Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969020300549.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is MultiCrashLeafsetExtension-PT-S32C04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969020300549
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 12K Mar 7 18:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 7 18:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 18:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 18:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 15 11:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 11:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 11:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Mar 7 18:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 7 18:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 7 18:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 7 18:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Mar 15 11:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 20M 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 MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779740872833

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MultiCrashLeafsetExtension-PT-S32C04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 20:27:54] [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 20:27:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:27:55] [INFO ] Load time of PNML (sax parser for PT used): 917 ms
[2026-05-25 20:27:55] [INFO ] Transformed 18180 places.
[2026-05-25 20:27:55] [INFO ] Transformed 28411 transitions.
[2026-05-25 20:27:55] [INFO ] Parsed PT model containing 18180 places and 28411 transitions and 115534 arcs in 1262 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
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:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9554924200326398985.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4325312726243499756.kers'
[2026-05-25 20:27:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9554924200326398985.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4325312726243499756.kers]
Normalized transition count is 27355 out of 28411 initially.
Culling duplicate invariants (modulo rational): removing 655 columns.
Culled 655 columns in 20 ms.
// Phase 1: matrix 27355 rows 17525 cols 73925 entries
Finished phase 1 with 12052 SingleSign rule and 4655 generalized
[2026-05-25 20:27:56] [INFO ] Computed 1473 invariants in 701 ms
Computed 1473 P flows in 702 ms.
Exported basis to /tmp/petrispot-output-4325312726243499756.kers
Total runtime 723 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, 66, 1, 65, 1]
RANDOM walk for 10000 steps (241 resets) in 526 ms. (18 steps per ms)
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140014 steps (476 resets) in 1052 ms. (132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 66, 1, 65]
[2026-05-25 20:27:58] [INFO ] Flow matrix only has 27355 transitions (discarded 1056 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17916933421437308369.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1301558073370590976.kers'
[2026-05-25 20:27:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17916933421437308369.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1301558073370590976.kers]
Culling duplicate invariants (modulo rational): removing 655 columns.
Culled 655 columns in 22 ms.
// Phase 1: matrix 27355 rows 17525 cols 73925 entries
Finished phase 1 with 12052 SingleSign rule and 4655 generalized
[2026-05-25 20:27:59] [INFO ] Computed 1473 invariants in 730 ms
Computed 1473 P flows in 731 ms.
Exported basis to /tmp/petrispot-output-1301558073370590976.kers
Total runtime 751 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 66, 1, 65]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 66, 1, 65]
Support contains 14 out of 18180 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18180/18180 places, 28411/28411 transitions.
Graph (complete) has 66065 edges and 18180 vertex of which 18136 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.65 ms
Discarding 44 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 4215 transitions
Trivial Post-agglo rules discarded 4215 transitions
Performed 4215 trivial Post agglomeration. Transition count delta: 4215
Iterating post reduction 0 with 4215 rules applied. Total rules applied 4216 place count 18136 transition count 24196
Reduce places removed 4215 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 4220 rules applied. Total rules applied 8436 place count 13921 transition count 24191
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 8441 place count 13916 transition count 24191
Performed 264 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 264 Pre rules applied. Total rules applied 8441 place count 13916 transition count 23927
Deduced a syphon composed of 264 places in 69 ms
Reduce places removed 264 places and 0 transitions.
Iterating global reduction 3 with 528 rules applied. Total rules applied 8969 place count 13652 transition count 23927
Discarding 3951 places :
Symmetric choice reduction at 3 with 3951 rule applications. Total rules 12920 place count 9701 transition count 19976
Iterating global reduction 3 with 3951 rules applied. Total rules applied 16871 place count 9701 transition count 19976
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 16871 place count 9701 transition count 19973
Deduced a syphon composed of 3 places in 27 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 16877 place count 9698 transition count 19973
Discarding 981 places :
Symmetric choice reduction at 3 with 981 rule applications. Total rules 17858 place count 8717 transition count 16049
Iterating global reduction 3 with 981 rules applied. Total rules applied 18839 place count 8717 transition count 16049
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 39 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 3 with 66 rules applied. Total rules applied 18905 place count 8684 transition count 16016
Free-agglomeration rule (complex) applied 581 times.
