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-177946972200025.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudReconfiguration-PT-311, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200025
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.8K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 08:54 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 08:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:24 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-311-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556676035

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-311
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:17:57] [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 17:17:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:17:57] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2026-05-23 17:17:57] [INFO ] Transformed 2585 places.
[2026-05-23 17:17:57] [INFO ] Transformed 3095 transitions.
[2026-05-23 17:17:57] [INFO ] Found NUPN structural information;
[2026-05-23 17:17:57] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 255 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 17:17:57] [INFO ] Computed 4 invariants in 59 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 (102 resets) in 47 ms. (208 steps per ms)
FORMULA CloudReconfiguration-PT-311-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130009 steps (478 resets) in 199 ms. (650 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:17:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:58] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:18:00] [INFO ] [Real]Absence check using state equation in 1213 ms returned sat
[2026-05-23 17:18:00] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 17:18:01] [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 17:18:01] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 17:18:03] [INFO ] [Nat]Absence check using state equation in 1172 ms returned sat
[2026-05-23 17:18:03] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 161 ms.
[2026-05-23 17:18:06] [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 0
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 17:18:06] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:07] [INFO ] [Real]Absence check using state equation in 1064 ms returned sat
[2026-05-23 17:18:08] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 167 ms.
[2026-05-23 17:18:09] [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 17:18:09] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:18:10] [INFO ] [Nat]Absence check using state equation in 1113 ms returned sat
[2026-05-23 17:18:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 139 ms.
[2026-05-23 17:18:14] [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.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 17:18:14] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:18:15] [INFO ] [Real]Absence check using state equation in 1025 ms returned sat
[2026-05-23 17:18:15] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 140 ms.
[2026-05-23 17:18:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:17] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:18] [INFO ] [Nat]Absence check using state equation in 1106 ms returned sat
[2026-05-23 17:18:18] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 124 ms.
[2026-05-23 17:18:21] [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 2
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)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:22] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:18:23] [INFO ] [Real]Absence check using state equation in 977 ms returned sat
[2026-05-23 17:18:23] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:18:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:25] [INFO ] [Nat]Absence check using state equation in 1078 ms returned sat
[2026-05-23 17:18:26] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 131 ms.
Maximisation of solution failed !
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:18:31] [INFO ] [Real]Absence check using state equation in 1062 ms returned sat
[2026-05-23 17:18:31] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 140 ms.
[2026-05-23 17:18:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:18:33] [INFO ] [Nat]Absence check using state equation in 970 ms returned sat
[2026-05-23 17:18:33] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 115 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 17:18:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:18:38] [INFO ] [Real]Absence check using state equation in 1204 ms returned sat
[2026-05-23 17:18:39] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 128 ms.
[2026-05-23 17:18:40] [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 17:18:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:18:41] [INFO ] [Nat]Absence check using state equation in 1190 ms returned sat
[2026-05-23 17:18:41] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 155 ms.
[2026-05-23 17:18:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 5
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)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:18:46] [INFO ] [Real]Absence check using state equation in 1205 ms returned sat
[2026-05-23 17:18:47] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 131 ms.
[2026-05-23 17:18:47] [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 17:18:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:49] [INFO ] [Nat]Absence check using state equation in 1197 ms returned sat
[2026-05-23 17:18:49] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 128 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 17:18:53] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:18:54] [INFO ] [Real]Absence check using state equation in 1086 ms returned sat
[2026-05-23 17:18:54] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 141 ms.
[2026-05-23 17:18:55] [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 17:18:56] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:57] [INFO ] [Nat]Absence check using state equation in 978 ms returned sat
[2026-05-23 17:18:57] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 131 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 17:19:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:02] [INFO ] [Real]Absence check using state equation in 1185 ms returned sat
[2026-05-23 17:19:02] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 17:19:03] [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 17:19:04] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 17:19:05] [INFO ] [Nat]Absence check using state equation in 1144 ms returned sat
[2026-05-23 17:19:05] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 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 17:19:09] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:19:10] [INFO ] [Real]Absence check using state equation in 1093 ms returned sat
[2026-05-23 17:19:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 141 ms.
