About the Execution of ITS-Tools for DBSingleClientW-PT-d2m09
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 634.119 | 97566.00 | 134266.00 | 468.70 | 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 | 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.r082-smll-177946993600237.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 itstools
Input is DBSingleClientW-PT-d2m09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600237
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 8.9K Mar 6 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 6 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 6 18:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 6 18:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m09-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779627505951
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 12:58:28] [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]
[2026-05-24 12:58:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:58:29] [INFO ] Load time of PNML (sax parser for PT used): 576 ms
[2026-05-24 12:58:29] [INFO ] Transformed 4763 places.
[2026-05-24 12:58:29] [INFO ] Transformed 2478 transitions.
[2026-05-24 12:58:29] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 837 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 18 ms.
Deduced a syphon composed of 3580 places in 39 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-959742640080386189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17756771606607020259.kers'
[2026-05-24 12:58:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-959742640080386189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17756771606607020259.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2478 rows 1183 cols 6734 entries
Finished phase 1 with 736 SingleSign rule and 441 generalized
[2026-05-24 12:58:29] [INFO ] Computed 6 invariants in 41 ms
Computed 6 P flows in 43 ms.
Exported basis to /tmp/petrispot-output-17756771606607020259.kers
Total runtime 46 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[11, 11]
RANDOM walk for 10000 steps (2299 resets) in 757 ms. (13 steps per ms)
BEST_FIRST walk for 20001 steps (1905 resets) in 272 ms. (73 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[11, 11]
[2026-05-24 12:58:30] [INFO ] Invariant cache hit.
[2026-05-24 12:58:31] [INFO ] [Real]Absence check using 2 positive place invariants in 31 ms returned sat
[2026-05-24 12:58:31] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2026-05-24 12:58:32] [INFO ] [Real]Absence check using state equation in 1441 ms returned sat
[2026-05-24 12:58:33] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2026-05-24 12:58:35] [INFO ] [Real]Added 1588 Read/Feed constraints in 1877 ms returned sat
[2026-05-24 12:58:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:58:36] [INFO ] [Nat]Absence check using 2 positive place invariants in 28 ms returned sat
[2026-05-24 12:58:36] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-24 12:58:37] [INFO ] [Nat]Absence check using state equation in 1313 ms returned sat
[2026-05-24 12:58:39] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1701 ms returned sat
[2026-05-24 12:58:41] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 12:58:41] [INFO ] [Real]Absence check using 2 positive place invariants in 22 ms returned sat
[2026-05-24 12:58:41] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-24 12:58:43] [INFO ] [Real]Absence check using state equation in 1641 ms returned sat
[2026-05-24 12:58:45] [INFO ] [Real]Added 1588 Read/Feed constraints in 1817 ms returned sat
[2026-05-24 12:58:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:58:45] [INFO ] [Nat]Absence check using 2 positive place invariants in 31 ms returned sat
[2026-05-24 12:58:45] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 21 ms returned sat
[2026-05-24 12:58:47] [INFO ] [Nat]Absence check using state equation in 1562 ms returned sat
[2026-05-24 12:58:49] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 12:58:49] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2287 ms returned sat
[2026-05-24 12:58:50] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1333 ms.
[2026-05-24 12:58:50] [INFO ] Added : 0 causal constraints over 0 iterations in 1341 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[11, 11]
Support contains 2 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.17 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 391 places :
Symmetric choice reduction at 1 with 391 rule applications. Total rules 609 place count 745 transition count 1200
Iterating global reduction 1 with 391 rules applied. Total rules applied 1000 place count 745 transition count 1200
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1009 place count 745 transition count 1191
Discarding 316 places :
Symmetric choice reduction at 2 with 316 rule applications. Total rules 1325 place count 429 transition count 875
Iterating global reduction 2 with 316 rules applied. Total rules applied 1641 place count 429 transition count 875
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1653 place count 429 transition count 863
Discarding 240 places :
Symmetric choice reduction at 3 with 240 rule applications. Total rules 1893 place count 189 transition count 521
Iterating global reduction 3 with 240 rules applied. Total rules applied 2133 place count 189 transition count 521
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Iterating post reduction 3 with 211 rules applied. Total rules applied 2344 place count 189 transition count 310
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 2368 place count 165 transition count 272
Iterating global reduction 4 with 24 rules applied. Total rules applied 2392 place count 165 transition count 272
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2398 place count 165 transition count 266
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2415 place count 148 transition count 249
Iterating global reduction 5 with 17 rules applied. Total rules applied 2432 place count 148 transition count 249
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2436 place count 148 transition count 245
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2450 place count 134 transition count 231
Iterating global reduction 6 with 14 rules applied. Total rules applied 2464 place count 134 transition count 231
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2477 place count 134 transition count 218
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 2484 place count 127 transition count 182
Iterating global reduction 7 with 7 rules applied. Total rules applied 2491 place count 127 transition count 182
Applied a total of 2491 rules in 575 ms. Remains 127 /1183 variables (removed 1056) and now considering 182/2478 (removed 2296) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 592 ms. Remains : 127/1183 places, 182/2478 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18257979117415654855.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2730270004882163095.kers'
[2026-05-24 12:58:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18257979117415654855.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2730270004882163095.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 182 rows 127 cols 594 entries
Finished phase 1 with 122 SingleSign rule and 3 generalized
[2026-05-24 12:58:51] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2730270004882163095.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[11, 11]
RANDOM walk for 1000000 steps (230133 resets) in 2538 ms. (393 steps per ms)
BEST_FIRST walk for 2000001 steps (191114 resets) in 2043 ms. (978 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[11, 11]
[2026-05-24 12:58:56] [INFO ] Invariant cache hit.
