Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r079-tall-177946972200019.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 CloudReconfiguration-PT-305, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200019
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 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 660K 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 CloudReconfiguration-PT-305-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-305-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556558204

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-305
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:15:59] [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]
[2026-05-23 17:15:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:15:59] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2026-05-23 17:15:59] [INFO ] Transformed 2585 places.
[2026-05-23 17:15:59] [INFO ] Transformed 3095 transitions.
[2026-05-23 17:15:59] [INFO ] Found NUPN structural information;
[2026-05-23 17:15:59] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 249 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 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 3095 rows 2585 cols
[2026-05-23 17:15:59] [INFO ] Computed 4 invariants in 63 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 (82 resets) in 50 ms. (196 steps per ms)
FORMULA CloudReconfiguration-PT-305-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150010 steps (365 resets) in 216 ms. (691 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[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]
[2026-05-23 17:16:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:00] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:16:02] [INFO ] [Real]Absence check using state equation in 1147 ms returned sat
[2026-05-23 17:16:02] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 144 ms.
[2026-05-23 17:16:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:03] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 17:16:04] [INFO ] [Nat]Absence check using state equation in 1193 ms returned sat
[2026-05-23 17:16:05] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 139 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:09] [INFO ] [Real]Absence check using state equation in 1002 ms returned sat
[2026-05-23 17:16:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 124 ms.
[2026-05-23 17:16:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:11] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:16:12] [INFO ] [Nat]Absence check using state equation in 964 ms returned sat
[2026-05-23 17:16:12] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 135 ms.
[2026-05-23 17:16:15] [INFO ] Added : 135 causal constraints over 27 iterations in 3564 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:17] [INFO ] [Real]Absence check using state equation in 971 ms returned sat
[2026-05-23 17:16:17] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 124 ms.
[2026-05-23 17:16:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:18] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:19] [INFO ] [Nat]Absence check using state equation in 939 ms returned sat
[2026-05-23 17:16:19] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 17:16:23] [INFO ] Added : 135 causal constraints over 27 iterations in 3595 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:24] [INFO ] [Real]Absence check using state equation in 1073 ms returned sat
[2026-05-23 17:16:25] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:16:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:26] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:27] [INFO ] [Nat]Absence check using state equation in 1084 ms returned sat
[2026-05-23 17:16:27] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 113 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2026-05-23 17:16:32] [INFO ] [Real]Absence check using state equation in 1170 ms returned sat
[2026-05-23 17:16:32] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:16:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:33] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:35] [INFO ] [Nat]Absence check using state equation in 1104 ms returned sat
[2026-05-23 17:16:35] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 121 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:38] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:39] [INFO ] [Real]Absence check using state equation in 962 ms returned sat
[2026-05-23 17:16:40] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 140 ms.
[2026-05-23 17:16:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:41] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:42] [INFO ] [Nat]Absence check using state equation in 989 ms returned sat
[2026-05-23 17:16:42] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 109 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:47] [INFO ] [Real]Absence check using state equation in 1141 ms returned sat
[2026-05-23 17:16:47] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:16:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:49] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:50] [INFO ] [Nat]Absence check using state equation in 1159 ms returned sat
[2026-05-23 17:16:50] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 123 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:54] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:55] [INFO ] [Real]Absence check using state equation in 964 ms returned sat
[2026-05-23 17:16:55] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 17:16:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:56] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:57] [INFO ] [Nat]Absence check using state equation in 987 ms returned sat
[2026-05-23 17:16:57] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:02] [INFO ] [Real]Absence check using state equation in 989 ms returned sat
[2026-05-23 17:17:02] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 112 ms.
[2026-05-23 17:17:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:04] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:05] [INFO ] [Nat]Absence check using state equation in 1084 ms returned sat
[2026-05-23 17:17:05] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 113 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:09] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:10] [INFO ] [Real]Absence check using state equation in 987 ms returned sat
[2026-05-23 17:17:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:17:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:11] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:12] [INFO ] [Nat]Absence check using state equation in 958 ms returned sat
[2026-05-23 17:17:12] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 17:17:16] [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.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2026-05-23 17:17:17] [INFO ] [Real]Absence check using state equation in 1146 ms returned sat
[2026-05-23 17:17:18] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 115 ms.
