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-oct2-177944372400055.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-10b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400055
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 5.1K Mar 5 14:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Mar 5 14:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 14:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 14:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 14:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 150K Mar 5 14:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 5 14:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 5 14:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:11 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 1.4M 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-10b-UpperBounds-00
FORMULA_NAME ASLink-PT-10b-UpperBounds-01
FORMULA_NAME ASLink-PT-10b-UpperBounds-02
FORMULA_NAME ASLink-PT-10b-UpperBounds-03
FORMULA_NAME ASLink-PT-10b-UpperBounds-04
FORMULA_NAME ASLink-PT-10b-UpperBounds-05
FORMULA_NAME ASLink-PT-10b-UpperBounds-06
FORMULA_NAME ASLink-PT-10b-UpperBounds-07
FORMULA_NAME ASLink-PT-10b-UpperBounds-08
FORMULA_NAME ASLink-PT-10b-UpperBounds-09
FORMULA_NAME ASLink-PT-10b-UpperBounds-10
FORMULA_NAME ASLink-PT-10b-UpperBounds-11
FORMULA_NAME ASLink-PT-10b-UpperBounds-12
FORMULA_NAME ASLink-PT-10b-UpperBounds-13
FORMULA_NAME ASLink-PT-10b-UpperBounds-14
FORMULA_NAME ASLink-PT-10b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685601785

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:06:43] [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 05:06:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:06:43] [INFO ] Load time of PNML (sax parser for PT used): 279 ms
[2026-05-25 05:06:43] [INFO ] Transformed 4410 places.
[2026-05-25 05:06:43] [INFO ] Transformed 5405 transitions.
[2026-05-25 05:06:43] [INFO ] Found NUPN structural information;
[2026-05-25 05:06:43] [INFO ] Parsed PT model containing 4410 places and 5405 transitions and 16377 arcs in 470 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
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 5405 rows 4410 cols
[2026-05-25 05:06:44] [INFO ] Computed 433 invariants in 197 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 (14 resets) in 134 ms. (74 steps per ms)
FORMULA ASLink-PT-10b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-10b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-10b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-10b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-10b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110010 steps (22 resets) in 196 ms. (558 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-25 05:06:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:06:46] [INFO ] [Real]Absence check using 102 positive place invariants in 200 ms returned sat
[2026-05-25 05:06:46] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 379 ms returned sat
[2026-05-25 05:06:49] [INFO ] [Real]Absence check using state equation in 3246 ms returned sat
[2026-05-25 05:06:49] [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 05:06:50] [INFO ] [Nat]Absence check using 102 positive place invariants in 132 ms returned sat
[2026-05-25 05:06:50] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 294 ms returned sat
[2026-05-25 05:06:54] [INFO ] [Nat]Absence check using state equation in 3750 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:06:55] [INFO ] [Real]Absence check using 102 positive place invariants in 108 ms returned sat
[2026-05-25 05:06:55] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 252 ms returned sat
[2026-05-25 05:06:59] [INFO ] [Real]Absence check using state equation in 3933 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:00] [INFO ] [Real]Absence check using 102 positive place invariants in 117 ms returned sat
[2026-05-25 05:07:00] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 339 ms returned sat
[2026-05-25 05:07:04] [INFO ] [Real]Absence check using state equation in 3358 ms returned sat
[2026-05-25 05:07:04] [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 05:07:05] [INFO ] [Nat]Absence check using 102 positive place invariants in 129 ms returned sat
[2026-05-25 05:07:05] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 367 ms returned sat
[2026-05-25 05:07:09] [INFO ] [Nat]Absence check using state equation in 3709 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:10] [INFO ] [Real]Absence check using 102 positive place invariants in 101 ms returned sat
[2026-05-25 05:07:10] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 226 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Real]Absence check using state equation in 3398 ms returned sat
[2026-05-25 05:07:14] [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 05:07:15] [INFO ] [Nat]Absence check using 102 positive place invariants in 113 ms returned sat
[2026-05-25 05:07:15] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 322 ms returned sat
[2026-05-25 05:07:19] [INFO ] [Nat]Absence check using state equation in 3854 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:20] [INFO ] [Real]Absence check using 102 positive place invariants in 104 ms returned sat
[2026-05-25 05:07:20] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 263 ms returned sat
[2026-05-25 05:07:23] [INFO ] [Real]Absence check using state equation in 3093 ms returned sat
[2026-05-25 05:07:23] [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 05:07:24] [INFO ] [Nat]Absence check using 102 positive place invariants in 113 ms returned sat
[2026-05-25 05:07:25] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 309 ms returned sat
[2026-05-25 05:07:28] [INFO ] [Nat]Absence check using state equation in 3732 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:29] [INFO ] [Real]Absence check using 102 positive place invariants in 175 ms returned sat
[2026-05-25 05:07:30] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 244 ms returned sat
[2026-05-25 05:07:33] [INFO ] [Real]Absence check using state equation in 3841 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:35] [INFO ] [Real]Absence check using 102 positive place invariants in 112 ms returned sat
[2026-05-25 05:07:35] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 453 ms returned sat
[2026-05-25 05:07:38] [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: Broken pipe ... 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: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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 05:07:39] [INFO ] [Real]Absence check using 102 positive place invariants in 104 ms returned sat
[2026-05-25 05:07:40] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 220 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Real]Absence check using state equation in 3031 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:45] [INFO ] Deduced a trap composed of 27 places in 1866 ms of which 136 ms to minimize.
[2026-05-25 05:07:45] [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 7
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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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 05:07:46] [INFO ] [Real]Absence check using 102 positive place invariants in 105 ms returned sat
[2026-05-25 05:07:46] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 256 ms returned sat
[2026-05-25 05:07:49] [INFO ] [Real]Absence check using state equation in 2747 ms returned sat
[2026-05-25 05:07:49] [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 05:07:49] [INFO ] [Nat]Absence check using 102 positive place invariants in 111 ms returned sat
[2026-05-25 05:07:50] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 222 ms returned sat
[2026-05-25 05:07:52] [INFO ] [Nat]Absence check using state equation in 2158 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:54] [INFO ] Deduced a trap composed of 22 places in 2175 ms of which 140 ms to minimize.
[2026-05-25 05:07:54] [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 8
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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
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 05:07:55] [INFO ] [Real]Absence check using 102 positive place invariants in 119 ms returned sat
[2026-05-25 05:07:55] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 221 ms returned sat
[2026-05-25 05:07:58] [INFO ] [Real]Absence check using state equation in 3092 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:00] [INFO ] Deduced a trap composed of 29 places in 1797 ms of which 133 ms to minimize.