[2026-05-24 12:58:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 6 ms returned sat
[2026-05-24 12:58:56] [INFO ] [Real]Absence check using state equation in 59 ms returned unsat
[2026-05-24 12:58:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 12:58:56] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-24 12:58:56] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-24 12:58:56] [INFO ] [Real]Added 61 Read/Feed constraints in 21 ms returned sat
[2026-05-24 12:58:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:58:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 12:58:56] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-24 12:58:56] [INFO ] [Nat]Added 61 Read/Feed constraints in 32 ms returned sat
[2026-05-24 12:58:56] [INFO ] Computed and/alt/rep : 49/119/49 causal constraints (skipped 132 transitions) in 27 ms.
[2026-05-24 12:58:57] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 720 ms
[2026-05-24 12:58:57] [INFO ] Added : 20 causal constraints over 4 iterations in 1055 ms. Result :sat
Minimization took 204 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[1, 11]
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[11]
Support contains 1 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 182/182 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 181
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 126 transition count 180
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 125 transition count 178
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 125 transition count 178
Applied a total of 5 rules in 36 ms. Remains 125 /127 variables (removed 2) and now considering 178/182 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 125/127 places, 178/182 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9216917862016276771.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1309383736128476037.kers'
[2026-05-24 12:58:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9216917862016276771.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1309383736128476037.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 178 rows 125 cols 585 entries
Finished phase 1 with 120 SingleSign rule and 3 generalized
[2026-05-24 12:58:58] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-1309383736128476037.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[11]
RANDOM walk for 1000000 steps (229939 resets) in 2110 ms. (473 steps per ms)
BEST_FIRST walk for 1000000 steps (95929 resets) in 939 ms. (1063 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[11]
[2026-05-24 12:59:01] [INFO ] Invariant cache hit.
[2026-05-24 12:59:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 12:59:01] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 12:59:01] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-24 12:59:01] [INFO ] [Real]Added 58 Read/Feed constraints in 20 ms returned sat
[2026-05-24 12:59:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:59:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 12:59:01] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-24 12:59:01] [INFO ] [Nat]Added 58 Read/Feed constraints in 25 ms returned sat
[2026-05-24 12:59:01] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 23 ms.
[2026-05-24 12:59:01] [INFO ] Added : 15 causal constraints over 4 iterations in 117 ms. Result :sat
Minimization took 118 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[11]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 14 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 14 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-24 12:59:02] [INFO ] Invariant cache hit.
[2026-05-24 12:59:02] [INFO ] Implicit Places using invariants in 218 ms returned []
[2026-05-24 12:59:02] [INFO ] Invariant cache hit.
[2026-05-24 12:59:02] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-24 12:59:03] [INFO ] Implicit Places using invariants and state equation in 884 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
[2026-05-24 12:59:03] [INFO ] Redundant transitions in 8 ms returned []
Running 177 sub problems to find dead transitions.
[2026-05-24 12:59:03] [INFO ] Invariant cache hit.
[2026-05-24 12:59:03] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 2/187 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/303 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 187 constraints, problems are : Problem set: 0 solved, 177 unsolved in 22880 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (OVERLAPS) 1/125 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/303 variables, 125/129 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 58/187 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 177/364 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 364 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53388ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 53402ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54577 ms. Remains : 125/125 places, 178/178 transitions.
RANDOM walk for 40000 steps (9173 resets) in 918 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (3872 resets) in 359 ms. (111 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3857 resets) in 347 ms. (114 steps per ms) remains 2/2 properties
[2026-05-24 12:59:57] [INFO ] Flatten gal took : 113 ms
[2026-05-24 12:59:57] [INFO ] Flatten gal took : 51 ms
[2026-05-24 12:59:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13418999058585092607.gal : 22 ms
[2026-05-24 12:59:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9651534617035018358.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13418999058585092607.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9651534617035018358.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9651534617035018358.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 528
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :528 after 942
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :942 after 4688
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4688 after 18830
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :18830 after 224574
Interrupted probabilistic random walk after 1644160 steps, run timeout after 3001 ms. (steps per millisecond=547 ) properties seen :1 out of 2
Probabilistic random walk after 1644160 steps, saw 686939 distinct states, run finished after 3007 ms. (steps per millisecond=546 ) properties seen :1
[2026-05-24 13:00:00] [INFO ] Invariant cache hit.
[2026-05-24 13:00:00] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/210 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 60/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 11/221 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 4/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 280 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 289ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[1] Max Struct:[10]
[2026-05-24 13:00:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (229799 resets) in 2036 ms. (490 steps per ms)
BEST_FIRST walk for 1000000 steps (95737 resets) in 815 ms. (1225 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-24 13:00:03] [INFO ] Invariant cache hit.
[2026-05-24 13:00:03] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 13:00:03] [INFO ] [Real]Absence check using state equation in 78 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[1]
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 95103 ms.
BK_STOP 1779627603517
--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DBSingleClientW-PT-d2m09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DBSingleClientW-PT-d2m09, 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 r082-smll-177946993600237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m09.tgz
mv DBSingleClientW-PT-d2m09 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 ;