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.r002-oct2-177944366000205.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Anderson-PT-11, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000205
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 8.6K Mar 4 18:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 4 18:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 4 18:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 4 18:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 4 18:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 4 18:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 4 18:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 4 18:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 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 Anderson-PT-11-UpperBounds-00
FORMULA_NAME Anderson-PT-11-UpperBounds-01
FORMULA_NAME Anderson-PT-11-UpperBounds-02
FORMULA_NAME Anderson-PT-11-UpperBounds-03
FORMULA_NAME Anderson-PT-11-UpperBounds-04
FORMULA_NAME Anderson-PT-11-UpperBounds-05
FORMULA_NAME Anderson-PT-11-UpperBounds-06
FORMULA_NAME Anderson-PT-11-UpperBounds-07
FORMULA_NAME Anderson-PT-11-UpperBounds-08
FORMULA_NAME Anderson-PT-11-UpperBounds-09
FORMULA_NAME Anderson-PT-11-UpperBounds-10
FORMULA_NAME Anderson-PT-11-UpperBounds-11
FORMULA_NAME Anderson-PT-11-UpperBounds-12
FORMULA_NAME Anderson-PT-11-UpperBounds-13
FORMULA_NAME Anderson-PT-11-UpperBounds-14
FORMULA_NAME Anderson-PT-11-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779465119354

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-11
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-22 15:52:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 15:52:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 15:52:01] [INFO ] Load time of PNML (sax parser for PT used): 253 ms
[2026-05-22 15:52:01] [INFO ] Transformed 749 places.
[2026-05-22 15:52:01] [INFO ] Transformed 3245 transitions.
[2026-05-22 15:52:01] [INFO ] Found NUPN structural information;
[2026-05-22 15:52:01] [INFO ] Parsed PT model containing 749 places and 3245 transitions and 12540 arcs in 411 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9060066165482771529.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3848310305589857596.kers'
[2026-05-22 15:52:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9060066165482771529.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3848310305589857596.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3245 rows 749 cols 12298 entries
Finished phase 1 with 451 SingleSign rule and 273 generalized
[2026-05-22 15:52:01] [INFO ] Computed 25 invariants in 15 ms
Computed 25 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-3848310305589857596.kers
Total runtime 18 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 89 ms. (111 steps per ms)
FORMULA Anderson-PT-11-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-11-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 158 ms. (251 steps per ms)
FORMULA Anderson-PT-11-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-22 15:52:01] [INFO ] Invariant cache hit.
[2026-05-22 15:52:02] [INFO ] [Real]Absence check using 12 positive place invariants in 23 ms returned sat
[2026-05-22 15:52:02] [INFO ] [Real]Absence check using 12 positive and 13 generalized place invariants in 50 ms returned sat
[2026-05-22 15:52:03] [INFO ] [Real]Absence check using state equation in 1073 ms returned sat
[2026-05-22 15:52:03] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:03] [INFO ] [Real]Added 110 Read/Feed constraints in 166 ms returned sat
[2026-05-22 15:52:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 23 ms returned sat
[2026-05-22 15:52:03] [INFO ] [Nat]Absence check using 12 positive and 13 generalized place invariants in 74 ms returned sat
[2026-05-22 15:52:05] [INFO ] [Nat]Absence check using state equation in 1279 ms returned sat
[2026-05-22 15:52:05] [INFO ] [Nat]Added 110 Read/Feed constraints in 193 ms returned sat
[2026-05-22 15:52:06] [INFO ] Computed and/alt/rep : 132/143/132 causal constraints (skipped 3102 transitions) in 665 ms.
[2026-05-22 15:52:06] [INFO ] Added : 0 causal constraints over 0 iterations in 995 ms. Result :sat
Minimization took 640 ms.
