About the Execution of 2025-gold for DatabaseWithMutex-COL-20
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.r095-smll-177946996300004.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 DatabaseWithMutex-COL-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300004
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 9.3K Mar 5 14:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 5 14:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 5 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 5 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Mar 5 14:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 5 14:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 5 14:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 5 14:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 38K 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 DatabaseWithMutex-COL-20-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779521182216
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-23 07:26:24] [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 07:26:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:26:25] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-23 07:26:25] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 07:26:26] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1326 ms
[2026-05-23 07:26:26] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 3260 PT places and 3200.0 transition bindings in 40 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Reduction of identical properties reduced properties to check from 16 to 7
[2026-05-23 07:26:26] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 10 ms.
[2026-05-23 07:26:26] [INFO ] Skeletonized 7 HLPN properties in 1 ms.
// Phase 1: matrix 8 rows 11 cols
[2026-05-23 07:26:26] [INFO ] Computed 4 invariants in 6 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[20, 0, 20, 0, 0, 0, 0] Max Struct:[20, 380, 40, 380, 20, 20, 20]
FORMULA DatabaseWithMutex-COL-20-UpperBounds-14 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-23 07:26:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-23 07:26:27] [INFO ] Added : 3 causal constraints over 1 iterations in 41 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-23 07:26:27] [INFO ] Added : 2 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 07:26:27] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 6 ms.
[2026-05-23 07:26:27] [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 07:26:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 07:26:27] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 07:26:27] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-23 07:26:27] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 7 ms.
[2026-05-23 07:26:27] [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 07:26:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 07:26:27] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-23 07:26:27] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 07:26:27] [INFO ] Added : 4 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 20, 0, 0, 0, 0] Max Struct:[380, 20, 380, 20, 20, 20]
FORMULA DatabaseWithMutex-COL-20-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-09 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-10 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-02 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2026-05-23 07:26:28] [INFO ] Unfolded HLPN to a Petri net with 3260 places and 3200 transitions 23200 arcs in 219 ms.
[2026-05-23 07:26:28] [INFO ] Unfolded 5 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[380, 380, 20, 20, 20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[380, 380, 20, 20, 20]
// Phase 1: matrix 3200 rows 3260 cols
[2026-05-23 07:26:28] [INFO ] Computed 460 invariants in 317 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[380, 380, 20, 20, 20]
RANDOM walk for 10000 steps (2 resets) in 751 ms. (13 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-12 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[180, 125, 8, 15] Max Struct:[380, 380, 20, 20]
[2026-05-23 07:26:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:30] [INFO ] [Real]Absence check using 59 positive place invariants in 108 ms returned sat
[2026-05-23 07:26:31] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 708 ms returned sat
[2026-05-23 07:26:34] [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.verifyPossible(DeadlockTester.java:854)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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 07:26:35] [INFO ] [Real]Absence check using 59 positive place invariants in 105 ms returned sat
[2026-05-23 07:26:36] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 521 ms returned sat
[2026-05-23 07:26:39] [INFO ] [Real]Absence check using state equation in 3591 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:40] [INFO ] [Real]Absence check using 59 positive place invariants in 130 ms returned sat
[2026-05-23 07:26:41] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 390 ms returned sat
[2026-05-23 07:26:43] [INFO ] [Real]Absence check using state equation in 2802 ms returned sat
[2026-05-23 07:26:44] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 462 ms.
[2026-05-23 07:26:44] [INFO ] Added : 0 causal constraints over 0 iterations in 464 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:26:45] [INFO ] [Real]Absence check using 59 positive place invariants in 88 ms returned sat
[2026-05-23 07:26:46] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 404 ms returned sat
[2026-05-23 07:26:49] [INFO ] [Real]Absence check using state equation in 3110 ms returned sat
[2026-05-23 07:26:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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:[180, 125, 8, 15] Max Struct:[380, 380, 20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[180, 125, 12, 15] Max Struct:[380, 380, 20, 20]
Support contains 1600 out of 3260 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3260/3260 places, 3200/3200 transitions.