Iterating global reduction 3 with 581 rules applied. Total rules applied 19486 place count 8684 transition count 18288
Reduce places removed 581 places and 0 transitions.
Iterating post reduction 3 with 581 rules applied. Total rules applied 20067 place count 8103 transition count 18288
Partial Free-agglomeration rule applied 165 times.
Drop transitions (Partial Free agglomeration) removed 165 transitions
Iterating global reduction 4 with 165 rules applied. Total rules applied 20232 place count 8103 transition count 18288
Applied a total of 20232 rules in 17265 ms. Remains 8103 /18180 variables (removed 10077) and now considering 18288/28411 (removed 10123) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17286 ms. Remains : 8103/18180 places, 18288/28411 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2648858694323752964.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15529629228706736207.kers'
[2026-05-25 20:28:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2648858694323752964.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15529629228706736207.kers]
Normalized transition count is 16724 out of 18288 initially.
Culling duplicate invariants (modulo rational): removing 671 columns.
Culled 671 columns in 12 ms.
// Phase 1: matrix 16724 rows 7432 cols 55921 entries
Finished phase 1 with 5909 SingleSign rule and 765 generalized
[2026-05-25 20:28:57] [INFO ] Computed 1429 invariants in 361 ms
Computed 1429 P flows in 362 ms.
Exported basis to /tmp/petrispot-output-15529629228706736207.kers
Total runtime 380 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 65, 1, 65]
RANDOM walk for 562732 steps (22274 resets) in 30001 ms. (18 steps per ms)
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3196486 steps (11693 resets) in 20004 ms. (159 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1, 1] Max Struct:[1, 1, 65, 65]
[2026-05-25 20:29:47] [INFO ] Flow matrix only has 16724 transitions (discarded 1564 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3408667643002873572.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15629629514327320808.kers'
[2026-05-25 20:29:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3408667643002873572.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15629629514327320808.kers]
Culling duplicate invariants (modulo rational): removing 671 columns.
Culled 671 columns in 19 ms.
// Phase 1: matrix 16724 rows 7432 cols 55921 entries
Finished phase 1 with 5909 SingleSign rule and 765 generalized
[2026-05-25 20:29:47] [INFO ] Computed 1429 invariants in 380 ms
Computed 1429 P flows in 381 ms.
Exported basis to /tmp/petrispot-output-15629629514327320808.kers
Total runtime 429 ms.
[2026-05-25 20:29:49] [INFO ] [Real]Absence check using 33 positive place invariants in 246 ms returned sat
[2026-05-25 20:29:51] [INFO ] [Real]Absence check using 33 positive and 1396 generalized place invariants in 1645 ms returned sat
[2026-05-25 20:30:14] [INFO ] [Real]Absence check using state equation in 22415 ms returned sat
[2026-05-25 20:30:14] [INFO ] State equation strengthened by 9064 read => feed constraints.
[2026-05-25 20:30:19] [INFO ] [Real]Added 9064 Read/Feed constraints in 4410 ms returned unsat
[2026-05-25 20:30:20] [INFO ] [Real]Absence check using 33 positive place invariants in 112 ms returned sat
[2026-05-25 20:30:21] [INFO ] [Real]Absence check using 33 positive and 1396 generalized place invariants in 832 ms returned sat
[2026-05-25 20:30:42] [INFO ] [Real]Absence check using state equation in 20947 ms returned sat
[2026-05-25 20:30:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:30:44] [INFO ] [Nat]Absence check using 33 positive place invariants in 140 ms returned sat
[2026-05-25 20:30:44] [INFO ] [Nat]Absence check using 33 positive and 1396 generalized place invariants in 517 ms returned sat
[2026-05-25 20:31:03] [INFO ] [Nat]Absence check using state equation in 18897 ms returned sat
[2026-05-25 20:31:09] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 20:31:13] [INFO ] [Nat]Added 9064 Read/Feed constraints in 9716 ms returned unknown
[2026-05-25 20:31:14] [INFO ] [Real]Absence check using 33 positive place invariants in 130 ms returned sat
[2026-05-25 20:31:15] [INFO ] [Real]Absence check using 33 positive and 1396 generalized place invariants in 241 ms returned unsat
[2026-05-25 20:31:16] [INFO ] [Real]Absence check using 33 positive place invariants in 116 ms returned sat
[2026-05-25 20:31:16] [INFO ] [Real]Absence check using 33 positive and 1396 generalized place invariants in 282 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1, 1] Max Struct:[0, 1, 1, 1]
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 8103 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place Node31ThinksNode28ShouldBeNodeMasterToReplaceNode14) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 8103/8103 places, 18286/18286 transitions.
