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-oct2-177944372400047.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-06b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.0K Mar 5 14:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 5 14:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 5 14:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 5 14:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 5 14:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 161K Mar 5 14:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 5 14:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 5 14:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:09 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 921K 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-06b-UpperBounds-00
FORMULA_NAME ASLink-PT-06b-UpperBounds-01
FORMULA_NAME ASLink-PT-06b-UpperBounds-02
FORMULA_NAME ASLink-PT-06b-UpperBounds-03
FORMULA_NAME ASLink-PT-06b-UpperBounds-04
FORMULA_NAME ASLink-PT-06b-UpperBounds-05
FORMULA_NAME ASLink-PT-06b-UpperBounds-06
FORMULA_NAME ASLink-PT-06b-UpperBounds-07
FORMULA_NAME ASLink-PT-06b-UpperBounds-08
FORMULA_NAME ASLink-PT-06b-UpperBounds-09
FORMULA_NAME ASLink-PT-06b-UpperBounds-10
FORMULA_NAME ASLink-PT-06b-UpperBounds-11
FORMULA_NAME ASLink-PT-06b-UpperBounds-12
FORMULA_NAME ASLink-PT-06b-UpperBounds-13
FORMULA_NAME ASLink-PT-06b-UpperBounds-14
FORMULA_NAME ASLink-PT-06b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685508704

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-06b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:05:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 05:05:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:05:11] [INFO ] Load time of PNML (sax parser for PT used): 319 ms
[2026-05-25 05:05:11] [INFO ] Transformed 2826 places.
[2026-05-25 05:05:11] [INFO ] Transformed 3513 transitions.
[2026-05-25 05:05:11] [INFO ] Found NUPN structural information;
[2026-05-25 05:05:11] [INFO ] Parsed PT model containing 2826 places and 3513 transitions and 10709 arcs in 672 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 21 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 3513 rows 2826 cols
[2026-05-25 05:05:11] [INFO ] Computed 277 invariants in 193 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 (15 resets) in 136 ms. (72 steps per ms)
FORMULA ASLink-PT-06b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ASLink-PT-06b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 98 ms. (505 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 05:05:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:13] [INFO ] [Real]Absence check using 65 positive place invariants in 164 ms returned sat
[2026-05-25 05:05:13] [INFO ] [Real]Absence check using 65 positive and 212 generalized place invariants in 206 ms returned sat
[2026-05-25 05:05:16] [INFO ] [Real]Absence check using state equation in 2591 ms returned sat
[2026-05-25 05:05:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:17] [INFO ] [Nat]Absence check using 65 positive place invariants in 79 ms returned sat
[2026-05-25 05:05:17] [INFO ] [Nat]Absence check using 65 positive and 212 generalized place invariants in 254 ms returned sat
[2026-05-25 05:05:20] [INFO ] [Nat]Absence check using state equation in 3330 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:21] [INFO ] [Real]Absence check using 65 positive place invariants in 67 ms returned sat
[2026-05-25 05:05:21] [INFO ] [Real]Absence check using 65 positive and 212 generalized place invariants in 298 ms returned sat
[2026-05-25 05:05:24] [INFO ] [Real]Absence check using state equation in 2461 ms returned sat
[2026-05-25 05:05:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:25] [INFO ] [Nat]Absence check using 65 positive place invariants in 138 ms returned sat
[2026-05-25 05:05:25] [INFO ] [Nat]Absence check using 65 positive and 212 generalized place invariants in 236 ms returned sat
[2026-05-25 05:05:27] [INFO ] [Nat]Absence check using state equation in 2069 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:29] [INFO ] Deduced a trap composed of 43 places in 1246 ms of which 121 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:30] [INFO ] Deduced a trap composed of 44 places in 974 ms of which 106 ms to minimize.
[2026-05-25 05:05:30] [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 1
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 05:05:31] [INFO ] [Real]Absence check using 65 positive place invariants in 118 ms returned sat
[2026-05-25 05:05:31] [INFO ] [Real]Absence check using 65 positive and 212 generalized place invariants in 201 ms returned sat
[2026-05-25 05:05:33] [INFO ] [Real]Absence check using state equation in 2026 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:34] [INFO ] Deduced a trap composed of 30 places in 1168 ms of which 114 ms to minimize.
[2026-05-25 05:05:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:35] [INFO ] [Nat]Absence check using 65 positive place invariants in 64 ms returned sat
[2026-05-25 05:05:35] [INFO ] [Nat]Absence check using 65 positive and 212 generalized place invariants in 124 ms returned sat
[2026-05-25 05:05:38] [INFO ] [Nat]Absence check using state equation in 2863 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:40] [INFO ] Deduced a trap composed of 20 places in 1919 ms of which 185 ms to minimize.
[2026-05-25 05:05:40] [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 2
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 05:05:41] [INFO ] [Real]Absence check using 65 positive place invariants in 62 ms returned sat
[2026-05-25 05:05:41] [INFO ] [Real]Absence check using 65 positive and 212 generalized place invariants in 251 ms returned sat
[2026-05-25 05:05:45] [INFO ] [Real]Absence check using state equation in 3222 ms returned sat
[2026-05-25 05:05:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:45] [INFO ] [Nat]Absence check using 65 positive place invariants in 104 ms returned sat
[2026-05-25 05:05:46] [INFO ] [Nat]Absence check using 65 positive and 212 generalized place invariants in 154 ms returned sat
[2026-05-25 05:05:49] [INFO ] [Nat]Absence check using state equation in 3654 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:50] [INFO ] Deduced a trap composed of 148 places in 579 ms of which 108 ms to minimize.
