] [Nat]Absence check using 15 positive and 53 generalized place invariants in 20 ms returned sat
[2026-05-25 05:11:14] [INFO ] [Nat]Absence check using state equation in 523 ms returned sat
[2026-05-25 05:11:15] [INFO ] Computed and/alt/rep : 370/1663/370 causal constraints (skipped 1152 transitions) in 126 ms.
[2026-05-25 05:11:15] [INFO ] Added : 26 causal constraints over 6 iterations in 900 ms. Result :sat
Minimization took 672 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:16] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 05:11:16] [INFO ] [Real]Absence check using 15 positive and 53 generalized place invariants in 38 ms returned sat
[2026-05-25 05:11:17] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2026-05-25 05:11:17] [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 05:11:17] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 05:11:17] [INFO ] [Nat]Absence check using 15 positive and 53 generalized place invariants in 30 ms returned sat
[2026-05-25 05:11:17] [INFO ] [Nat]Absence check using state equation in 498 ms returned sat
[2026-05-25 05:11:18] [INFO ] Computed and/alt/rep : 370/1663/370 causal constraints (skipped 1152 transitions) in 78 ms.
[2026-05-25 05:11:18] [INFO ] Added : 12 causal constraints over 3 iterations in 389 ms. Result :sat
Minimization took 736 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
FORMULA ASLink-PT-08a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ASLink-PT-08a-UpperBounds-07 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 640 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 640/640 places, 1560/1560 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 637 transition count 1558
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 6 place count 637 transition count 1557
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 6 place count 637 transition count 1555
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 635 transition count 1555
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 635 transition count 1554
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 634 transition count 1554
Applied a total of 12 rules in 69 ms. Remains 634 /640 variables (removed 6) and now considering 1554/1560 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 634/640 places, 1554/1560 transitions.
// Phase 1: matrix 1554 rows 634 cols
[2026-05-25 05:11:20] [INFO ] Computed 67 invariants in 33 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (17034 resets) in 2523 ms. (396 steps per ms)
BEST_FIRST walk for 2000001 steps (5871 resets) in 2019 ms. (990 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-25 05:11:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:25] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-25 05:11:25] [INFO ] [Real]Absence check using 13 positive and 54 generalized place invariants in 17 ms returned sat
[2026-05-25 05:11:25] [INFO ] [Real]Absence check using state equation in 549 ms returned sat
[2026-05-25 05:11:25] [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 05:11:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-25 05:11:26] [INFO ] [Nat]Absence check using 13 positive and 54 generalized place invariants in 17 ms returned sat
[2026-05-25 05:11:26] [INFO ] [Nat]Absence check using state equation in 567 ms returned sat
[2026-05-25 05:11:26] [INFO ] Computed and/alt/rep : 342/1554/342 causal constraints (skipped 1174 transitions) in 87 ms.
[2026-05-25 05:11:27] [INFO ] Added : 31 causal constraints over 7 iterations in 1007 ms. Result :sat
Minimization took 1272 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:29] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-25 05:11:29] [INFO ] [Real]Absence check using 13 positive and 54 generalized place invariants in 15 ms returned sat
[2026-05-25 05:11:29] [INFO ] [Real]Absence check using state equation in 560 ms returned sat
[2026-05-25 05:11:29] [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 05:11:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-25 05:11:29] [INFO ] [Nat]Absence check using 13 positive and 54 generalized place invariants in 21 ms returned sat
[2026-05-25 05:11:30] [INFO ] [Nat]Absence check using state equation in 531 ms returned sat
[2026-05-25 05:11:30] [INFO ] Computed and/alt/rep : 342/1554/342 causal constraints (skipped 1174 transitions) in 92 ms.
[2026-05-25 05:11:31] [INFO ] Added : 47 causal constraints over 10 iterations in 1356 ms. Result :sat
Minimization took 986 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 634 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 634/634 places, 1554/1554 transitions.
Applied a total of 0 rules in 22 ms. Remains 634 /634 variables (removed 0) and now considering 1554/1554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 634/634 places, 1554/1554 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 634/634 places, 1554/1554 transitions.
Applied a total of 0 rules in 21 ms. Remains 634 /634 variables (removed 0) and now considering 1554/1554 (removed 0) transitions.
[2026-05-25 05:11:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:11:34] [INFO ] Implicit Places using invariants in 466 ms returned [363, 364]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 469 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 632/634 places, 1554/1554 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 631 transition count 1553
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 631 transition count 1552
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 630 transition count 1552
Applied a total of 4 rules in 60 ms. Remains 630 /632 variables (removed 2) and now considering 1552/1554 (removed 2) transitions.
// Phase 1: matrix 1552 rows 630 cols
[2026-05-25 05:11:34] [INFO ] Computed 65 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:11:34] [INFO ] Implicit Places using invariants in 432 ms returned []
[2026-05-25 05:11:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:11:36] [INFO ] Implicit Places using invariants and state equation in 1697 ms returned []
Implicit Place search using SMT with State Equation took 2131 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 630/634 places, 1552/1554 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2682 ms. Remains : 630/634 places, 1552/1554 transitions.
[2026-05-25 05:11:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (16858 resets) in 2557 ms. (390 steps per ms)
BEST_FIRST walk for 2000002 steps (5846 resets) in 1910 ms. (1046 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-25 05:11:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:40] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 05:11:40] [INFO ] [Real]Absence check using 15 positive and 50 generalized place invariants in 33 ms returned sat
[2026-05-25 05:11:41] [INFO ] [Real]Absence check using state equation in 522 ms returned sat
[2026-05-25 05:11:41] [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 05:11:41] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 05:11:41] [INFO ] [Nat]Absence check using 15 positive and 50 generalized place invariants in 17 ms returned sat
