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.r063-smll-177946904200058.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 CloudDeployment-PT-3b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-177946904200058
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 5.9K Mar 6 11:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 6 11:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 11:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 11:00 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 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 11:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 11:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 11:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 6 11:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 308K 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 CloudDeployment-PT-3b-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779480237860

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-3b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 20:04:00] [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]
[2026-05-22 20:04:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:04:00] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2026-05-22 20:04:00] [INFO ] Transformed 859 places.
[2026-05-22 20:04:00] [INFO ] Transformed 1152 transitions.
[2026-05-22 20:04:00] [INFO ] Found NUPN structural information;
[2026-05-22 20:04:00] [INFO ] Parsed PT model containing 859 places and 1152 transitions and 4030 arcs in 383 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 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 1152 rows 859 cols
[2026-05-22 20:04:00] [INFO ] Computed 13 invariants in 55 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 119 ms. (83 steps per ms)
FORMULA CloudDeployment-PT-3b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90007 steps (171 resets) in 160 ms. (559 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-22 20:04:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:01] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 77 ms returned sat
[2026-05-22 20:04:02] [INFO ] [Real]Absence check using state equation in 1014 ms returned sat
[2026-05-22 20:04:03] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 238 ms.
[2026-05-22 20:04:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:04] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 77 ms returned sat
[2026-05-22 20:04:05] [INFO ] [Nat]Absence check using state equation in 757 ms returned sat
[2026-05-22 20:04:05] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 152 ms.
[2026-05-22 20:04:09] [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 0
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
[2026-05-22 20:04:09] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 70 ms returned sat
[2026-05-22 20:04:10] [INFO ] [Real]Absence check using state equation in 784 ms returned sat
[2026-05-22 20:04:10] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 123 ms.
[2026-05-22 20:04:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:11] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 76 ms returned sat
[2026-05-22 20:04:12] [INFO ] [Nat]Absence check using state equation in 801 ms returned sat
[2026-05-22 20:04:12] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 131 ms.
[2026-05-22 20:04:15] [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
[2026-05-22 20:04:16] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 71 ms returned sat
[2026-05-22 20:04:17] [INFO ] [Real]Absence check using state equation in 765 ms returned sat
[2026-05-22 20:04:17] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 118 ms.
[2026-05-22 20:04:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:18] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 60 ms returned sat
[2026-05-22 20:04:18] [INFO ] [Nat]Absence check using state equation in 617 ms returned sat
[2026-05-22 20:04:18] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 139 ms.
[2026-05-22 20:04:22] [INFO ] Added : 135 causal constraints over 27 iterations in 3927 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:23] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 73 ms returned sat
[2026-05-22 20:04:23] [INFO ] [Real]Absence check using state equation in 782 ms returned sat
[2026-05-22 20:04:24] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 124 ms.
[2026-05-22 20:04:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:25] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 46 ms returned sat
[2026-05-22 20:04:25] [INFO ] [Nat]Absence check using state equation in 513 ms returned sat
[2026-05-22 20:04:25] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 79 ms.
[2026-05-22 20:04:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:30] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 54 ms returned sat
[2026-05-22 20:04:30] [INFO ] [Real]Absence check using state equation in 765 ms returned sat
[2026-05-22 20:04:31] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 125 ms.
[2026-05-22 20:04:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:32] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 54 ms returned sat
[2026-05-22 20:04:32] [INFO ] [Nat]Absence check using state equation in 679 ms returned sat
[2026-05-22 20:04:32] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 75 ms.
[2026-05-22 20:04:36] [INFO ] Added : 100 causal constraints over 20 iterations in 3904 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:37] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 77 ms returned sat
[2026-05-22 20:04:37] [INFO ] [Real]Absence check using state equation in 794 ms returned sat
[2026-05-22 20:04:38] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 109 ms.
[2026-05-22 20:04:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:38] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 78 ms returned sat
[2026-05-22 20:04:39] [INFO ] [Nat]Absence check using state equation in 581 ms returned sat
[2026-05-22 20:04:39] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 121 ms.
[2026-05-22 20:04:43] [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 5
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
[2026-05-22 20:04:43] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 60 ms returned sat
[2026-05-22 20:04:44] [INFO ] [Real]Absence check using state equation in 693 ms returned sat
[2026-05-22 20:04:44] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 85 ms.
[2026-05-22 20:04:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:45] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 62 ms returned sat
[2026-05-22 20:04:46] [INFO ] [Nat]Absence check using state equation in 745 ms returned sat
[2026-05-22 20:04:46] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 99 ms.