[2026-05-25 05:05:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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 05:05:51] [INFO ] [Real]Absence check using 65 positive place invariants in 64 ms returned sat
[2026-05-25 05:05:51] [INFO ] [Real]Absence check using 65 positive and 212 generalized place invariants in 223 ms returned sat
[2026-05-25 05:05:53] [INFO ] [Real]Absence check using state equation in 2534 ms returned sat
[2026-05-25 05:05:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:05:54] [INFO ] [Nat]Absence check using 65 positive place invariants in 67 ms returned sat
[2026-05-25 05:05:54] [INFO ] [Nat]Absence check using 65 positive and 212 generalized place invariants in 147 ms returned sat
[2026-05-25 05:05:57] [INFO ] [Nat]Absence check using state equation in 2306 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:58] [INFO ] Deduced a trap composed of 26 places in 1449 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:01] [INFO ] Deduced a trap composed of 29 places in 2179 ms of which 93 ms to minimize.
[2026-05-25 05:06:01] [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 4
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] Max Struct:[1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Support contains 5 out of 2826 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2826/2826 places, 3513/3513 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 654 transitions
Trivial Post-agglo rules discarded 654 transitions
Performed 654 trivial Post agglomeration. Transition count delta: 654
Iterating post reduction 0 with 654 rules applied. Total rules applied 654 place count 2826 transition count 2859
Reduce places removed 654 places and 0 transitions.
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 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 1 with 684 rules applied. Total rules applied 1338 place count 2172 transition count 2829
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 9 rules applied. Total rules applied 1347 place count 2164 transition count 2828
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1348 place count 2163 transition count 2828
Performed 654 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 654 Pre rules applied. Total rules applied 1348 place count 2163 transition count 2174
Deduced a syphon composed of 654 places in 5 ms
Ensure Unique test removed 63 places
Reduce places removed 717 places and 0 transitions.
Iterating global reduction 4 with 1371 rules applied. Total rules applied 2719 place count 1446 transition count 2174
Discarding 6 places :
Implicit places reduction removed 6 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 4 with 45 rules applied. Total rules applied 2764 place count 1440 transition count 2135
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 5 with 39 rules applied. Total rules applied 2803 place count 1401 transition count 2135
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 24 Pre rules applied. Total rules applied 2803 place count 1401 transition count 2111
Deduced a syphon composed of 24 places in 8 ms
Ensure Unique test removed 24 places
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 6 with 72 rules applied. Total rules applied 2875 place count 1353 transition count 2111
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 24 Pre rules applied. Total rules applied 2875 place count 1353 transition count 2087
Deduced a syphon composed of 24 places in 7 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 6 with 48 rules applied. Total rules applied 2923 place count 1329 transition count 2087
Discarding 89 places :
Symmetric choice reduction at 6 with 89 rule applications. Total rules 3012 place count 1240 transition count 1998
Iterating global reduction 6 with 89 rules applied. Total rules applied 3101 place count 1240 transition count 1998
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 3102 place count 1240 transition count 1997
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 29 Pre rules applied. Total rules applied 3102 place count 1240 transition count 1968
Deduced a syphon composed of 29 places in 11 ms
Ensure Unique test removed 1 places
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 7 with 59 rules applied. Total rules applied 3161 place count 1210 transition count 1968
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 3161 place count 1210 transition count 1967
Deduced a syphon composed of 1 places in 11 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 3164 place count 1208 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 3171 place count 1201 transition count 1922
Iterating global reduction 7 with 7 rules applied. Total rules applied 3178 place count 1201 transition count 1922
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 6 Pre rules applied. Total rules applied 3178 place count 1201 transition count 1916
Deduced a syphon composed of 6 places in 5 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 3190 place count 1195 transition count 1916
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3191 place count 1194 transition count 1908
Iterating global reduction 7 with 1 rules applied. Total rules applied 3192 place count 1194 transition count 1908
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3193 place count 1193 transition count 1900
Iterating global reduction 7 with 1 rules applied. Total rules applied 3194 place count 1193 transition count 1900
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3195 place count 1192 transition count 1892
Iterating global reduction 7 with 1 rules applied. Total rules applied 3196 place count 1192 transition count 1892
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3197 place count 1191 transition count 1884
Iterating global reduction 7 with 1 rules applied. Total rules applied 3198 place count 1191 transition count 1884
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3199 place count 1190 transition count 1876
Iterating global reduction 7 with 1 rules applied. Total rules applied 3200 place count 1190 transition count 1876
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3201 place count 1189 transition count 1868
Iterating global reduction 7 with 1 rules applied. Total rules applied 3202 place count 1189 transition count 1868
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3203 place count 1188 transition count 1860
Iterating global reduction 7 with 1 rules applied. Total rules applied 3204 place count 1188 transition count 1860
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3205 place count 1187 transition count 1852
Iterating global reduction 7 with 1 rules applied. Total rules applied 3206 place count 1187 transition count 1852
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3207 place count 1186 transition count 1844
Iterating global reduction 7 with 1 rules applied. Total rules applied 3208 place count 1186 transition count 1844
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3209 place count 1185 transition count 1836
Iterating global reduction 7 with 1 rules applied. Total rules applied 3210 place count 1185 transition count 1836
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3211 place count 1184 transition count 1828
Iterating global reduction 7 with 1 rules applied. Total rules applied 3212 place count 1184 transition count 1828
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3213 place count 1183 transition count 1820
Iterating global reduction 7 with 1 rules applied. Total rules applied 3214 place count 1183 transition count 1820
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3215 place count 1182 transition count 1812
Iterating global reduction 7 with 1 rules applied. Total rules applied 3216 place count 1182 transition count 1812
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3217 place count 1181 transition count 1804
Iterating global reduction 7 with 1 rules applied. Total rules applied 3218 place count 1181 transition count 1804
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3219 place count 1180 transition count 1796
Iterating global reduction 7 with 1 rules applied. Total rules applied 3220 place count 1180 transition count 1796
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3221 place count 1179 transition count 1788
Iterating global reduction 7 with 1 rules applied. Total rules applied 3222 place count 1179 transition count 1788
Performed 163 Post agglomeration using F-continuation condition.Transition count delta: 163
Deduced a syphon composed of 163 places in 4 ms
Reduce places removed 163 places and 0 transitions.