[2026-05-25 05:08:00] [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 9
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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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 05:08:01] [INFO ] [Real]Absence check using 102 positive place invariants in 107 ms returned sat
[2026-05-25 05:08:02] [INFO ] [Real]Absence check using 102 positive and 331 generalized place invariants in 266 ms returned sat
[2026-05-25 05:08:04] [INFO ] [Real]Absence check using state equation in 2732 ms returned sat
[2026-05-25 05:08:04] [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 05:08:05] [INFO ] [Nat]Absence check using 102 positive place invariants in 102 ms returned sat
[2026-05-25 05:08:06] [INFO ] [Nat]Absence check using 102 positive and 331 generalized place invariants in 288 ms returned sat
[2026-05-25 05:08:09] [INFO ] [Nat]Absence check using state equation in 2917 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:11] [INFO ] Deduced a trap composed of 22 places in 2223 ms of which 140 ms to minimize.
[2026-05-25 05:08:11] [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 10
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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
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, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 11 out of 4410 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4410/4410 places, 5405/5405 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1028 transitions
Trivial Post-agglo rules discarded 1028 transitions
Performed 1028 trivial Post agglomeration. Transition count delta: 1028
Iterating post reduction 0 with 1028 rules applied. Total rules applied 1028 place count 4410 transition count 4377
Reduce places removed 1028 places and 0 transitions.
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 1074 rules applied. Total rules applied 2102 place count 3382 transition count 4331
Reduce places removed 12 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 14 rules applied. Total rules applied 2116 place count 3370 transition count 4329
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2118 place count 3368 transition count 4329
Performed 1024 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1024 Pre rules applied. Total rules applied 2118 place count 3368 transition count 3305
Deduced a syphon composed of 1024 places in 25 ms
Ensure Unique test removed 103 places
Reduce places removed 1127 places and 0 transitions.
Iterating global reduction 4 with 2151 rules applied. Total rules applied 4269 place count 2241 transition count 3305
Discarding 10 places :
Implicit places reduction removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 63 transitions
Trivial Post-agglo rules discarded 63 transitions
Performed 63 trivial Post agglomeration. Transition count delta: 63
Iterating post reduction 4 with 73 rules applied. Total rules applied 4342 place count 2231 transition count 3242
Reduce places removed 63 places and 0 transitions.
Iterating post reduction 5 with 63 rules applied. Total rules applied 4405 place count 2168 transition count 3242
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 40 Pre rules applied. Total rules applied 4405 place count 2168 transition count 3202
Deduced a syphon composed of 40 places in 7 ms
Ensure Unique test removed 40 places
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 6 with 120 rules applied. Total rules applied 4525 place count 2088 transition count 3202
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 40 Pre rules applied. Total rules applied 4525 place count 2088 transition count 3162
Deduced a syphon composed of 40 places in 26 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 6 with 80 rules applied. Total rules applied 4605 place count 2048 transition count 3162
Discarding 141 places :
Symmetric choice reduction at 6 with 141 rule applications. Total rules 4746 place count 1907 transition count 3021
Iterating global reduction 6 with 141 rules applied. Total rules applied 4887 place count 1907 transition count 3021
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 4888 place count 1907 transition count 3020
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 45 Pre rules applied. Total rules applied 4888 place count 1907 transition count 2975
Deduced a syphon composed of 45 places in 24 ms
Ensure Unique test removed 1 places
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 7 with 91 rules applied. Total rules applied 4979 place count 1861 transition count 2975
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 4979 place count 1861 transition count 2974
Deduced a syphon composed of 1 places in 8 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 3 rules applied. Total rules applied 4982 place count 1859 transition count 2974
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 4993 place count 1848 transition count 2905
Iterating global reduction 7 with 11 rules applied. Total rules applied 5004 place count 1848 transition count 2905
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 10 Pre rules applied. Total rules applied 5004 place count 1848 transition count 2895
Deduced a syphon composed of 10 places in 7 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 5024 place count 1838 transition count 2895
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5025 place count 1837 transition count 2887
Iterating global reduction 7 with 1 rules applied. Total rules applied 5026 place count 1837 transition count 2887
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5027 place count 1836 transition count 2879
Iterating global reduction 7 with 1 rules applied. Total rules applied 5028 place count 1836 transition count 2879
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5029 place count 1835 transition count 2871
Iterating global reduction 7 with 1 rules applied. Total rules applied 5030 place count 1835 transition count 2871
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5031 place count 1834 transition count 2863
Iterating global reduction 7 with 1 rules applied. Total rules applied 5032 place count 1834 transition count 2863
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5033 place count 1833 transition count 2855
Iterating global reduction 7 with 1 rules applied. Total rules applied 5034 place count 1833 transition count 2855
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5035 place count 1832 transition count 2847
Iterating global reduction 7 with 1 rules applied. Total rules applied 5036 place count 1832 transition count 2847
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5037 place count 1831 transition count 2839
Iterating global reduction 7 with 1 rules applied. Total rules applied 5038 place count 1831 transition count 2839
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5039 place count 1830 transition count 2831
Iterating global reduction 7 with 1 rules applied. Total rules applied 5040 place count 1830 transition count 2831
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5041 place count 1829 transition count 2823
Iterating global reduction 7 with 1 rules applied. Total rules applied 5042 place count 1829 transition count 2823
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5043 place count 1828 transition count 2815
Iterating global reduction 7 with 1 rules applied. Total rules applied 5044 place count 1828 transition count 2815
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5045 place count 1827 transition count 2807
Iterating global reduction 7 with 1 rules applied. Total rules applied 5046 place count 1827 transition count 2807
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5047 place count 1826 transition count 2799
Iterating global reduction 7 with 1 rules applied. Total rules applied 5048 place count 1826 transition count 2799
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5049 place count 1825 transition count 2791
Iterating global reduction 7 with 1 rules applied. Total rules applied 5050 place count 1825 transition count 2791
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5051 place count 1824 transition count 2783
Iterating global reduction 7 with 1 rules applied. Total rules applied 5052 place count 1824 transition count 2783
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5053 place count 1823 transition count 2775
Iterating global reduction 7 with 1 rules applied. Total rules applied 5054 place count 1823 transition count 2775
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5055 place count 1822 transition count 2767
Iterating global reduction 7 with 1 rules applied. Total rules applied 5056 place count 1822 transition count 2767
Performed 257 Post agglomeration using F-continuation condition.Transition count delta: 257
Deduced a syphon composed of 257 places in 5 ms
Reduce places removed 257 places and 0 transitions.
Iterating global reduction 7 with 514 rules applied. Total rules applied 5570 place count 1565 transition count 2510
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5571 place count 1564 transition count 2509
Iterating global reduction 7 with 1 rules applied. Total rules applied 5572 place count 1564 transition count 2509
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 5573 place count 1563 transition count 2508
Iterating global reduction 7 with 1 rules applied. Total rules applied 5574 place count 1563 transition count 2508
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 3 rules applied. Total rules applied 5577 place count 1562 transition count 2506
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 5578 place count 1561 transition count 2506
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 5580 place count 1560 transition count 2515
Free-agglomeration rule applied 13 times.