[2026-05-23 17:17:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:19] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:20] [INFO ] [Nat]Absence check using state equation in 1172 ms returned sat
[2026-05-23 17:17:20] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:17:23] [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.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:24] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:17:25] [INFO ] [Real]Absence check using state equation in 978 ms returned sat
[2026-05-23 17:17:25] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 126 ms.
[2026-05-23 17:17:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:26] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:27] [INFO ] [Nat]Absence check using state equation in 973 ms returned sat
[2026-05-23 17:17:27] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:17:31] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:32] [INFO ] [Real]Absence check using state equation in 964 ms returned sat
[2026-05-23 17:17:32] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:17:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:34] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:35] [INFO ] [Nat]Absence check using state equation in 959 ms returned sat
[2026-05-23 17:17:35] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 113 ms.
[2026-05-23 17:17:38] [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: Stream close... while checking expression at index 12
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:39] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:17:40] [INFO ] [Real]Absence check using state equation in 1097 ms returned sat
[2026-05-23 17:17:40] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 127 ms.
[2026-05-23 17:17:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:41] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:17:42] [INFO ] [Nat]Absence check using state equation in 1180 ms returned sat
[2026-05-23 17:17:43] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:17:46] [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 13
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:47] [INFO ] [Real]Absence check using state equation in 1070 ms returned sat
[2026-05-23 17:17:48] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 109 ms.
[2026-05-23 17:17:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:49] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:50] [INFO ] [Nat]Absence check using state equation in 1057 ms returned sat
[2026-05-23 17:17:50] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:17:53] [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 14
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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 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]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 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]
Support contains 15 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2926 edges and 2585 vertex of which 845 / 2585 are part of one of the 62 SCC in 11 ms
Free SCC test removed 783 places
Drop transitions (Empty/Sink Transition effects.) removed 954 transitions
Reduce isomorphic transitions removed 954 transitions.
Graph (complete) has 2421 edges and 1802 vertex of which 1788 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.4 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1187 transitions
Trivial Post-agglo rules discarded 1187 transitions
Performed 1187 trivial Post agglomeration. Transition count delta: 1187
Iterating post reduction 0 with 1196 rules applied. Total rules applied 1198 place count 1788 transition count 936
Reduce places removed 1187 places and 0 transitions.
Ensure Unique test removed 77 transitions
Reduce isomorphic transitions removed 77 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 1 with 1325 rules applied. Total rules applied 2523 place count 601 transition count 798
Reduce places removed 61 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 71 rules applied. Total rules applied 2594 place count 540 transition count 788
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 3 with 12 rules applied. Total rules applied 2606 place count 536 transition count 780
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 11 rules applied. Total rules applied 2617 place count 531 transition count 774
Reduce places removed 3 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 5 with 14 rules applied. Total rules applied 2631 place count 528 transition count 763
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 2642 place count 517 transition count 763
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 24 Pre rules applied. Total rules applied 2642 place count 517 transition count 739
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 7 with 48 rules applied. Total rules applied 2690 place count 493 transition count 739
Discarding 77 places :
Symmetric choice reduction at 7 with 77 rule applications. Total rules 2767 place count 416 transition count 662
Iterating global reduction 7 with 77 rules applied. Total rules applied 2844 place count 416 transition count 662
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 8 Pre rules applied. Total rules applied 2844 place count 416 transition count 654
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 2860 place count 408 transition count 654
Discarding 57 places :
Symmetric choice reduction at 7 with 57 rule applications. Total rules 2917 place count 351 transition count 597
Iterating global reduction 7 with 57 rules applied. Total rules applied 2974 place count 351 transition count 597
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 7 with 32 rules applied. Total rules applied 3006 place count 351 transition count 565
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 8 with 24 rules applied. Total rules applied 3030 place count 335 transition count 557
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 3034 place count 331 transition count 557
Discarding 18 places :
Symmetric choice reduction at 10 with 18 rule applications. Total rules 3052 place count 313 transition count 530
Iterating global reduction 10 with 18 rules applied. Total rules applied 3070 place count 313 transition count 530
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 10 with 9 rules applied. Total rules applied 3079 place count 313 transition count 521
Discarding 5 places :
Symmetric choice reduction at 11 with 5 rule applications. Total rules 3084 place count 308 transition count 511
Iterating global reduction 11 with 5 rules applied. Total rules applied 3089 place count 308 transition count 511
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3092 place count 305 transition count 505
Iterating global reduction 11 with 3 rules applied. Total rules applied 3095 place count 305 transition count 505
Performed 159 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 159 places in 1 ms
Reduce places removed 159 places and 0 transitions.