Iterating global reduction 7 with 326 rules applied. Total rules applied 3548 place count 1016 transition count 1625
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3549 place count 1015 transition count 1624
Ensure Unique test removed 1 places
Iterating global reduction 7 with 2 rules applied. Total rules applied 3551 place count 1014 transition count 1624
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 3552 place count 1013 transition count 1623
Iterating global reduction 7 with 1 rules applied. Total rules applied 3553 place count 1013 transition count 1623
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 7 with 2 rules applied. Total rules applied 3555 place count 1013 transition count 1621
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 3556 place count 1012 transition count 1621
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 3558 place count 1011 transition count 1630
Free-agglomeration rule applied 7 times.
Iterating global reduction 9 with 7 rules applied. Total rules applied 3565 place count 1011 transition count 1623
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 9 with 7 rules applied. Total rules applied 3572 place count 1004 transition count 1623
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 10 with 6 rules applied. Total rules applied 3578 place count 1004 transition count 1617
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 3584 place count 998 transition count 1617
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 3585 place count 997 transition count 1616
Reduce places removed 11 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 11 with 16 rules applied. Total rules applied 3601 place count 986 transition count 1611
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 3606 place count 981 transition count 1611
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 16 Pre rules applied. Total rules applied 3606 place count 981 transition count 1595
Deduced a syphon composed of 16 places in 11 ms
Ensure Unique test removed 1 places
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 13 with 33 rules applied. Total rules applied 3639 place count 964 transition count 1595
Discarding 7 places :
Implicit places reduction removed 7 places
Iterating post reduction 13 with 7 rules applied. Total rules applied 3646 place count 957 transition count 1595
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 1 Pre rules applied. Total rules applied 3646 place count 957 transition count 1594
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 3648 place count 956 transition count 1594
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 4 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 14 with 26 rules applied. Total rules applied 3674 place count 943 transition count 1581
Discarding 6 places :
Symmetric choice reduction at 14 with 6 rule applications. Total rules 3680 place count 937 transition count 1575
Iterating global reduction 14 with 6 rules applied. Total rules applied 3686 place count 937 transition count 1575
Free-agglomeration rule applied 6 times.
Iterating global reduction 14 with 6 rules applied. Total rules applied 3692 place count 937 transition count 1569
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 3698 place count 931 transition count 1569
Applied a total of 3698 rules in 2325 ms. Remains 931 /2826 variables (removed 1895) and now considering 1569/3513 (removed 1944) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2358 ms. Remains : 931/2826 places, 1569/3513 transitions.
// Phase 1: matrix 1569 rows 931 cols
[2026-05-25 05:06:03] [INFO ] Computed 162 invariants in 35 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 (11120 resets) in 3494 ms. (286 steps per ms)
FORMULA ASLink-PT-06b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4000004 steps (7236 resets) in 5895 ms. (678 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 05:06:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:13] [INFO ] [Real]Absence check using 43 positive place invariants in 30 ms returned sat
[2026-05-25 05:06:13] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 50 ms returned sat
[2026-05-25 05:06:14] [INFO ] [Real]Absence check using state equation in 861 ms returned sat
[2026-05-25 05:06:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:14] [INFO ] [Nat]Absence check using 43 positive place invariants in 14 ms returned sat
[2026-05-25 05:06:14] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 31 ms returned sat
[2026-05-25 05:06:15] [INFO ] [Nat]Absence check using state equation in 643 ms returned sat
[2026-05-25 05:06:15] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 164 ms.