Reduce places removed 1 places and 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 8102 transition count 18280
Reduce places removed 5 places and 2 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 8097 transition count 18278
Reduce places removed 1 places and 2 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 11 place count 8096 transition count 18276
Reduce places removed 1 places and 2 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 12 place count 8095 transition count 18274
Reduce places removed 1 places and 2 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 13 place count 8094 transition count 18272
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 5 with 9 rules applied. Total rules applied 22 place count 8094 transition count 18353
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 31 place count 8085 transition count 18353
Discarding 9 places :
Symmetric choice reduction at 6 with 9 rule applications. Total rules 40 place count 8076 transition count 18344
Iterating global reduction 6 with 9 rules applied. Total rules applied 49 place count 8076 transition count 18344
Applied a total of 49 rules in 6595 ms. Remains 8076 /8103 variables (removed 27) and now considering 18344/18286 (removed -58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6610 ms. Remains : 8076/8103 places, 18344/18286 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11625140415019760710.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2361072092902841113.kers'
[2026-05-25 20:31:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11625140415019760710.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2361072092902841113.kers]
Normalized transition count is 16778 out of 18344 initially.
Culling duplicate invariants (modulo rational): removing 671 columns.
Culled 671 columns in 19 ms.
// Phase 1: matrix 16778 rows 7405 cols 56380 entries
Finished phase 1 with 5890 SingleSign rule and 757 generalized
[2026-05-25 20:31:23] [INFO ] Computed 1429 invariants in 412 ms
Computed 1429 P flows in 413 ms.
Exported basis to /tmp/petrispot-output-2361072092902841113.kers
Total runtime 428 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 544085 steps (21648 resets) in 30001 ms. (18 steps per ms)
BEST_FIRST walk for 787654 steps (2883 resets) in 5001 ms. (157 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 20:31:58] [INFO ] Flow matrix only has 16778 transitions (discarded 1566 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13135931359196079366.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13465253306349722265.kers'
[2026-05-25 20:31:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13135931359196079366.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13465253306349722265.kers]
Culling duplicate invariants (modulo rational): removing 671 columns.
Culled 671 columns in 16 ms.
// Phase 1: matrix 16778 rows 7405 cols 56380 entries
Finished phase 1 with 5890 SingleSign rule and 757 generalized
[2026-05-25 20:31:59] [INFO ] Computed 1429 invariants in 418 ms
Computed 1429 P flows in 419 ms.
Exported basis to /tmp/petrispot-output-13465253306349722265.kers
Total runtime 438 ms.
[2026-05-25 20:32:00] [INFO ] [Real]Absence check using 33 positive place invariants in 113 ms returned sat
[2026-05-25 20:32:01] [INFO ] [Real]Absence check using 33 positive and 1396 generalized place invariants in 928 ms returned sat
[2026-05-25 20:32:13] [INFO ] [Real]Absence check using state equation in 12536 ms returned sat
[2026-05-25 20:32:14] [INFO ] State equation strengthened by 9148 read => feed constraints.
[2026-05-25 20:32:18] [INFO ] [Real]Added 9148 Read/Feed constraints in 4070 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[0]
FORMULA MultiCrashLeafsetExtension-PT-S32C04-UpperBounds-11 0 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 263985 ms.

BK_STOP 1779741138619

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="MultiCrashLeafsetExtension-PT-S32C04"
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 MultiCrashLeafsetExtension-PT-S32C04, 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 r178-oct2-177969020300549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S32C04.tgz
mv MultiCrashLeafsetExtension-PT-S32C04 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 ;