Iterating global reduction 11 with 318 rules applied. Total rules applied 3413 place count 146 transition count 261
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 3416 place count 146 transition count 258
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 12 with 8 rules applied. Total rules applied 3424 place count 142 transition count 254
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 3430 place count 142 transition count 248
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 3434 place count 140 transition count 246
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3438 place count 140 transition count 242
Performed 36 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 14 with 72 rules applied. Total rules applied 3510 place count 104 transition count 278
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 14 with 37 rules applied. Total rules applied 3547 place count 104 transition count 241
Discarding 22 places :
Symmetric choice reduction at 15 with 22 rule applications. Total rules 3569 place count 82 transition count 200
Iterating global reduction 15 with 22 rules applied. Total rules applied 3591 place count 82 transition count 200
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 15 with 12 rules applied. Total rules applied 3603 place count 82 transition count 188
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3608 place count 77 transition count 178
Iterating global reduction 16 with 5 rules applied. Total rules applied 3613 place count 77 transition count 178
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3617 place count 77 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 17 with 12 rules applied. Total rules applied 3629 place count 77 transition count 162
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 3631 place count 76 transition count 161
Free-agglomeration rule applied 3 times.
Iterating global reduction 17 with 3 rules applied. Total rules applied 3634 place count 76 transition count 158
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 3638 place count 73 transition count 157
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3639 place count 73 transition count 156
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3640 place count 72 transition count 155
Iterating global reduction 18 with 1 rules applied. Total rules applied 3641 place count 72 transition count 155
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 18 with 3 rules applied. Total rules applied 3644 place count 72 transition count 155
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3645 place count 72 transition count 154
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 3646 place count 71 transition count 153
Applied a total of 3646 rules in 285 ms. Remains 71 /2585 variables (removed 2514) and now considering 153/3095 (removed 2942) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 293 ms. Remains : 71/2585 places, 153/3095 transitions.
[2026-05-23 17:17:54] [INFO ] Flow matrix only has 146 transitions (discarded 7 similar events)
// Phase 1: matrix 146 rows 71 cols
[2026-05-23 17:17:54] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 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]
FORMULA CloudReconfiguration-PT-305-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (13087 resets) in 980 ms. (1019 steps per ms)
FORMULA CloudReconfiguration-PT-305-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (7557 resets) in 697 ms. (2865 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-23 17:17:56] [INFO ] Flow matrix only has 146 transitions (discarded 7 similar events)
[2026-05-23 17:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:56] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-23 17:17:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 17:17:56] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:17:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:17:56] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 7 ms to minimize.
[2026-05-23 17:17:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 63 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:17:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:17:56] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
[2026-05-23 17:17:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 41 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[0, 0]
FORMULA CloudReconfiguration-PT-305-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 17:17:56] [INFO ] Flatten gal took : 36 ms
[2026-05-23 17:17:56] [INFO ] Flatten gal took : 13 ms
[2026-05-23 17:17:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13251993125696989995.gal : 8 ms
[2026-05-23 17:17:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3600508603374539147.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13251993125696989995.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3600508603374539147.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 117164 ms.

BK_STOP 1779556676680

--------------------
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="CloudReconfiguration-PT-305"
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 CloudReconfiguration-PT-305, 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 r079-tall-177946972200019"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-305.tgz
mv CloudReconfiguration-PT-305 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 ;