[2026-05-25 05:06:17] [INFO ] Added : 88 causal constraints over 18 iterations in 2691 ms. Result :sat
Minimization took 1039 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:19] [INFO ] [Real]Absence check using 43 positive place invariants in 15 ms returned sat
[2026-05-25 05:06:19] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 96 ms returned sat
[2026-05-25 05:06:19] [INFO ] [Real]Absence check using state equation in 521 ms returned sat
[2026-05-25 05:06:19] [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 05:06:20] [INFO ] [Nat]Absence check using 43 positive place invariants in 27 ms returned sat
[2026-05-25 05:06:20] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 49 ms returned sat
[2026-05-25 05:06:21] [INFO ] [Nat]Absence check using state equation in 841 ms returned sat
[2026-05-25 05:06:21] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 130 ms.
[2026-05-25 05:06:33] [INFO ] Added : 449 causal constraints over 90 iterations in 12400 ms. Result :sat
Minimization took 1553 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:35] [INFO ] [Real]Absence check using 43 positive place invariants in 78 ms returned sat
[2026-05-25 05:06:35] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 68 ms returned sat
[2026-05-25 05:06:35] [INFO ] [Real]Absence check using state equation in 531 ms returned sat
[2026-05-25 05:06:36] [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 05:06:36] [INFO ] [Nat]Absence check using 43 positive place invariants in 31 ms returned sat
[2026-05-25 05:06:36] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 53 ms returned sat
[2026-05-25 05:06:36] [INFO ] [Nat]Absence check using state equation in 528 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:37] [INFO ] Deduced a trap composed of 19 places in 364 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:37] [INFO ] Deduced a trap composed of 49 places in 589 ms of which 92 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:38] [INFO ] Deduced a trap composed of 73 places in 346 ms of which 55 ms to minimize.
[2026-05-25 05:06:38] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1566 ms
[2026-05-25 05:06:38] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 116 ms.
[2026-05-25 05:06:51] [INFO ] Added : 428 causal constraints over 86 iterations in 12888 ms. Result :sat
Minimization took 1309 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:52] [INFO ] [Real]Absence check using 43 positive place invariants in 14 ms returned sat
[2026-05-25 05:06:52] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 47 ms returned sat
[2026-05-25 05:06:53] [INFO ] [Real]Absence check using state equation in 824 ms returned sat
[2026-05-25 05:06:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:06:53] [INFO ] [Nat]Absence check using 43 positive place invariants in 27 ms returned sat
[2026-05-25 05:06:54] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 47 ms returned sat
[2026-05-25 05:06:55] [INFO ] [Nat]Absence check using state equation in 1436 ms returned sat
[2026-05-25 05:06:55] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 114 ms.
[2026-05-25 05:07:00] [INFO ] Added : 150 causal constraints over 30 iterations in 4963 ms. Result :sat
Minimization took 1672 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 931 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 931/931 places, 1569/1569 transitions.
Applied a total of 0 rules in 29 ms. Remains 931 /931 variables (removed 0) and now considering 1569/1569 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 931/931 places, 1569/1569 transitions.
[2026-05-25 05:07:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (11153 resets) in 3177 ms. (314 steps per ms)
FORMULA ASLink-PT-06b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000003 steps (5411 resets) in 4428 ms. (677 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:07:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:12] [INFO ] [Real]Absence check using 43 positive place invariants in 18 ms returned sat
[2026-05-25 05:07:12] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 184 ms returned sat
[2026-05-25 05:07:13] [INFO ] [Real]Absence check using state equation in 533 ms returned sat
[2026-05-25 05:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:13] [INFO ] [Nat]Absence check using 43 positive place invariants in 15 ms returned sat
[2026-05-25 05:07:13] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 24 ms returned sat
[2026-05-25 05:07:14] [INFO ] [Nat]Absence check using state equation in 573 ms returned sat
[2026-05-25 05:07:14] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 112 ms.
[2026-05-25 05:07:17] [INFO ] Added : 88 causal constraints over 18 iterations in 3035 ms. Result :sat
Minimization took 1014 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:18] [INFO ] [Real]Absence check using 43 positive place invariants in 15 ms returned sat
[2026-05-25 05:07:18] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 27 ms returned sat
[2026-05-25 05:07:19] [INFO ] [Real]Absence check using state equation in 636 ms returned sat
[2026-05-25 05:07:19] [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 05:07:19] [INFO ] [Nat]Absence check using 43 positive place invariants in 27 ms returned sat
[2026-05-25 05:07:19] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 42 ms returned sat
[2026-05-25 05:07:20] [INFO ] [Nat]Absence check using state equation in 1392 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:21] [INFO ] Deduced a trap composed of 19 places in 522 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:22] [INFO ] Deduced a trap composed of 49 places in 656 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:22] [INFO ] Deduced a trap composed of 73 places in 424 ms of which 55 ms to minimize.
[2026-05-25 05:07:22] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1827 ms
[2026-05-25 05:07:22] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 185 ms.
[2026-05-25 05:07:34] [INFO ] Added : 428 causal constraints over 86 iterations in 11226 ms. Result :sat
Minimization took 1276 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:35] [INFO ] [Real]Absence check using 43 positive place invariants in 19 ms returned sat
[2026-05-25 05:07:35] [INFO ] [Real]Absence check using 43 positive and 119 generalized place invariants in 51 ms returned sat
[2026-05-25 05:07:36] [INFO ] [Real]Absence check using state equation in 651 ms returned sat
[2026-05-25 05:07:36] [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 05:07:36] [INFO ] [Nat]Absence check using 43 positive place invariants in 29 ms returned sat
[2026-05-25 05:07:36] [INFO ] [Nat]Absence check using 43 positive and 119 generalized place invariants in 47 ms returned sat
[2026-05-25 05:07:37] [INFO ] [Nat]Absence check using state equation in 677 ms returned sat
[2026-05-25 05:07:37] [INFO ] Computed and/alt/rep : 627/2418/627 causal constraints (skipped 909 transitions) in 116 ms.