[2026-05-22 20:04:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.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
[2026-05-22 20:04:50] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 71 ms returned sat
[2026-05-22 20:04:51] [INFO ] [Real]Absence check using state equation in 812 ms returned sat
[2026-05-22 20:04:51] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 91 ms.
[2026-05-22 20:04:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:52] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 43 ms returned sat
[2026-05-22 20:04:52] [INFO ] [Nat]Absence check using state equation in 533 ms returned sat
[2026-05-22 20:04:52] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 110 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:57] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 71 ms returned sat
[2026-05-22 20:04:57] [INFO ] [Real]Absence check using state equation in 744 ms returned sat
[2026-05-22 20:04:58] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 111 ms.
[2026-05-22 20:04:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:04:59] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 74 ms returned sat
[2026-05-22 20:04:59] [INFO ] [Nat]Absence check using state equation in 690 ms returned sat
[2026-05-22 20:04:59] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 72 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 9 out of 859 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 859/859 places, 1152/1152 transitions.
Graph (trivial) has 852 edges and 859 vertex of which 238 / 859 are part of one of the 22 SCC in 11 ms
Free SCC test removed 216 places
Drop transitions (Empty/Sink Transition effects.) removed 329 transitions
Reduce isomorphic transitions removed 329 transitions.
Graph (complete) has 1586 edges and 643 vertex of which 620 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.7 ms
Discarding 23 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 303 transitions
Trivial Post-agglo rules discarded 303 transitions
Performed 303 trivial Post agglomeration. Transition count delta: 303
Iterating post reduction 0 with 314 rules applied. Total rules applied 316 place count 620 transition count 506
Reduce places removed 303 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 1 with 314 rules applied. Total rules applied 630 place count 317 transition count 495
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 641 place count 306 transition count 495
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 14 Pre rules applied. Total rules applied 641 place count 306 transition count 481
Deduced a syphon composed of 14 places in 3 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 669 place count 292 transition count 481
Discarding 104 places :
Symmetric choice reduction at 3 with 104 rule applications. Total rules 773 place count 188 transition count 377
Iterating global reduction 3 with 104 rules applied. Total rules applied 877 place count 188 transition count 377
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 883 place count 188 transition count 371
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 11 Pre rules applied. Total rules applied 883 place count 188 transition count 360
Deduced a syphon composed of 11 places in 3 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 905 place count 177 transition count 360
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 906 place count 176 transition count 359
Iterating global reduction 4 with 1 rules applied. Total rules applied 907 place count 176 transition count 359
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 999 place count 130 transition count 313
Performed 20 Post agglomeration using F-continuation condition with reduction of 30 identical transitions.
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 1039 place count 110 transition count 368
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 1044 place count 110 transition count 363
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 5 with 38 rules applied. Total rules applied 1082 place count 110 transition count 325
Free-agglomeration rule applied 30 times with reduction of 6 identical transitions.
Iterating global reduction 5 with 30 rules applied. Total rules applied 1112 place count 110 transition count 289
Reduce places removed 30 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 48 transitions.
Graph (complete) has 446 edges and 80 vertex of which 79 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 5 with 79 rules applied. Total rules applied 1191 place count 79 transition count 241
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1192 place count 79 transition count 240
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1195 place count 76 transition count 227
Iterating global reduction 7 with 3 rules applied. Total rules applied 1198 place count 76 transition count 227
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 7 with 18 rules applied. Total rules applied 1216 place count 76 transition count 209
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1217 place count 75 transition count 208
Applied a total of 1217 rules in 372 ms. Remains 75 /859 variables (removed 784) and now considering 208/1152 (removed 944) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 387 ms. Remains : 75/859 places, 208/1152 transitions.
[2026-05-22 20:05:04] [INFO ] Flow matrix only has 149 transitions (discarded 59 similar events)
// Phase 1: matrix 149 rows 75 cols
[2026-05-22 20:05:04] [INFO ] Computed 10 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudDeployment-PT-3b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (21046 resets) in 1694 ms. (589 steps per ms)
FORMULA CloudDeployment-PT-3b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (4167 resets) in 551 ms. (1811 steps per ms)
Current structural bounds on expressions (after 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 )
[2026-05-22 20:05:07] [INFO ] Flatten gal took : 93 ms
[2026-05-22 20:05:07] [INFO ] Flatten gal took : 38 ms
[2026-05-22 20:05:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9145675342427404349.gal : 26 ms
[2026-05-22 20:05:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16098092051518478289.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9145675342427404349.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16098092051518478289.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 67329 ms.

BK_STOP 1779480307387

--------------------
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="CloudDeployment-PT-3b"
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 CloudDeployment-PT-3b, 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 r063-smll-177946904200058"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-3b.tgz
mv CloudDeployment-PT-3b 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 ;