[2026-05-25 05:11:42] [INFO ] [Nat]Absence check using state equation in 577 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:11:42] [INFO ] Deduced a trap composed of 13 places in 115 ms of which 6 ms to minimize.
[2026-05-25 05:11:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 285 ms
[2026-05-25 05:11:42] [INFO ] Computed and/alt/rep : 349/1513/349 causal constraints (skipped 1165 transitions) in 158 ms.
[2026-05-25 05:11:43] [INFO ] Added : 38 causal constraints over 8 iterations in 1406 ms. Result :sat
Minimization took 558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:44] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 05:11:44] [INFO ] [Real]Absence check using 15 positive and 50 generalized place invariants in 37 ms returned sat
[2026-05-25 05:11:45] [INFO ] [Real]Absence check using state equation in 537 ms returned sat
[2026-05-25 05:11:45] [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 05:11:45] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 05:11:45] [INFO ] [Nat]Absence check using 15 positive and 50 generalized place invariants in 28 ms returned sat
[2026-05-25 05:11:46] [INFO ] [Nat]Absence check using state equation in 586 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:11:46] [INFO ] Deduced a trap composed of 53 places in 161 ms of which 15 ms to minimize.
[2026-05-25 05:11:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 274 ms
[2026-05-25 05:11:46] [INFO ] Computed and/alt/rep : 349/1513/349 causal constraints (skipped 1165 transitions) in 117 ms.
[2026-05-25 05:11:47] [INFO ] Added : 25 causal constraints over 5 iterations in 799 ms. Result :sat
Minimization took 530 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 630 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 630/630 places, 1552/1552 transitions.
Applied a total of 0 rules in 25 ms. Remains 630 /630 variables (removed 0) and now considering 1552/1552 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 630/630 places, 1552/1552 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 630/630 places, 1552/1552 transitions.
Applied a total of 0 rules in 24 ms. Remains 630 /630 variables (removed 0) and now considering 1552/1552 (removed 0) transitions.
[2026-05-25 05:11:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:11:49] [INFO ] Implicit Places using invariants in 622 ms returned []
[2026-05-25 05:11:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:11:50] [INFO ] Implicit Places using invariants and state equation in 1670 ms returned []
Implicit Place search using SMT with State Equation took 2295 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:11:51] [INFO ] Redundant transitions in 147 ms returned []
Running 1514 sub problems to find dead transitions.
[2026-05-25 05:11:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/629 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1514 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/629 variables, 48/60 constraints. Problems are: Problem set: 0 solved, 1514 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 629/2182 variables, and 60 constraints, problems are : Problem set: 0 solved, 1514 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 12/15 constraints, Generalized P Invariants (flows): 48/50 constraints, State Equation: 0/630 constraints, PredecessorRefiner: 1514/1514 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1514 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/629 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1514 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/629 variables, 48/60 constraints. Problems are: Problem set: 0 solved, 1514 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 629/2182 variables, and 60 constraints, problems are : Problem set: 0 solved, 1514 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 12/15 constraints, Generalized P Invariants (flows): 48/50 constraints, State Equation: 0/630 constraints, PredecessorRefiner: 0/1514 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60838ms problems are : Problem set: 0 solved, 1514 unsolved
Search for dead transitions found 0 dead transitions in 60860ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63354 ms. Remains : 630/630 places, 1552/1552 transitions.
RANDOM walk for 40000 steps (679 resets) in 1151 ms. (34 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (112 resets) in 184 ms. (216 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (120 resets) in 180 ms. (221 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (120 resets) in 156 ms. (254 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (112 resets) in 155 ms. (256 steps per ms) remains 4/4 properties
[2026-05-25 05:12:52] [INFO ] Flatten gal took : 190 ms
[2026-05-25 05:12:52] [INFO ] Flatten gal took : 103 ms
[2026-05-25 05:12:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4876867549895887283.gal : 55 ms
[2026-05-25 05:12:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5920929788248191844.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/ReachabilityCardinality4876867549895887283.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5920929788248191844.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/ReachabilityCardinality5920929788248191844.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 44
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :44 after 328
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :328 after 2448
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :2448 after 136384
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :136384 after 5.39532e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5.39532e+07 after 6.29408e+07
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :6.29408e+07 after 6.41593e+07
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :6.41593e+07 after 6.41682e+07
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :6.41682e+07 after 2.02028e+09
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,2.70333e+10,1.69084,50432,2,33570,18,97525,6,0,4075,70030,0
Total reachable state count : 27033286200

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
MAX0,1,1.69878,50432,2,631,18,97525,7,0,4078,70030,0
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
MIN0,1,1.70639,50432,2,631,18,97525,8,0,4079,70030,0
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
MAX1,1,1.71119,50432,2,631,18,97525,9,0,4081,70030,0
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
MIN1,1,1.71589,50432,2,631,18,97525,10,0,4082,70030,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 143718 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :0 out of 4
Probabilistic random walk after 143718 steps, saw 91477 distinct states, run finished after 3009 ms. (steps per millisecond=47 ) properties seen :0
FORMULA ASLink-PT-08a-UpperBounds-02 1 TECHNIQUES REACHABILITY_MAX
FORMULA ASLink-PT-08a-UpperBounds-00 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 454993 ms.

BK_STOP 1779685975617

--------------------
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-08a"
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-08a, 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-oct2-177944372400050"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-08a.tgz
mv ASLink-PT-08a 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 ;