[2026-05-25 05:07:42] [INFO ] Added : 150 causal constraints over 30 iterations in 4972 ms. Result :sat
Minimization took 1612 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 931 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 931/931 places, 1569/1569 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 929 transition count 1568
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 3 place count 929 transition count 1566
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 927 transition count 1566
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 926 transition count 1565
Applied a total of 9 rules in 75 ms. Remains 926 /931 variables (removed 5) and now considering 1565/1569 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 926/931 places, 1565/1569 transitions.
// Phase 1: matrix 1565 rows 926 cols
[2026-05-25 05:07:46] [INFO ] Computed 161 invariants in 24 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (11399 resets) in 3129 ms. (319 steps per ms)
BEST_FIRST walk for 3000003 steps (5577 resets) in 4513 ms. (664 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:07:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:54] [INFO ] [Real]Absence check using 43 positive place invariants in 32 ms returned sat
[2026-05-25 05:07:54] [INFO ] [Real]Absence check using 43 positive and 118 generalized place invariants in 37 ms returned sat
[2026-05-25 05:07:54] [INFO ] [Real]Absence check using state equation in 488 ms returned sat
[2026-05-25 05:07:54] [INFO ] Computed and/alt/rep : 621/2421/621 causal constraints (skipped 911 transitions) in 97 ms.
[2026-05-25 05:07:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:55] [INFO ] [Nat]Absence check using 43 positive place invariants in 16 ms returned sat
[2026-05-25 05:07:55] [INFO ] [Nat]Absence check using 43 positive and 118 generalized place invariants in 46 ms returned sat
[2026-05-25 05:07:55] [INFO ] [Nat]Absence check using state equation in 686 ms returned sat
[2026-05-25 05:07:56] [INFO ] Computed and/alt/rep : 621/2421/621 causal constraints (skipped 911 transitions) in 170 ms.
[2026-05-25 05:08:10] [INFO ] Added : 487 causal constraints over 98 iterations in 14316 ms. Result :sat
Minimization took 1583 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:12] [INFO ] [Real]Absence check using 43 positive place invariants in 35 ms returned sat
[2026-05-25 05:08:12] [INFO ] [Real]Absence check using 43 positive and 118 generalized place invariants in 29 ms returned sat
[2026-05-25 05:08:13] [INFO ] [Real]Absence check using state equation in 873 ms returned sat
[2026-05-25 05:08:13] [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 05:08:13] [INFO ] [Nat]Absence check using 43 positive place invariants in 14 ms returned sat
[2026-05-25 05:08:13] [INFO ] [Nat]Absence check using 43 positive and 118 generalized place invariants in 26 ms returned sat
[2026-05-25 05:08:14] [INFO ] [Nat]Absence check using state equation in 628 ms returned sat
[2026-05-25 05:08:14] [INFO ] Computed and/alt/rep : 621/2421/621 causal constraints (skipped 911 transitions) in 112 ms.
[2026-05-25 05:08:18] [INFO ] Added : 139 causal constraints over 28 iterations in 4634 ms. Result :sat
Minimization took 1503 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:20] [INFO ] [Real]Absence check using 43 positive place invariants in 21 ms returned sat
[2026-05-25 05:08:20] [INFO ] [Real]Absence check using 43 positive and 118 generalized place invariants in 65 ms returned sat
[2026-05-25 05:08:21] [INFO ] [Real]Absence check using state equation in 932 ms returned sat
[2026-05-25 05:08:21] [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 05:08:21] [INFO ] [Nat]Absence check using 43 positive place invariants in 15 ms returned sat
[2026-05-25 05:08:21] [INFO ] [Nat]Absence check using 43 positive and 118 generalized place invariants in 66 ms returned sat
[2026-05-25 05:08:23] [INFO ] [Nat]Absence check using state equation in 1250 ms returned sat
[2026-05-25 05:08:23] [INFO ] Computed and/alt/rep : 621/2421/621 causal constraints (skipped 911 transitions) in 121 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:34] [INFO ] Deduced a trap composed of 73 places in 305 ms of which 40 ms to minimize.
[2026-05-25 05:08:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 512 ms
[2026-05-25 05:08:34] [INFO ] Added : 461 causal constraints over 93 iterations in 11748 ms. Result :sat
Minimization took 1253 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 926 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 926/926 places, 1565/1565 transitions.
Applied a total of 0 rules in 33 ms. Remains 926 /926 variables (removed 0) and now considering 1565/1565 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 926/926 places, 1565/1565 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 926/926 places, 1565/1565 transitions.
Applied a total of 0 rules in 32 ms. Remains 926 /926 variables (removed 0) and now considering 1565/1565 (removed 0) transitions.