Iterating global reduction 9 with 13 rules applied. Total rules applied 5593 place count 1560 transition count 2502
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 5606 place count 1547 transition count 2502
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 10 with 10 rules applied. Total rules applied 5616 place count 1547 transition count 2492
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 10 with 10 rules applied. Total rules applied 5626 place count 1537 transition count 2492
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 5627 place count 1536 transition count 2491
Reduce places removed 20 places and 0 transitions.
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 11 with 28 rules applied. Total rules applied 5655 place count 1516 transition count 2483
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 9 rules applied. Total rules applied 5664 place count 1508 transition count 2482
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 5665 place count 1507 transition count 2482
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 32 Pre rules applied. Total rules applied 5665 place count 1507 transition count 2450
Deduced a syphon composed of 32 places in 6 ms
Ensure Unique test removed 1 places
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 14 with 65 rules applied. Total rules applied 5730 place count 1474 transition count 2450
Discarding 11 places :
Implicit places reduction removed 11 places
Iterating post reduction 14 with 11 rules applied. Total rules applied 5741 place count 1463 transition count 2450
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 15 with 1 Pre rules applied. Total rules applied 5741 place count 1463 transition count 2449
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 5743 place count 1462 transition count 2449
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 6 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 15 with 38 rules applied. Total rules applied 5781 place count 1443 transition count 2430
Discarding 10 places :
Symmetric choice reduction at 15 with 10 rule applications. Total rules 5791 place count 1433 transition count 2420
Iterating global reduction 15 with 10 rules applied. Total rules applied 5801 place count 1433 transition count 2420
Free-agglomeration rule applied 10 times.
Iterating global reduction 15 with 10 rules applied. Total rules applied 5811 place count 1433 transition count 2410
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 15 with 10 rules applied. Total rules applied 5821 place count 1423 transition count 2410
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 5822 place count 1423 transition count 2410
Applied a total of 5822 rules in 3684 ms. Remains 1423 /4410 variables (removed 2987) and now considering 2410/5405 (removed 2995) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3697 ms. Remains : 1423/4410 places, 2410/5405 transitions.
// Phase 1: matrix 2410 rows 1423 cols
[2026-05-25 05:08:15] [INFO ] Computed 245 invariants in 89 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (9467 resets) in 4546 ms. (219 steps per ms)
FORMULA ASLink-PT-10b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-10b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 9000009 steps (8319 resets) in 16377 ms. (549 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-25 05:08:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:36] [INFO ] [Real]Absence check using 64 positive place invariants in 240 ms returned sat
[2026-05-25 05:08:36] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 36 ms returned sat
[2026-05-25 05:08:37] [INFO ] [Real]Absence check using state equation in 1028 ms returned sat
[2026-05-25 05:08:37] [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 05:08:38] [INFO ] [Nat]Absence check using 64 positive place invariants in 37 ms returned sat
[2026-05-25 05:08:38] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 35 ms returned sat
[2026-05-25 05:08:39] [INFO ] [Nat]Absence check using state equation in 1016 ms returned sat
[2026-05-25 05:08:39] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 171 ms.
[2026-05-25 05:08:59] [INFO ] Added : 565 causal constraints over 113 iterations in 20089 ms.(timeout) Result :sat
Minimization took 3014 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:02] [INFO ] [Real]Absence check using 64 positive place invariants in 29 ms returned sat
[2026-05-25 05:09:02] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 64 ms returned sat
[2026-05-25 05:09:03] [INFO ] [Real]Absence check using state equation in 1061 ms returned sat
[2026-05-25 05:09:03] [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 05:09:04] [INFO ] [Nat]Absence check using 64 positive place invariants in 22 ms returned sat
[2026-05-25 05:09:04] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 57 ms returned sat
[2026-05-25 05:09:05] [INFO ] [Nat]Absence check using state equation in 949 ms returned sat
[2026-05-25 05:09:05] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 173 ms.
[2026-05-25 05:09:25] [INFO ] Added : 495 causal constraints over 99 iterations in 20240 ms.(timeout) Result :sat
Minimization took 2520 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:28] [INFO ] [Real]Absence check using 64 positive place invariants in 18 ms returned sat
[2026-05-25 05:09:28] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 40 ms returned sat
[2026-05-25 05:09:29] [INFO ] [Real]Absence check using state equation in 730 ms returned sat
[2026-05-25 05:09:29] [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 05:09:29] [INFO ] [Nat]Absence check using 64 positive place invariants in 71 ms returned sat
[2026-05-25 05:09:29] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 64 ms returned sat
[2026-05-25 05:09:30] [INFO ] [Nat]Absence check using state equation in 739 ms returned sat
[2026-05-25 05:09:30] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 122 ms.
[2026-05-25 05:09:50] [INFO ] Added : 520 causal constraints over 104 iterations in 20343 ms.(timeout) Result :sat
Minimization took 2026 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:53] [INFO ] [Real]Absence check using 64 positive place invariants in 49 ms returned sat
[2026-05-25 05:09:53] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 76 ms returned sat
[2026-05-25 05:09:54] [INFO ] [Real]Absence check using state equation in 1088 ms returned sat
[2026-05-25 05:09:54] [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 05:09:54] [INFO ] [Nat]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:09:54] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 40 ms returned sat
[2026-05-25 05:09:55] [INFO ] [Nat]Absence check using state equation in 948 ms returned sat
[2026-05-25 05:09:55] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 122 ms.
[2026-05-25 05:10:15] [INFO ] Added : 575 causal constraints over 115 iterations in 20158 ms.(timeout) Result :sat
Minimization took 2687 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:18] [INFO ] [Real]Absence check using 64 positive place invariants in 17 ms returned sat
[2026-05-25 05:10:18] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 33 ms returned sat
[2026-05-25 05:10:19] [INFO ] [Real]Absence check using state equation in 907 ms returned sat
[2026-05-25 05:10:19] [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 05:10:20] [INFO ] [Nat]Absence check using 64 positive place invariants in 27 ms returned sat
[2026-05-25 05:10:20] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 50 ms returned sat
[2026-05-25 05:10:21] [INFO ] [Nat]Absence check using state equation in 1123 ms returned sat
[2026-05-25 05:10:21] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 149 ms.
[2026-05-25 05:10:41] [INFO ] Added : 595 causal constraints over 119 iterations in 20054 ms.(timeout) Result :sat
Minimization took 2388 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:44] [INFO ] [Real]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:10:44] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 46 ms returned sat
[2026-05-25 05:10:45] [INFO ] [Real]Absence check using state equation in 890 ms returned sat
[2026-05-25 05:10:45] [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 05:10:45] [INFO ] [Nat]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:10:45] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 52 ms returned sat
[2026-05-25 05:10:46] [INFO ] [Nat]Absence check using state equation in 898 ms returned sat
[2026-05-25 05:10:46] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 154 ms.
