fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r159-tall-177961079800067
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for GPUForwardProgress-PT-40b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
531.176 28371.00 40570.00 163.10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 normal

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.r159-tall-177961079800067.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 GPUForwardProgress-PT-40b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800067
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 6.5K Mar 7 11:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 11:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 11:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 11:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 11:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 11:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 11:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 11:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 10:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:40 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 199K 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 GPUForwardProgress-PT-40b-UpperBounds-00
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-01
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-02
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-03
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-04
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-05
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-06
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-07
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-08
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-09
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-10
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-11
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-12
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-13
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-14
FORMULA_NAME GPUForwardProgress-PT-40b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779707471820

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-40b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:11:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 11:11:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:11:13] [INFO ] Load time of PNML (sax parser for PT used): 100 ms
[2026-05-25 11:11:13] [INFO ] Transformed 796 places.
[2026-05-25 11:11:13] [INFO ] Transformed 837 transitions.
[2026-05-25 11:11:13] [INFO ] Found NUPN structural information;
[2026-05-25 11:11:13] [INFO ] Parsed PT model containing 796 places and 837 transitions and 2077 arcs in 195 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 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 837 rows 796 cols
[2026-05-25 11:11:13] [INFO ] Computed 42 invariants in 27 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 (29 resets) in 48 ms. (204 steps per ms)
FORMULA GPUForwardProgress-PT-40b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (15 resets) in 51 ms. (961 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2026-05-25 11:11:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:13] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 33 ms returned sat
[2026-05-25 11:11:14] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2026-05-25 11:11:14] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 53 ms.
[2026-05-25 11:11:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:14] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 32 ms returned sat
[2026-05-25 11:11:15] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2026-05-25 11:11:15] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 43 ms.
[2026-05-25 11:11:18] [INFO ] Added : 330 causal constraints over 66 iterations in 3798 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:19] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 42 ms returned sat
[2026-05-25 11:11:19] [INFO ] [Real]Absence check using state equation in 221 ms returned sat
[2026-05-25 11:11:19] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 39 ms.
[2026-05-25 11:11:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:19] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 35 ms returned sat
[2026-05-25 11:11:20] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2026-05-25 11:11:20] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 45 ms.
[2026-05-25 11:11:24] [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
[2026-05-25 11:11:24] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 33 ms returned sat
[2026-05-25 11:11:25] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-25 11:11:25] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 41 ms.
[2026-05-25 11:11:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:25] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 36 ms returned sat
[2026-05-25 11:11:25] [INFO ] [Nat]Absence check using state equation in 239 ms returned sat
[2026-05-25 11:11:25] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 38 ms.
[2026-05-25 11:11:26] [INFO ] Added : 70 causal constraints over 14 iterations in 1055 ms. Result :sat
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:27] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 33 ms returned sat
[2026-05-25 11:11:27] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2026-05-25 11:11:27] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 40 ms.
[2026-05-25 11:11:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:28] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 43 ms returned sat
[2026-05-25 11:11:28] [INFO ] [Nat]Absence check using state equation in 202 ms returned sat
[2026-05-25 11:11:28] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 51 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:33] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 33 ms returned sat
[2026-05-25 11:11:33] [INFO ] [Real]Absence check using state equation in 198 ms returned sat
[2026-05-25 11:11:33] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 35 ms.
[2026-05-25 11:11:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:11:33] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 35 ms returned sat
[2026-05-25 11:11:34] [INFO ] [Nat]Absence check using state equation in 246 ms returned sat
[2026-05-25 11:11:34] [INFO ] Computed and/alt/rep : 831/1517/831 causal constraints (skipped 5 transitions) in 35 ms.
[2026-05-25 11:11:38] [INFO ] Added : 440 causal constraints over 88 iterations in 4511 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
Support contains 5 out of 796 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 796/796 places, 837/837 transitions.
Graph (trivial) has 704 edges and 796 vertex of which 7 / 796 are part of one of the 1 SCC in 4 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Graph (complete) has 1200 edges and 790 vertex of which 745 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.2 ms
Discarding 45 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 446 transitions
Trivial Post-agglo rules discarded 446 transitions
Performed 446 trivial Post agglomeration. Transition count delta: 446
Iterating post reduction 0 with 448 rules applied. Total rules applied 450 place count 745 transition count 378
Reduce places removed 446 places and 0 transitions.
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 484 rules applied. Total rules applied 934 place count 299 transition count 340
Reduce places removed 1 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 6 rules applied. Total rules applied 940 place count 298 transition count 335
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 947 place count 293 transition count 333
Performed 76 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 76 Pre rules applied. Total rules applied 947 place count 293 transition count 257
Deduced a syphon composed of 76 places in 1 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 4 with 152 rules applied. Total rules applied 1099 place count 217 transition count 257
Discarding 43 places :
Symmetric choice reduction at 4 with 43 rule applications. Total rules 1142 place count 174 transition count 214
Iterating global reduction 4 with 43 rules applied. Total rules applied 1185 place count 174 transition count 214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 1185 place count 174 transition count 212
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 1189 place count 172 transition count 212
Graph (complete) has 332 edges and 172 vertex of which 66 are kept as prefixes of interest. Removing 106 places using SCC suffix rule.0 ms
Discarding 106 places :
Also discarding 105 output transitions
Drop transitions (Output transitions of discarded places.) removed 105 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 4 with 36 rules applied. Total rules applied 1225 place count 66 transition count 72
Reduce places removed 35 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 41 transitions
Reduce isomorphic transitions removed 41 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 78 rules applied. Total rules applied 1303 place count 31 transition count 29
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 1305 place count 29 transition count 29
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 1305 place count 29 transition count 27
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 1309 place count 27 transition count 27
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1311 place count 25 transition count 25
Iterating global reduction 7 with 2 rules applied. Total rules applied 1313 place count 25 transition count 25
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 19 rules applied. Total rules applied 1332 place count 15 transition count 16
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1333 place count 15 transition count 15
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1334 place count 15 transition count 14
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1335 place count 14 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1336 place count 13 transition count 13
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 3 Pre rules applied. Total rules applied 1336 place count 13 transition count 10
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 1342 place count 10 transition count 10
Applied a total of 1342 rules in 104 ms. Remains 10 /796 variables (removed 786) and now considering 10/837 (removed 827) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 10/796 places, 10/837 transitions.
// Phase 1: matrix 10 rows 10 cols
[2026-05-25 11:11:39] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA GPUForwardProgress-PT-40b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 649 ms. (1538 steps per ms)
FORMULA GPUForwardProgress-PT-40b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 212 ms. (4694 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 )
[2026-05-25 11:11:40] [INFO ] Flatten gal took : 108 ms
[2026-05-25 11:11:40] [INFO ] Flatten gal took : 1 ms
[2026-05-25 11:11:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14696277755859208144.gal : 3 ms
[2026-05-25 11:11:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5577832252602369042.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/ReachabilityCardinality14696277755859208144.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5577832252602369042.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 26982 ms.

BK_STOP 1779707500191

--------------------
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="GPUForwardProgress-PT-40b"
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 GPUForwardProgress-PT-40b, 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 r159-tall-177961079800067"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-40b.tgz
mv GPUForwardProgress-PT-40b 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 ;