[2026-05-25 05:08:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:42] [INFO ] Implicit Places using invariants in 3067 ms returned [1, 18, 19, 31, 50, 68, 138, 142, 151, 152, 154, 171, 189, 258, 262, 263, 274, 275, 277, 294, 312, 381, 385, 386, 397, 398, 400, 417, 435, 504, 508, 509, 520, 521, 523, 540, 558, 629, 633, 634, 645, 646, 648, 665, 683, 752, 756, 757, 760, 771, 772, 773, 791, 793, 797, 815, 816, 817, 818, 830, 836, 842, 848, 854, 860, 866, 872, 878, 884, 890]
[2026-05-25 05:08:42] [INFO ] Actually due to overlaps returned [791, 773, 50, 171, 294, 417, 540, 665, 797, 31, 154, 277, 400, 523, 648, 151, 274, 397, 520, 645, 771, 815, 152, 275, 398, 521, 646, 772, 793, 816, 1, 18, 262, 263, 385, 386, 508, 509, 633, 634, 756, 757, 68, 189, 312, 435, 558, 683, 817, 860, 878, 890, 19, 760, 818, 830, 836, 842, 848, 854, 866, 872, 884]
Discarding 63 places :
Implicit Place search using SMT only with invariants took 3083 ms to find 63 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 863/926 places, 1565/1565 transitions.
Discarding 6 places :
Implicit places reduction removed 6 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 126 transitions
Trivial Post-agglo rules discarded 126 transitions
Performed 126 trivial Post agglomeration. Transition count delta: 126
Iterating post reduction 0 with 132 rules applied. Total rules applied 132 place count 857 transition count 1439
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 134 rules applied. Total rules applied 266 place count 731 transition count 1431
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 268 place count 729 transition count 1431
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 31 Pre rules applied. Total rules applied 268 place count 729 transition count 1400
Deduced a syphon composed of 31 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 3 with 63 rules applied. Total rules applied 331 place count 697 transition count 1400
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 343 place count 693 transition count 1392
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 351 place count 685 transition count 1392
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 366 place count 670 transition count 1377
Iterating global reduction 5 with 15 rules applied. Total rules applied 381 place count 670 transition count 1377
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 384 place count 670 transition count 1374
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 384 place count 670 transition count 1373
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 386 place count 669 transition count 1373
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 389 place count 666 transition count 1367
Iterating global reduction 6 with 3 rules applied. Total rules applied 392 place count 666 transition count 1367
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 393 place count 665 transition count 1366
Iterating global reduction 6 with 1 rules applied. Total rules applied 394 place count 665 transition count 1366
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 395 place count 664 transition count 1364
Iterating global reduction 6 with 1 rules applied. Total rules applied 396 place count 664 transition count 1364
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: 45
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 6 with 90 rules applied. Total rules applied 486 place count 619 transition count 1319
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 492 place count 613 transition count 1313
Iterating global reduction 6 with 6 rules applied. Total rules applied 498 place count 613 transition count 1313
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 504 place count 613 transition count 1307
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 508 place count 611 transition count 1308
Free-agglomeration rule (complex) applied 13 times.
Iterating global reduction 7 with 13 rules applied. Total rules applied 521 place count 611 transition count 1295
Ensure Unique test removed 1 places
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 535 place count 597 transition count 1295
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 8 with 18 rules applied. Total rules applied 553 place count 597 transition count 1295
Applied a total of 553 rules in 217 ms. Remains 597 /863 variables (removed 266) and now considering 1295/1565 (removed 270) transitions.
// Phase 1: matrix 1295 rows 597 cols
[2026-05-25 05:08:42] [INFO ] Computed 86 invariants in 31 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:46] [INFO ] Implicit Places using invariants in 3811 ms returned [74, 92, 98, 101, 103, 104, 107, 108, 160, 177, 183, 186, 188, 193, 194, 246, 263, 269, 272, 274, 279, 280, 332, 349, 355, 358, 360, 365, 366, 418, 436, 442, 445, 447, 452, 453, 505, 522, 528, 531, 533]
[2026-05-25 05:08:46] [INFO ] Actually due to overlaps returned [107, 193, 279, 365, 452, 108, 194, 280, 366, 453, 92, 98, 103, 177, 183, 188, 263, 269, 274, 349, 355, 360, 436, 442, 447, 522, 528, 533, 74, 104, 160, 246, 332, 418, 505]
Discarding 35 places :
Implicit Place search using SMT only with invariants took 3824 ms to find 35 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 562/926 places, 1295/1565 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 538 transition count 1271
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 538 transition count 1271
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 54 place count 532 transition count 1265
Iterating global reduction 0 with 6 rules applied. Total rules applied 60 place count 532 transition count 1265
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 84 place count 520 transition count 1253
Free-agglomeration rule applied 18 times.
Iterating global reduction 0 with 18 rules applied. Total rules applied 102 place count 520 transition count 1235
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 120 place count 502 transition count 1235
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 126 place count 502 transition count 1229
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 132 place count 496 transition count 1229
Applied a total of 132 rules in 114 ms. Remains 496 /562 variables (removed 66) and now considering 1229/1295 (removed 66) transitions.