[2026-05-25 05:11:06] [INFO ] Added : 550 causal constraints over 110 iterations in 20166 ms.(timeout) Result :sat
Minimization took 2878 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:10] [INFO ] [Real]Absence check using 64 positive place invariants in 20 ms returned sat
[2026-05-25 05:11:10] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 43 ms returned sat
[2026-05-25 05:11:10] [INFO ] [Real]Absence check using state equation in 700 ms returned sat
[2026-05-25 05:11:10] [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 05:11:11] [INFO ] [Nat]Absence check using 64 positive place invariants in 21 ms returned sat
[2026-05-25 05:11:11] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 45 ms returned sat
[2026-05-25 05:11:12] [INFO ] [Nat]Absence check using state equation in 1733 ms returned sat
[2026-05-25 05:11:13] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 106 ms.
[2026-05-25 05:11:33] [INFO ] Added : 570 causal constraints over 114 iterations in 20184 ms.(timeout) Result :sat
Minimization took 1682 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:35] [INFO ] [Real]Absence check using 64 positive place invariants in 20 ms returned sat
[2026-05-25 05:11:35] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 57 ms returned sat
[2026-05-25 05:11:36] [INFO ] [Real]Absence check using state equation in 918 ms returned sat
[2026-05-25 05:11:36] [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 05:11:36] [INFO ] [Nat]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:11:36] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 35 ms returned sat
[2026-05-25 05:11:37] [INFO ] [Nat]Absence check using state equation in 822 ms returned sat
[2026-05-25 05:11:37] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 147 ms.
[2026-05-25 05:11:46] [INFO ] Added : 191 causal constraints over 39 iterations in 8735 ms. Result :sat
Minimization took 2169 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:11:48] [INFO ] [Real]Absence check using 64 positive place invariants in 20 ms returned sat
[2026-05-25 05:11:48] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 83 ms returned sat
[2026-05-25 05:11:49] [INFO ] [Real]Absence check using state equation in 791 ms returned sat
[2026-05-25 05:11:49] [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 05:11:49] [INFO ] [Nat]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:11:49] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 36 ms returned sat
[2026-05-25 05:11:50] [INFO ] [Nat]Absence check using state equation in 841 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:11:51] [INFO ] Deduced a trap composed of 73 places in 208 ms of which 34 ms to minimize.
[2026-05-25 05:11:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 357 ms
[2026-05-25 05:11:51] [INFO ] Computed and/alt/rep : 974/3768/974 causal constraints (skipped 1387 transitions) in 126 ms.
[2026-05-25 05:12:11] [INFO ] Added : 555 causal constraints over 111 iterations in 20031 ms.(timeout) Result :sat
Minimization took 1725 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA ASLink-PT-10b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ASLink-PT-10b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ASLink-PT-10b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
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 1423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1423/1423 places, 2410/2410 transitions.
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 0 with 1 rules applied. Total rules applied 1 place count 1423 transition count 2409
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1422 transition count 2409
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 2 place count 1422 transition count 2406
Deduced a syphon composed of 3 places in 5 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 1419 transition count 2406
Applied a total of 8 rules in 168 ms. Remains 1419 /1423 variables (removed 4) and now considering 2406/2410 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 1419/1423 places, 2406/2410 transitions.
// Phase 1: matrix 2406 rows 1419 cols
[2026-05-25 05:12:52] [INFO ] Computed 245 invariants in 33 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 (9522 resets) in 4359 ms. (229 steps per ms)
BEST_FIRST walk for 6000004 steps (5524 resets) in 11387 ms. (526 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 05:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:13:07] [INFO ] [Real]Absence check using 64 positive place invariants in 18 ms returned sat
[2026-05-25 05:13:08] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 92 ms returned sat
[2026-05-25 05:13:08] [INFO ] [Real]Absence check using state equation in 846 ms returned sat
[2026-05-25 05:13:09] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 142 ms.
[2026-05-25 05:13:09] [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 05:13:09] [INFO ] [Nat]Absence check using 64 positive place invariants in 19 ms returned sat
[2026-05-25 05:13:09] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 33 ms returned sat
[2026-05-25 05:13:11] [INFO ] [Nat]Absence check using state equation in 1057 ms returned sat
[2026-05-25 05:13:11] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 129 ms.
[2026-05-25 05:13:31] [INFO ] Added : 595 causal constraints over 119 iterations in 20185 ms.(timeout) Result :sat
Minimization took 2971 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:13:34] [INFO ] [Real]Absence check using 64 positive place invariants in 47 ms returned sat
[2026-05-25 05:13:34] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 56 ms returned sat
[2026-05-25 05:13:35] [INFO ] [Real]Absence check using state equation in 931 ms returned sat
[2026-05-25 05:13:35] [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 05:13:36] [INFO ] [Nat]Absence check using 64 positive place invariants in 34 ms returned sat
[2026-05-25 05:13:36] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 46 ms returned sat
[2026-05-25 05:13:37] [INFO ] [Nat]Absence check using state equation in 970 ms returned sat
[2026-05-25 05:13:37] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 111 ms.
[2026-05-25 05:13:57] [INFO ] Added : 525 causal constraints over 105 iterations in 20044 ms.(timeout) Result :sat
Minimization took 3673 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:14:01] [INFO ] [Real]Absence check using 64 positive place invariants in 22 ms returned sat
[2026-05-25 05:14:01] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 40 ms returned sat
[2026-05-25 05:14:01] [INFO ] [Real]Absence check using state equation in 776 ms returned sat
[2026-05-25 05:14:02] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 103 ms.
[2026-05-25 05:14:02] [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 05:14:02] [INFO ] [Nat]Absence check using 64 positive place invariants in 45 ms returned sat
[2026-05-25 05:14:03] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 66 ms returned sat
[2026-05-25 05:14:03] [INFO ] [Nat]Absence check using state equation in 855 ms returned sat
[2026-05-25 05:14:04] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 157 ms.
[2026-05-25 05:14:24] [INFO ] Added : 535 causal constraints over 107 iterations in 20075 ms.(timeout) Result :sat
Minimization took 2001 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:14:26] [INFO ] [Real]Absence check using 64 positive place invariants in 28 ms returned sat
[2026-05-25 05:14:26] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 53 ms returned sat
[2026-05-25 05:14:27] [INFO ] [Real]Absence check using state equation in 887 ms returned sat
[2026-05-25 05:14:27] [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 05:14:27] [INFO ] [Nat]Absence check using 64 positive place invariants in 31 ms returned sat
[2026-05-25 05:14:27] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 80 ms returned sat
[2026-05-25 05:14:28] [INFO ] [Nat]Absence check using state equation in 811 ms returned sat
[2026-05-25 05:14:28] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 114 ms.