[2026-05-23 17:19:11] [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 17:19:11] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:12] [INFO ] [Nat]Absence check using state equation in 996 ms returned sat
[2026-05-23 17:19:13] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:19:16] [INFO ] Added : 130 causal constraints over 26 iterations in 3533 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:17] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:18] [INFO ] [Real]Absence check using state equation in 1045 ms returned sat
[2026-05-23 17:19:18] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 139 ms.
[2026-05-23 17:19:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:19] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:19:20] [INFO ] [Nat]Absence check using state equation in 1046 ms returned sat
[2026-05-23 17:19:20] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 139 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 17:19:24] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:25] [INFO ] [Real]Absence check using state equation in 1210 ms returned sat
[2026-05-23 17:19:26] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 17:19:27] [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 17:19:27] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:28] [INFO ] [Nat]Absence check using state equation in 1181 ms returned sat
[2026-05-23 17:19:28] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 125 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 17:19:32] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:19:33] [INFO ] [Real]Absence check using state equation in 1008 ms returned sat
[2026-05-23 17:19:33] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 17:19:34] [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 17:19:35] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:19:36] [INFO ] [Nat]Absence check using state equation in 994 ms returned sat
[2026-05-23 17:19:36] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 136 ms.
[2026-05-23 17:19:39] [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 12
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] Max Struct:[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, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 13 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2928 edges and 2585 vertex of which 860 / 2585 are part of one of the 61 SCC in 11 ms
Free SCC test removed 799 places
Drop transitions (Empty/Sink Transition effects.) removed 976 transitions
Reduce isomorphic transitions removed 976 transitions.
Graph (complete) has 2399 edges and 1786 vertex of which 1772 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 1183 transitions
Trivial Post-agglo rules discarded 1183 transitions
Performed 1183 trivial Post agglomeration. Transition count delta: 1183
Iterating post reduction 0 with 1192 rules applied. Total rules applied 1194 place count 1772 transition count 918
Reduce places removed 1183 places and 0 transitions.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 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 1318 rules applied. Total rules applied 2512 place count 589 transition count 783
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 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 70 rules applied. Total rules applied 2582 place count 528 transition count 774
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 3 with 9 rules applied. Total rules applied 2591 place count 525 transition count 768
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 8 rules applied. Total rules applied 2599 place count 521 transition count 764
Reduce places removed 2 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 5 with 14 rules applied. Total rules applied 2613 place count 519 transition count 752
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2626 place count 507 transition count 751
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 21 Pre rules applied. Total rules applied 2626 place count 507 transition count 730
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 7 with 42 rules applied. Total rules applied 2668 place count 486 transition count 730
Discarding 78 places :
Symmetric choice reduction at 7 with 78 rule applications. Total rules 2746 place count 408 transition count 652
Iterating global reduction 7 with 78 rules applied. Total rules applied 2824 place count 408 transition count 652
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 9 Pre rules applied. Total rules applied 2824 place count 408 transition count 643
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 7 with 18 rules applied. Total rules applied 2842 place count 399 transition count 643
Discarding 59 places :
Symmetric choice reduction at 7 with 59 rule applications. Total rules 2901 place count 340 transition count 584
Iterating global reduction 7 with 59 rules applied. Total rules applied 2960 place count 340 transition count 584
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 7 with 30 rules applied. Total rules applied 2990 place count 340 transition count 554
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 8 with 27 rules applied. Total rules applied 3017 place count 325 transition count 542
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 3023 place count 319 transition count 542
Discarding 18 places :
Symmetric choice reduction at 10 with 18 rule applications. Total rules 3041 place count 301 transition count 515
Iterating global reduction 10 with 18 rules applied. Total rules applied 3059 place count 301 transition count 515
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 3067 place count 301 transition count 507
Discarding 7 places :
Symmetric choice reduction at 11 with 7 rule applications. Total rules 3074 place count 294 transition count 493
Iterating global reduction 11 with 7 rules applied. Total rules applied 3081 place count 294 transition count 493
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3084 place count 291 transition count 487
Iterating global reduction 11 with 3 rules applied. Total rules applied 3087 place count 291 transition count 487
Performed 152 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 152 places in 0 ms
Reduce places removed 152 places and 0 transitions.