// Phase 1: matrix 1229 rows 496 cols
[2026-05-25 05:08:46] [INFO ] Computed 51 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:47] [INFO ] Implicit Places using invariants in 454 ms returned []
[2026-05-25 05:08:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:49] [INFO ] Implicit Places using invariants and state equation in 2132 ms returned []
Implicit Place search using SMT with State Equation took 2617 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 496/926 places, 1229/1565 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 9918 ms. Remains : 496/926 places, 1229/1565 transitions.
[2026-05-25 05:08:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (17960 resets) in 2065 ms. (484 steps per ms)
BEST_FIRST walk for 3000002 steps (11393 resets) in 2693 ms. (1113 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-25 05:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:54] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:08:54] [INFO ] [Real]Absence check using 11 positive and 40 generalized place invariants in 20 ms returned sat
[2026-05-25 05:08:54] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2026-05-25 05:08:54] [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 05:08:54] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:08:54] [INFO ] [Nat]Absence check using 11 positive and 40 generalized place invariants in 11 ms returned sat
[2026-05-25 05:08:55] [INFO ] [Nat]Absence check using state equation in 334 ms returned sat
[2026-05-25 05:08:55] [INFO ] Computed and/alt/rep : 279/1312/279 causal constraints (skipped 917 transitions) in 133 ms.
[2026-05-25 05:08:56] [INFO ] Added : 44 causal constraints over 9 iterations in 1004 ms. Result :sat
Minimization took 633 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:08:57] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:08:57] [INFO ] [Real]Absence check using 11 positive and 40 generalized place invariants in 30 ms returned sat
[2026-05-25 05:08:57] [INFO ] [Real]Absence check using state equation in 514 ms returned sat
[2026-05-25 05:08:57] [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 05:08:57] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:08:57] [INFO ] [Nat]Absence check using 11 positive and 40 generalized place invariants in 13 ms returned sat
[2026-05-25 05:08:58] [INFO ] [Nat]Absence check using state equation in 604 ms returned sat
[2026-05-25 05:08:58] [INFO ] Computed and/alt/rep : 279/1312/279 causal constraints (skipped 917 transitions) in 80 ms.
[2026-05-25 05:08:59] [INFO ] Added : 84 causal constraints over 17 iterations in 1496 ms. Result :sat
Minimization took 607 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:09:00] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:09:00] [INFO ] [Real]Absence check using 11 positive and 40 generalized place invariants in 33 ms returned sat
[2026-05-25 05:09:01] [INFO ] [Real]Absence check using state equation in 471 ms returned sat
[2026-05-25 05:09:01] [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 05:09:01] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:09:01] [INFO ] [Nat]Absence check using 11 positive and 40 generalized place invariants in 35 ms returned sat
[2026-05-25 05:09:02] [INFO ] [Nat]Absence check using state equation in 632 ms returned sat
[2026-05-25 05:09:02] [INFO ] Computed and/alt/rep : 279/1312/279 causal constraints (skipped 917 transitions) in 78 ms.
[2026-05-25 05:09:03] [INFO ] Added : 58 causal constraints over 12 iterations in 1343 ms. Result :sat
Minimization took 543 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 1] Max Struct:[1, 1, 1]
Support contains 3 out of 496 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 496/496 places, 1229/1229 transitions.
Applied a total of 0 rules in 15 ms. Remains 496 /496 variables (removed 0) and now considering 1229/1229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 496/496 places, 1229/1229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 496/496 places, 1229/1229 transitions.
Applied a total of 0 rules in 14 ms. Remains 496 /496 variables (removed 0) and now considering 1229/1229 (removed 0) transitions.
[2026-05-25 05:09:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:09:05] [INFO ] Implicit Places using invariants in 564 ms returned []
[2026-05-25 05:09:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:09:06] [INFO ] Implicit Places using invariants and state equation in 1535 ms returned []
Implicit Place search using SMT with State Equation took 2101 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:09:06] [INFO ] Redundant transitions in 77 ms returned []
Running 1196 sub problems to find dead transitions.
[2026-05-25 05:09:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/495 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/495 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 1196 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 495/1725 variables, and 45 constraints, problems are : Problem set: 0 solved, 1196 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 37/40 constraints, State Equation: 0/496 constraints, PredecessorRefiner: 1196/1196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/495 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/495 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 1196 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 495/1725 variables, and 45 constraints, problems are : Problem set: 0 solved, 1196 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 37/40 constraints, State Equation: 0/496 constraints, PredecessorRefiner: 0/1196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60623ms problems are : Problem set: 0 solved, 1196 unsolved
Search for dead transitions found 0 dead transitions in 60641ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62868 ms. Remains : 496/496 places, 1229/1229 transitions.
[2026-05-25 05:10:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 1] Max Struct:[1, 1, 1]
FORMULA ASLink-PT-06b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-06b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (17599 resets) in 2020 ms. (494 steps per ms)
BEST_FIRST walk for 1000001 steps (3775 resets) in 869 ms. (1149 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:10:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:10] [INFO ] [Real]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-25 05:10:10] [INFO ] [Real]Absence check using 11 positive and 40 generalized place invariants in 17 ms returned sat
[2026-05-25 05:10:11] [INFO ] [Real]Absence check using state equation in 389 ms returned sat
[2026-05-25 05:10:11] [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 05:10:11] [INFO ] [Nat]Absence check using 11 positive place invariants in 13 ms returned sat
[2026-05-25 05:10:11] [INFO ] [Nat]Absence check using 11 positive and 40 generalized place invariants in 26 ms returned sat
[2026-05-25 05:10:11] [INFO ] [Nat]Absence check using state equation in 610 ms returned sat
[2026-05-25 05:10:12] [INFO ] Computed and/alt/rep : 279/1312/279 causal constraints (skipped 917 transitions) in 80 ms.