[2026-05-25 05:14:48] [INFO ] Added : 535 causal constraints over 107 iterations in 20122 ms.(timeout) Result :sat
Minimization took 1940 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:14:51] [INFO ] [Real]Absence check using 64 positive place invariants in 17 ms returned sat
[2026-05-25 05:14:51] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 53 ms returned sat
[2026-05-25 05:14:52] [INFO ] [Real]Absence check using state equation in 849 ms returned sat
[2026-05-25 05:14:52] [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 05:14:52] [INFO ] [Nat]Absence check using 64 positive place invariants in 21 ms returned sat
[2026-05-25 05:14:52] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 46 ms returned sat
[2026-05-25 05:14:53] [INFO ] [Nat]Absence check using state equation in 857 ms returned sat
[2026-05-25 05:14:53] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 142 ms.
[2026-05-25 05:15:00] [INFO ] Added : 166 causal constraints over 34 iterations in 6997 ms. Result :sat
Minimization took 1805 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:15:02] [INFO ] [Real]Absence check using 64 positive place invariants in 18 ms returned sat
[2026-05-25 05:15:02] [INFO ] [Real]Absence check using 64 positive and 181 generalized place invariants in 38 ms returned sat
[2026-05-25 05:15:03] [INFO ] [Real]Absence check using state equation in 921 ms returned sat
[2026-05-25 05:15:03] [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 05:15:03] [INFO ] [Nat]Absence check using 64 positive place invariants in 21 ms returned sat
[2026-05-25 05:15:03] [INFO ] [Nat]Absence check using 64 positive and 181 generalized place invariants in 38 ms returned sat
[2026-05-25 05:15:04] [INFO ] [Nat]Absence check using state equation in 932 ms returned sat
[2026-05-25 05:15:05] [INFO ] Computed and/alt/rep : 970/3764/970 causal constraints (skipped 1387 transitions) in 128 ms.
[2026-05-25 05:15:24] [INFO ] Added : 595 causal constraints over 119 iterations in 20091 ms.(timeout) Result :sat
Minimization took 3791 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 1419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1419/1419 places, 2406/2406 transitions.
Applied a total of 0 rules in 60 ms. Remains 1419 /1419 variables (removed 0) and now considering 2406/2406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 1419/1419 places, 2406/2406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1419/1419 places, 2406/2406 transitions.
Applied a total of 0 rules in 57 ms. Remains 1419 /1419 variables (removed 0) and now considering 2406/2406 (removed 0) transitions.
[2026-05-25 05:16:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:16:04] [INFO ] Implicit Places using invariants in 1579 ms returned [1, 19, 21, 33, 50, 68, 137, 141, 150, 151, 153, 170, 188, 257, 261, 262, 274, 277, 294, 312, 382, 386, 387, 398, 399, 401, 418, 436, 505, 509, 510, 521, 522, 524, 542, 560, 629, 633, 634, 645, 646, 648, 665, 683, 752, 756, 757, 768, 769, 771, 788, 806, 876, 880, 881, 892, 893, 895, 912, 930, 999, 1003, 1004, 1015, 1016, 1018, 1035, 1053, 1122, 1126, 1127, 1138, 1139, 1141, 1158, 1176, 1245, 1249, 1250, 1253, 1264, 1265, 1266, 1284, 1286, 1290, 1308, 1309, 1310, 1311, 1323, 1329, 1335, 1341, 1347, 1353, 1359, 1365, 1371, 1377, 1383]
[2026-05-25 05:16:04] [INFO ] Actually due to overlaps returned [1284, 1266, 50, 170, 277, 294, 418, 542, 665, 788, 912, 1035, 1158, 1290, 33, 153, 401, 524, 648, 771, 895, 1018, 1141, 150, 398, 521, 645, 768, 892, 1015, 1138, 1264, 1308, 151, 274, 399, 522, 646, 769, 893, 1016, 1139, 1265, 1286, 1309, 1, 19, 261, 262, 386, 387, 509, 510, 633, 634, 756, 757, 880, 881, 1003, 1004, 1126, 1127, 1249, 1250, 68, 188, 312, 436, 560, 683, 806, 930, 1053, 1176, 1310, 1353, 1371, 1383, 21, 1253, 1311, 1323, 1329, 1335, 1341, 1347, 1359, 1365, 1377]
Discarding 90 places :
Implicit Place search using SMT only with invariants took 1587 ms to find 90 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1329/1419 places, 2406/2406 transitions.
Discarding 10 places :
Implicit places reduction removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 186 transitions
Trivial Post-agglo rules discarded 186 transitions
Performed 186 trivial Post agglomeration. Transition count delta: 186
Iterating post reduction 0 with 196 rules applied. Total rules applied 196 place count 1319 transition count 2220
Reduce places removed 186 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 195 rules applied. Total rules applied 391 place count 1133 transition count 2211
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 393 place count 1131 transition count 2211
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 43 Pre rules applied. Total rules applied 393 place count 1131 transition count 2168
Deduced a syphon composed of 43 places in 8 ms
Ensure Unique test removed 1 places
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 87 rules applied. Total rules applied 480 place count 1087 transition count 2168
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 492 place count 1083 transition count 2160
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 500 place count 1075 transition count 2160
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 515 place count 1060 transition count 2145
Iterating global reduction 5 with 15 rules applied. Total rules applied 530 place count 1060 transition count 2145
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 533 place count 1060 transition count 2142
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 533 place count 1060 transition count 2141
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 535 place count 1059 transition count 2141
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 538 place count 1056 transition count 2135
Iterating global reduction 6 with 3 rules applied. Total rules applied 541 place count 1056 transition count 2135
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 542 place count 1055 transition count 2134
Iterating global reduction 6 with 1 rules applied. Total rules applied 543 place count 1055 transition count 2134
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 544 place count 1054 transition count 2132
Iterating global reduction 6 with 1 rules applied. Total rules applied 545 place count 1054 transition count 2132
Performed 69 Post agglomeration using F-continuation condition.Transition count delta: 69
Deduced a syphon composed of 69 places in 4 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 6 with 138 rules applied. Total rules applied 683 place count 985 transition count 2063
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 693 place count 975 transition count 2053
Iterating global reduction 6 with 10 rules applied. Total rules applied 703 place count 975 transition count 2053
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 711 place count 975 transition count 2045
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 715 place count 973 transition count 2046
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 7 with 3 rules applied. Total rules applied 718 place count 973 transition count 2043
Free-agglomeration rule (complex) applied 24 times.
Iterating global reduction 7 with 24 rules applied. Total rules applied 742 place count 973 transition count 2019
Ensure Unique test removed 1 places
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 767 place count 948 transition count 2019
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 768 place count 948 transition count 2018
Partial Free-agglomeration rule applied 30 times.