Performed 400 Post agglomeration using F-continuation condition.Transition count delta: 400
Iterating post reduction 0 with 400 rules applied. Total rules applied 400 place count 3260 transition count 2800
Reduce places removed 420 places and 0 transitions.
Performed 400 Post agglomeration using F-continuation condition.Transition count delta: 400
Iterating post reduction 1 with 820 rules applied. Total rules applied 1220 place count 2840 transition count 2400
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 2 with 400 rules applied. Total rules applied 1620 place count 2440 transition count 2400
Free-agglomeration rule applied 400 times.
Iterating global reduction 3 with 400 rules applied. Total rules applied 2020 place count 2440 transition count 2000
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 3 with 400 rules applied. Total rules applied 2420 place count 2040 transition count 2000
Applied a total of 2420 rules in 1148 ms. Remains 2040 /3260 variables (removed 1220) and now considering 2000/3200 (removed 1200) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1162 ms. Remains : 2040/3260 places, 2000/3200 transitions.
// Phase 1: matrix 2000 rows 2040 cols
[2026-05-23 07:26:51] [INFO ] Computed 440 invariants in 168 ms
Current structural bounds on expressions (after invariants) : Max Seen:[180, 125, 12, 15] Max Struct:[380, 380, 20, 20]
RANDOM walk for 476103 steps (1 resets) in 30001 ms. (15 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-06 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-08 380 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-01 380 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 402870 steps (0 resets) in 10005 ms. (40 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-05 380 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-03 380 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[15] Max Struct:[20]
[2026-05-23 07:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:27:32] [INFO ] [Real]Absence check using 38 positive place invariants in 71 ms returned sat
[2026-05-23 07:27:32] [INFO ] [Real]Absence check using 38 positive and 402 generalized place invariants in 262 ms returned sat
[2026-05-23 07:27:35] [INFO ] [Real]Absence check using state equation in 2602 ms returned sat
[2026-05-23 07:27:35] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 800 transitions) in 193 ms.
[2026-05-23 07:27:36] [INFO ] Added : 9 causal constraints over 2 iterations in 1042 ms. Result :sat
Minimization took 6452 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15] Max Struct:[20]
Support contains 400 out of 2040 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2040/2040 places, 2000/2000 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 400 transitions
Trivial Post-agglo rules discarded 400 transitions
Performed 400 trivial Post agglomeration. Transition count delta: 400
Iterating post reduction 0 with 400 rules applied. Total rules applied 400 place count 2040 transition count 1600
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 1 with 400 rules applied. Total rules applied 800 place count 1640 transition count 1600
Performed 400 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 400 Pre rules applied. Total rules applied 800 place count 1640 transition count 1200
Renaming transitions due to excessive name length > 1024 char.
Deduced a syphon composed of 400 places in 2 ms
Reduce places removed 400 places and 0 transitions.
Iterating global reduction 2 with 800 rules applied. Total rules applied 1600 place count 1240 transition count 1200
Applied a total of 1600 rules in 385 ms. Remains 1240 /2040 variables (removed 800) and now considering 1200/2000 (removed 800) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 385 ms. Remains : 1240/2040 places, 1200/2000 transitions.
// Phase 1: matrix 1200 rows 1240 cols
[2026-05-23 07:27:43] [INFO ] Computed 440 invariants in 65 ms
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[20]
RANDOM walk for 925295 steps (2 resets) in 30001 ms. (30 steps per ms)
BEST_FIRST walk for 534374 steps (1 resets) in 5001 ms. (106 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-11 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-13 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 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 07:28:19] [INFO ] Flatten gal took : 451 ms
[2026-05-23 07:28:19] [INFO ] Flatten gal took : 253 ms
[2026-05-23 07:28:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18021652682622256629.gal : 139 ms
[2026-05-23 07:28:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5437551645283214616.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/ReachabilityCardinality18021652682622256629.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5437551645283214616.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 114798 ms.
BK_STOP 1779521299779
--------------------
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="DatabaseWithMutex-COL-20"
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 DatabaseWithMutex-COL-20, 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 r095-smll-177946996300004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-20.tgz
mv DatabaseWithMutex-COL-20 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 '
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 ;