[2026-05-25 05:10:13] [INFO ] Added : 84 causal constraints over 17 iterations in 1683 ms. Result :sat
Minimization took 630 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 496 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p245) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 496/496 places, 1228/1228 transitions.
Reduce places removed 1 places and 1 transitions.
Graph (complete) has 3055 edges and 495 vertex of which 494 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 494 transition count 1225
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 492 transition count 1225
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 6 place count 492 transition count 1224
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 491 transition count 1224
Applied a total of 8 rules in 28 ms. Remains 491 /496 variables (removed 5) and now considering 1224/1228 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 491/496 places, 1224/1228 transitions.
// Phase 1: matrix 1224 rows 491 cols
[2026-05-25 05:10:14] [INFO ] Computed 50 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (17711 resets) in 2338 ms. (427 steps per ms)
BEST_FIRST walk for 1000001 steps (3819 resets) in 859 ms. (1162 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:10:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:10:18] [INFO ] [Real]Absence check using 16 positive place invariants in 39 ms returned sat
[2026-05-25 05:10:18] [INFO ] [Real]Absence check using 16 positive and 34 generalized place invariants in 12 ms returned sat
[2026-05-25 05:10:18] [INFO ] [Real]Absence check using state equation in 572 ms returned sat
[2026-05-25 05:10:18] [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 05:10:18] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 05:10:19] [INFO ] [Nat]Absence check using 16 positive and 34 generalized place invariants in 15 ms returned sat
[2026-05-25 05:10:19] [INFO ] [Nat]Absence check using state equation in 494 ms returned sat
[2026-05-25 05:10:19] [INFO ] Computed and/alt/rep : 266/1227/266 causal constraints (skipped 925 transitions) in 81 ms.
[2026-05-25 05:10:21] [INFO ] Added : 54 causal constraints over 12 iterations in 1514 ms. Result :sat
Minimization took 617 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 491 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 491/491 places, 1224/1224 transitions.
Applied a total of 0 rules in 19 ms. Remains 491 /491 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 491/491 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 491/491 places, 1224/1224 transitions.
Applied a total of 0 rules in 18 ms. Remains 491 /491 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2026-05-25 05:10:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:22] [INFO ] Implicit Places using invariants in 491 ms returned []
[2026-05-25 05:10:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:10:23] [INFO ] Implicit Places using invariants and state equation in 1355 ms returned []
Implicit Place search using SMT with State Equation took 1855 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:10:23] [INFO ] Redundant transitions in 98 ms returned []
Running 1191 sub problems to find dead transitions.
[2026-05-25 05:10:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/489 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/489 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 1191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 489/1715 variables, and 42 constraints, problems are : Problem set: 0 solved, 1191 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 11/16 constraints, Generalized P Invariants (flows): 31/34 constraints, State Equation: 0/491 constraints, PredecessorRefiner: 1191/1191 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1191 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/489 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/489 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 1191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/1715 variables, and 42 constraints, problems are : Problem set: 0 solved, 1191 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 11/16 constraints, Generalized P Invariants (flows): 31/34 constraints, State Equation: 0/491 constraints, PredecessorRefiner: 0/1191 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60564ms problems are : Problem set: 0 solved, 1191 unsolved
Search for dead transitions found 0 dead transitions in 60568ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62550 ms. Remains : 491/491 places, 1224/1224 transitions.
RANDOM walk for 40000 steps (723 resets) in 1311 ms. (30 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (152 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (146 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
[2026-05-25 05:11:25] [INFO ] Flatten gal took : 231 ms
[2026-05-25 05:11:25] [INFO ] Flatten gal took : 87 ms
[2026-05-25 05:11:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6342291063506918978.gal : 57 ms
[2026-05-25 05:11:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2640964352085583345.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/ReachabilityCardinality6342291063506918978.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2640964352085583345.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/ReachabilityCardinality2640964352085583345.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 44
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :44 after 328
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :328 after 2448
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :2448 after 109632
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :109632 after 1.09422e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.09422e+06 after 1.14715e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.14715e+06 after 1.15169e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.15169e+06 after 2.21757e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2.21757e+06 after 4.63076e+07
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.5107e+09,1.30361,44628,2,32046,17,92064,6,0,3188,68165,0
Total reachable state count : 1510696498

Verifying 2 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
MAX0,1,1.31222,44628,2,492,17,92064,7,0,3191,68165,0
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
MIN0,1,1.32055,44628,2,492,17,92064,8,0,3192,68165,0
Interrupted probabilistic random walk after 259881 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 2
Probabilistic random walk after 259881 steps, saw 124941 distinct states, run finished after 3008 ms. (steps per millisecond=86 ) properties seen :0
FORMULA ASLink-PT-06b-UpperBounds-13 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 377316 ms.

BK_STOP 1779685888197

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-06b"
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-06b, 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-oct2-177944372400047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-06b.tgz
mv ASLink-PT-06b 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 ;