Drop transitions (Partial Free agglomeration) removed 30 transitions
Iterating global reduction 8 with 30 rules applied. Total rules applied 798 place count 948 transition count 2018
Applied a total of 798 rules in 774 ms. Remains 948 /1329 variables (removed 381) and now considering 2018/2406 (removed 388) transitions.
// Phase 1: matrix 2018 rows 948 cols
[2026-05-25 05:16:05] [INFO ] Computed 139 invariants in 45 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:16:06] [INFO ] Implicit Places using invariants in 917 ms returned [74, 91, 97, 100, 102, 103, 106, 107, 159, 188, 196, 197, 251, 269, 275, 278, 280, 285, 286, 338, 355, 361, 364, 366, 371, 372, 425, 442, 448, 451, 453, 458, 459, 511, 528, 534, 537, 539, 544, 545, 598, 615, 621, 624, 626, 631, 632, 684, 701, 707, 710, 712, 717, 718, 770, 787, 793, 796, 798, 803, 804, 856, 873, 879, 882, 884]
[2026-05-25 05:16:06] [INFO ] Actually due to overlaps returned [106, 196, 285, 371, 458, 544, 631, 717, 803, 107, 197, 286, 372, 459, 545, 632, 718, 804, 91, 97, 102, 269, 275, 280, 355, 361, 366, 442, 448, 453, 528, 534, 539, 615, 621, 626, 701, 707, 712, 787, 793, 798, 873, 879, 884, 74, 103, 159, 188, 251, 338, 425, 511, 598, 684, 770, 856]
Discarding 57 places :
Implicit Place search using SMT only with invariants took 934 ms to find 57 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 891/1419 places, 2018/2406 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 855 transition count 1982
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 855 transition count 1982
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 81 place count 846 transition count 1973
Iterating global reduction 0 with 9 rules applied. Total rules applied 90 place count 846 transition count 1973
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 2 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 128 place count 827 transition count 1954
Free-agglomeration rule applied 27 times.
Iterating global reduction 0 with 27 rules applied. Total rules applied 155 place count 827 transition count 1927
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 182 place count 800 transition count 1927
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 1 with 8 rules applied. Total rules applied 190 place count 800 transition count 1919
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 198 place count 792 transition count 1919
Applied a total of 198 rules in 226 ms. Remains 792 /891 variables (removed 99) and now considering 1919/2018 (removed 99) transitions.
// Phase 1: matrix 1919 rows 792 cols
[2026-05-25 05:16:06] [INFO ] Computed 82 invariants in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:16:07] [INFO ] Implicit Places using invariants in 812 ms returned []
[2026-05-25 05:16:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:16:09] [INFO ] Implicit Places using invariants and state equation in 2104 ms returned []
Implicit Place search using SMT with State Equation took 2918 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 792/1419 places, 1919/2406 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 6502 ms. Remains : 792/1419 places, 1919/2406 transitions.
[2026-05-25 05:16:09] [INFO ] Invariant cache hit.
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 (15691 resets) in 3022 ms. (330 steps per ms)
BEST_FIRST walk for 6000005 steps (12239 resets) in 6170 ms. (972 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 05:16:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:19] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 05:16:19] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 20 ms returned sat
[2026-05-25 05:16:19] [INFO ] [Real]Absence check using state equation in 719 ms returned sat
[2026-05-25 05:16:20] [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 05:16:20] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:16:20] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 18 ms returned sat
[2026-05-25 05:16:20] [INFO ] [Nat]Absence check using state equation in 753 ms returned sat
[2026-05-25 05:16:21] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 97 ms.
[2026-05-25 05:16:24] [INFO ] Added : 107 causal constraints over 22 iterations in 3784 ms. Result :sat
Minimization took 1333 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:26] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 05:16:26] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 19 ms returned sat
[2026-05-25 05:16:27] [INFO ] [Real]Absence check using state equation in 697 ms returned sat
[2026-05-25 05:16:27] [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 05:16:27] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 05:16:27] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 28 ms returned sat
[2026-05-25 05:16:28] [INFO ] [Nat]Absence check using state equation in 697 ms returned sat
[2026-05-25 05:16:28] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 111 ms.
[2026-05-25 05:16:30] [INFO ] Added : 95 causal constraints over 19 iterations in 2668 ms. Result :sat
Minimization took 991 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:31] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:16:31] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 20 ms returned sat
[2026-05-25 05:16:32] [INFO ] [Real]Absence check using state equation in 458 ms returned sat
[2026-05-25 05:16:32] [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 05:16:32] [INFO ] [Nat]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-25 05:16:32] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 43 ms returned sat
[2026-05-25 05:16:33] [INFO ] [Nat]Absence check using state equation in 567 ms returned sat
[2026-05-25 05:16:33] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 111 ms.
[2026-05-25 05:16:35] [INFO ] Added : 67 causal constraints over 14 iterations in 2557 ms. Result :sat
Minimization took 932 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:37] [INFO ] [Real]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-25 05:16:37] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 38 ms returned sat
[2026-05-25 05:16:37] [INFO ] [Real]Absence check using state equation in 542 ms returned sat
[2026-05-25 05:16:37] [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 05:16:37] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:16:37] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 20 ms returned sat
[2026-05-25 05:16:38] [INFO ] [Nat]Absence check using state equation in 473 ms returned sat
[2026-05-25 05:16:38] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 170 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:16:40] [INFO ] Deduced a trap composed of 13 places in 102 ms of which 6 ms to minimize.
[2026-05-25 05:16:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 237 ms
[2026-05-25 05:16:40] [INFO ] Added : 61 causal constraints over 13 iterations in 2174 ms. Result :sat
Minimization took 913 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:41] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 05:16:41] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 33 ms returned sat
[2026-05-25 05:16:42] [INFO ] [Real]Absence check using state equation in 673 ms returned sat
[2026-05-25 05:16:42] [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 05:16:42] [INFO ] [Nat]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-25 05:16:42] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 42 ms returned sat
[2026-05-25 05:16:43] [INFO ] [Nat]Absence check using state equation in 673 ms returned sat
[2026-05-25 05:16:43] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 135 ms.
[2026-05-25 05:16:45] [INFO ] Added : 34 causal constraints over 7 iterations in 1520 ms. Result :sat
Minimization took 834 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:16:46] [INFO ] [Real]Absence check using 16 positive place invariants in 15 ms returned sat
[2026-05-25 05:16:46] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 50 ms returned sat
[2026-05-25 05:16:46] [INFO ] [Real]Absence check using state equation in 708 ms returned sat
[2026-05-25 05:16:47] [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 05:16:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 05:16:47] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 21 ms returned sat
[2026-05-25 05:16:47] [INFO ] [Nat]Absence check using state equation in 652 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:16:48] [INFO ] Deduced a trap composed of 13 places in 139 ms of which 7 ms to minimize.