Iterating global reduction 11 with 304 rules applied. Total rules applied 3391 place count 139 transition count 255
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 11 with 5 rules applied. Total rules applied 3396 place count 139 transition count 250
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 12 with 6 rules applied. Total rules applied 3402 place count 136 transition count 247
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 3407 place count 136 transition count 242
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 3411 place count 134 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3415 place count 134 transition count 236
Performed 34 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 14 with 68 rules applied. Total rules applied 3483 place count 100 transition count 269
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 46 transitions.
Iterating post reduction 14 with 46 rules applied. Total rules applied 3529 place count 100 transition count 223
Discarding 22 places :
Symmetric choice reduction at 15 with 22 rule applications. Total rules 3551 place count 78 transition count 193
Iterating global reduction 15 with 22 rules applied. Total rules applied 3573 place count 78 transition count 193
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 15 with 12 rules applied. Total rules applied 3585 place count 78 transition count 181
Discarding 4 places :
Symmetric choice reduction at 16 with 4 rule applications. Total rules 3589 place count 74 transition count 173
Iterating global reduction 16 with 4 rules applied. Total rules applied 3593 place count 74 transition count 173
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3597 place count 74 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 17 with 24 rules applied. Total rules applied 3621 place count 74 transition count 145
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 3622 place count 73 transition count 142
Iterating global reduction 17 with 1 rules applied. Total rules applied 3623 place count 73 transition count 142
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 3624 place count 72 transition count 141
Iterating global reduction 17 with 1 rules applied. Total rules applied 3625 place count 72 transition count 141
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3626 place count 72 transition count 140
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 3627 place count 72 transition count 139
Free-agglomeration rule applied 6 times.
Iterating global reduction 18 with 6 rules applied. Total rules applied 3633 place count 72 transition count 133
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 8 rules applied. Total rules applied 3641 place count 66 transition count 131
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3642 place count 66 transition count 130
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 19 with 5 rules applied. Total rules applied 3647 place count 66 transition count 130
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 3650 place count 66 transition count 127
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3651 place count 65 transition count 126
Applied a total of 3651 rules in 305 ms. Remains 65 /2585 variables (removed 2520) and now considering 126/3095 (removed 2969) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 312 ms. Remains : 65/2585 places, 126/3095 transitions.
[2026-05-23 17:19:40] [INFO ] Flow matrix only has 121 transitions (discarded 5 similar events)
// Phase 1: matrix 121 rows 65 cols
[2026-05-23 17:19:40] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-311-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (17608 resets) in 1128 ms. (885 steps per ms)
FORMULA CloudReconfiguration-PT-311-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (9893 resets) in 711 ms. (2808 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-23 17:19:42] [INFO ] Flow matrix only has 121 transitions (discarded 5 similar events)
[2026-05-23 17:19:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:19:42] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-23 17:19:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 17:19:42] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:19:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:19:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:19:42] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 5 ms to minimize.
[2026-05-23 17:19:42] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 67 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:19:42] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Real]Added 2 Read/Feed constraints in 0 ms returned sat
[2026-05-23 17:19:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:19:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-23 17:19:42] [INFO ] [Nat]Added 2 Read/Feed constraints in 0 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:19:42] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 3 ms to minimize.
[2026-05-23 17:19:42] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 46 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[0, 0]
FORMULA CloudReconfiguration-PT-311-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-03 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 17:19:42] [INFO ] Flatten gal took : 37 ms
[2026-05-23 17:19:42] [INFO ] Flatten gal took : 11 ms
[2026-05-23 17:19:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5273604960577590887.gal : 7 ms
[2026-05-23 17:19:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality191707911118393296.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/ReachabilityCardinality5273604960577590887.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality191707911118393296.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 ...327
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 105457 ms.

BK_STOP 1779556782909

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.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="CloudReconfiguration-PT-311"
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-311, 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-177946972200025"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-311.tgz
mv CloudReconfiguration-PT-311 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 ;