[2026-05-25 05:16:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 337 ms
[2026-05-25 05:16:48] [INFO ] Computed and/alt/rep : 491/2206/491 causal constraints (skipped 1379 transitions) in 166 ms.
[2026-05-25 05:16:49] [INFO ] Added : 48 causal constraints over 10 iterations in 1664 ms. Result :sat
Minimization took 854 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
FORMULA ASLink-PT-10b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
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 792 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 792/792 places, 1919/1919 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 791 transition count 1918
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 791 transition count 1917
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 790 transition count 1917
Applied a total of 4 rules in 91 ms. Remains 790 /792 variables (removed 2) and now considering 1917/1919 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91 ms. Remains : 790/792 places, 1917/1919 transitions.
// Phase 1: matrix 1917 rows 790 cols
[2026-05-25 05:16:53] [INFO ] Computed 82 invariants in 25 ms
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 (15592 resets) in 2812 ms. (355 steps per ms)
BEST_FIRST walk for 5000004 steps (10177 resets) in 4906 ms. (1018 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 05:17:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:01] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:01] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 22 ms returned sat
[2026-05-25 05:17:02] [INFO ] [Real]Absence check using state equation in 702 ms returned sat
[2026-05-25 05:17:02] [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 05:17:02] [INFO ] [Nat]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-25 05:17:02] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 37 ms returned sat
[2026-05-25 05:17:03] [INFO ] [Nat]Absence check using state equation in 685 ms returned sat
[2026-05-25 05:17:03] [INFO ] Computed and/alt/rep : 482/2148/482 causal constraints (skipped 1386 transitions) in 140 ms.
[2026-05-25 05:17:07] [INFO ] Added : 99 causal constraints over 20 iterations in 3682 ms. Result :sat
Minimization took 1216 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:08] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:17:08] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 26 ms returned sat
[2026-05-25 05:17:09] [INFO ] [Real]Absence check using state equation in 601 ms returned sat
[2026-05-25 05:17:09] [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 05:17:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:09] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 22 ms returned sat
[2026-05-25 05:17:10] [INFO ] [Nat]Absence check using state equation in 726 ms returned sat
[2026-05-25 05:17:10] [INFO ] Computed and/alt/rep : 482/2148/482 causal constraints (skipped 1386 transitions) in 145 ms.
[2026-05-25 05:17:13] [INFO ] Added : 88 causal constraints over 18 iterations in 3137 ms. Result :sat
Minimization took 995 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:14] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 05:17:14] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 21 ms returned sat
[2026-05-25 05:17:15] [INFO ] [Real]Absence check using state equation in 659 ms returned sat
[2026-05-25 05:17:15] [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 05:17:15] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:15] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 55 ms returned sat
[2026-05-25 05:17:16] [INFO ] [Nat]Absence check using state equation in 658 ms returned sat
[2026-05-25 05:17:16] [INFO ] Computed and/alt/rep : 482/2148/482 causal constraints (skipped 1386 transitions) in 129 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:17:18] [INFO ] Deduced a trap composed of 13 places in 199 ms of which 10 ms to minimize.
[2026-05-25 05:17:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 374 ms
[2026-05-25 05:17:19] [INFO ] Added : 58 causal constraints over 13 iterations in 2692 ms. Result :sat
Minimization took 877 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:20] [INFO ] [Real]Absence check using 16 positive place invariants in 20 ms returned sat
[2026-05-25 05:17:20] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 42 ms returned sat
[2026-05-25 05:17:21] [INFO ] [Real]Absence check using state equation in 655 ms returned sat
[2026-05-25 05:17:21] [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 05:17:21] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:17:21] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 46 ms returned sat
[2026-05-25 05:17:22] [INFO ] [Nat]Absence check using state equation in 751 ms returned sat
[2026-05-25 05:17:22] [INFO ] Computed and/alt/rep : 482/2148/482 causal constraints (skipped 1386 transitions) in 130 ms.
[2026-05-25 05:17:24] [INFO ] Added : 86 causal constraints over 18 iterations in 2619 ms. Result :sat
Minimization took 835 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:25] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 05:17:25] [INFO ] [Real]Absence check using 16 positive and 66 generalized place invariants in 21 ms returned sat
[2026-05-25 05:17:26] [INFO ] [Real]Absence check using state equation in 719 ms returned sat
[2026-05-25 05:17:26] [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 05:17:26] [INFO ] [Nat]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-25 05:17:26] [INFO ] [Nat]Absence check using 16 positive and 66 generalized place invariants in 51 ms returned sat
[2026-05-25 05:17:27] [INFO ] [Nat]Absence check using state equation in 807 ms returned sat
[2026-05-25 05:17:27] [INFO ] Computed and/alt/rep : 482/2148/482 causal constraints (skipped 1386 transitions) in 118 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:17:30] [INFO ] Deduced a trap composed of 13 places in 110 ms of which 7 ms to minimize.
[2026-05-25 05:17:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 292 ms
[2026-05-25 05:17:30] [INFO ] Added : 77 causal constraints over 16 iterations in 2983 ms. Result :sat
Minimization took 826 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-10b-UpperBounds-03 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 790 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 790/790 places, 1917/1917 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 790 transition count 1916
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 789 transition count 1916
Applied a total of 2 rules in 36 ms. Remains 789 /790 variables (removed 1) and now considering 1916/1917 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 789/790 places, 1916/1917 transitions.
// Phase 1: matrix 1916 rows 789 cols
[2026-05-25 05:17:33] [INFO ] Computed 82 invariants in 40 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (15793 resets) in 2879 ms. (347 steps per ms)
BEST_FIRST walk for 4000004 steps (8142 resets) in 3996 ms. (1000 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 05:17:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:40] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2026-05-25 05:17:41] [INFO ] [Real]Absence check using 17 positive and 65 generalized place invariants in 18 ms returned sat
[2026-05-25 05:17:41] [INFO ] [Real]Absence check using state equation in 631 ms returned sat
[2026-05-25 05:17:41] [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 05:17:41] [INFO ] [Nat]Absence check using 17 positive place invariants in 14 ms returned sat
[2026-05-25 05:17:41] [INFO ] [Nat]Absence check using 17 positive and 65 generalized place invariants in 29 ms returned sat
[2026-05-25 05:17:42] [INFO ] [Nat]Absence check using state equation in 769 ms returned sat
[2026-05-25 05:17:42] [INFO ] Computed and/alt/rep : 473/2068/473 causal constraints (skipped 1394 transitions) in 107 ms.
[2026-05-25 05:17:45] [INFO ] Added : 79 causal constraints over 17 iterations in 2702 ms. Result :sat
Minimization took 2026 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:47] [INFO ] [Real]Absence check using 17 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:47] [INFO ] [Real]Absence check using 17 positive and 65 generalized place invariants in 47 ms returned sat
[2026-05-25 05:17:48] [INFO ] [Real]Absence check using state equation in 787 ms returned sat
[2026-05-25 05:17:48] [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 05:17:48] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2026-05-25 05:17:48] [INFO ] [Nat]Absence check using 17 positive and 65 generalized place invariants in 20 ms returned sat
[2026-05-25 05:17:49] [INFO ] [Nat]Absence check using state equation in 784 ms returned sat
[2026-05-25 05:17:49] [INFO ] Computed and/alt/rep : 473/2068/473 causal constraints (skipped 1394 transitions) in 117 ms.
[2026-05-25 05:17:52] [INFO ] Added : 78 causal constraints over 16 iterations in 2740 ms. Result :sat
Minimization took 911 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:53] [INFO ] [Real]Absence check using 17 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:53] [INFO ] [Real]Absence check using 17 positive and 65 generalized place invariants in 46 ms returned sat
[2026-05-25 05:17:54] [INFO ] [Real]Absence check using state equation in 717 ms returned sat
[2026-05-25 05:17:54] [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 05:17:54] [INFO ] [Nat]Absence check using 17 positive place invariants in 9 ms returned sat
[2026-05-25 05:17:54] [INFO ] [Nat]Absence check using 17 positive and 65 generalized place invariants in 19 ms returned sat
[2026-05-25 05:17:55] [INFO ] [Nat]Absence check using state equation in 1194 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:17:55] [INFO ] Deduced a trap composed of 23 places in 164 ms of which 17 ms to minimize.
[2026-05-25 05:17:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 316 ms
[2026-05-25 05:17:56] [INFO ] Computed and/alt/rep : 473/2068/473 causal constraints (skipped 1394 transitions) in 129 ms.
[2026-05-25 05:17:57] [INFO ] Added : 21 causal constraints over 5 iterations in 985 ms. Result :sat
Minimization took 771 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:17:58] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2026-05-25 05:17:58] [INFO ] [Real]Absence check using 17 positive and 65 generalized place invariants in 17 ms returned sat
[2026-05-25 05:17:58] [INFO ] [Real]Absence check using state equation in 607 ms returned sat
[2026-05-25 05:17:58] [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 05:17:58] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2026-05-25 05:17:58] [INFO ] [Nat]Absence check using 17 positive and 65 generalized place invariants in 16 ms returned sat
[2026-05-25 05:17:59] [INFO ] [Nat]Absence check using state equation in 712 ms returned sat
[2026-05-25 05:17:59] [INFO ] Computed and/alt/rep : 473/2068/473 causal constraints (skipped 1394 transitions) in 127 ms.
[2026-05-25 05:18:00] [INFO ] Added : 12 causal constraints over 3 iterations in 561 ms. Result :sat
Minimization took 882 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 789 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 789/789 places, 1916/1916 transitions.
Applied a total of 0 rules in 31 ms. Remains 789 /789 variables (removed 0) and now considering 1916/1916 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 789/789 places, 1916/1916 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 789/789 places, 1916/1916 transitions.
Applied a total of 0 rules in 33 ms. Remains 789 /789 variables (removed 0) and now considering 1916/1916 (removed 0) transitions.
[2026-05-25 05:18:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:18:04] [INFO ] Implicit Places using invariants in 731 ms returned []
[2026-05-25 05:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:18:07] [INFO ] Implicit Places using invariants and state equation in 2830 ms returned []
Implicit Place search using SMT with State Equation took 3574 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:18:07] [INFO ] Redundant transitions in 163 ms returned []
Running 1867 sub problems to find dead transitions.
[2026-05-25 05:18:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/788 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1867 unsolved
SMT process timed out in 30755ms, After SMT, problems are : Problem set: 0 solved, 1867 unsolved
Search for dead transitions found 0 dead transitions in 30782ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34575 ms. Remains : 789/789 places, 1916/1916 transitions.
RANDOM walk for 40000 steps (627 resets) in 1189 ms. (33 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (78 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (76 resets) in 226 ms. (176 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (80 resets) in 211 ms. (188 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (77 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (78 resets) in 214 ms. (186 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (78 resets) in 199 ms. (200 steps per ms) remains 8/8 properties
[2026-05-25 05:18:39] [INFO ] Flatten gal took : 283 ms
BEST_FIRST walk for 40003 steps (76 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (79 resets) in 197 ms. (202 steps per ms) remains 8/8 properties
[2026-05-25 05:18:39] [INFO ] Flatten gal took : 140 ms
[2026-05-25 05:18:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2849429314924888495.gal : 77 ms
[2026-05-25 05:18:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8780729146535869039.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/ReachabilityCardinality2849429314924888495.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8780729146535869039.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/ReachabilityCardinality8780729146535869039.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 12
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :12 after 24
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :24 after 36
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :36 after 122
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :122 after 48896
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :48896 after 6.07068e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :6.07068e+09 after 9.55919e+09
Invariant property MIN3 does not hold.
Reachability property MAX3 is true.
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :9.55919e+09 after 9.56593e+09
Invariant property MIN2 does not hold.
Reachability property MAX2 is true.
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 1025 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,9.56593e+09,1.23595,31172,2,17182,19,47079,6,0,5075,16491,0
Total reachable state count : 9565932608

Verifying 8 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
MAX0,1,1.24067,31172,2,790,19,47079,7,0,5078,16491,0
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
MIN0,1,1.24394,31172,2,790,19,47079,8,0,5079,16491,0
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
MAX1,1,1.24745,31172,2,790,19,47079,9,0,5081,16491,0
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
MIN1,1,1.25055,31172,2,790,19,47079,10,0,5082,16491,0
Reachability property MAX2 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
MAX2,6,1.254,31172,2,900,19,47079,11,0,5084,16491,0
Invariant property MIN2 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
MIN2,6,1.25724,31172,2,900,19,47079,12,0,5085,16491,0
Reachability property MAX3 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
MAX3,122,1.26029,31172,2,1455,19,47079,13,0,5087,16491,0
Invariant property MIN3 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
MIN3,122,1.26313,31172,2,1455,19,47079,14,0,5088,16491,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 119228 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 8
Probabilistic random walk after 119228 steps, saw 53684 distinct states, run finished after 3006 ms. (steps per millisecond=39 ) properties seen :0
FORMULA ASLink-PT-10b-UpperBounds-15 1 TECHNIQUES REACHABILITY_MAX
FORMULA ASLink-PT-10b-UpperBounds-07 1 TECHNIQUES REACHABILITY_MAX
FORMULA ASLink-PT-10b-UpperBounds-02 1 TECHNIQUES REACHABILITY_MAX
FORMULA ASLink-PT-10b-UpperBounds-01 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 4 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 719035 ms.

BK_STOP 1779686322361

--------------------
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-10b"
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-10b, 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-oct2-177944372400055"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-10b.tgz
mv ASLink-PT-10b 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 ;