[2026-05-22 15:52:07] [INFO ] [Real]Absence check using 12 positive place invariants in 34 ms returned sat
[2026-05-22 15:52:07] [INFO ] [Real]Absence check using 12 positive and 13 generalized place invariants in 47 ms returned sat
[2026-05-22 15:52:09] [INFO ] [Real]Absence check using state equation in 2061 ms returned sat
[2026-05-22 15:52:09] [INFO ] [Real]Added 110 Read/Feed constraints in 96 ms returned sat
[2026-05-22 15:52:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:10] [INFO ] [Nat]Absence check using 12 positive place invariants in 17 ms returned sat
[2026-05-22 15:52:10] [INFO ] [Nat]Absence check using 12 positive and 13 generalized place invariants in 91 ms returned sat
[2026-05-22 15:52:11] [INFO ] [Nat]Absence check using state equation in 1308 ms returned sat
[2026-05-22 15:52:11] [INFO ] [Nat]Added 110 Read/Feed constraints in 235 ms returned sat
[2026-05-22 15:52:12] [INFO ] Computed and/alt/rep : 132/143/132 causal constraints (skipped 3102 transitions) in 424 ms.
[2026-05-22 15:52:12] [INFO ] Added : 2 causal constraints over 1 iterations in 1121 ms. Result :sat
Minimization took 659 ms.
[2026-05-22 15:52:13] [INFO ] [Real]Absence check using 12 positive place invariants in 28 ms returned sat
[2026-05-22 15:52:13] [INFO ] [Real]Absence check using 12 positive and 13 generalized place invariants in 40 ms returned sat
[2026-05-22 15:52:15] [INFO ] [Real]Absence check using state equation in 1337 ms returned sat
[2026-05-22 15:52:15] [INFO ] [Real]Added 110 Read/Feed constraints in 118 ms returned sat
[2026-05-22 15:52:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:15] [INFO ] [Nat]Absence check using 12 positive place invariants in 17 ms returned sat
[2026-05-22 15:52:15] [INFO ] [Nat]Absence check using 12 positive and 13 generalized place invariants in 40 ms returned sat
[2026-05-22 15:52:17] [INFO ] [Nat]Absence check using state equation in 1761 ms returned sat
[2026-05-22 15:52:17] [INFO ] [Nat]Added 110 Read/Feed constraints in 62 ms returned sat
[2026-05-22 15:52:18] [INFO ] Computed and/alt/rep : 132/143/132 causal constraints (skipped 3102 transitions) in 426 ms.
[2026-05-22 15:52:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1174 ms
[2026-05-22 15:52:20] [INFO ] Added : 2 causal constraints over 2 iterations in 2809 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 749 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 749/749 places, 3245/3245 transitions.
Performed 107 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 107 Pre rules applied. Total rules applied 0 place count 749 transition count 3138
Deduced a syphon composed of 107 places in 3 ms
Reduce places removed 107 places and 0 transitions.
Iterating global reduction 0 with 214 rules applied. Total rules applied 214 place count 642 transition count 3138
Discarding 217 places :
Symmetric choice reduction at 0 with 217 rule applications. Total rules 431 place count 425 transition count 721
Iterating global reduction 0 with 217 rules applied. Total rules applied 648 place count 425 transition count 721
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 654 place count 422 transition count 718
Applied a total of 654 rules in 185 ms. Remains 422 /749 variables (removed 327) and now considering 718/3245 (removed 2527) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 422/749 places, 718/3245 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14622858212011117010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4012444336754653062.kers'
[2026-05-22 15:52:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14622858212011117010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4012444336754653062.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 718 rows 422 cols 2624 entries
Finished phase 1 with 124 SingleSign rule and 273 generalized
[2026-05-22 15:52:20] [INFO ] Computed 25 invariants in 10 ms
Computed 25 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-4012444336754653062.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 2257 ms. (442 steps per ms)
FORMULA Anderson-PT-11-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (4 resets) in 2440 ms. (819 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-22 15:52:25] [INFO ] Invariant cache hit.
[2026-05-22 15:52:25] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-22 15:52:25] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 15 ms returned sat
[2026-05-22 15:52:26] [INFO ] [Real]Absence check using state equation in 328 ms returned sat
[2026-05-22 15:52:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-22 15:52:26] [INFO ] [Nat]Absence check using 13 positive and 12 generalized place invariants in 22 ms returned sat
[2026-05-22 15:52:26] [INFO ] [Nat]Absence check using state equation in 353 ms returned sat
[2026-05-22 15:52:26] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:26] [INFO ] [Nat]Added 110 Read/Feed constraints in 49 ms returned sat
[2026-05-22 15:52:26] [INFO ] Computed and/alt/rep : 25/36/25 causal constraints (skipped 682 transitions) in 68 ms.
[2026-05-22 15:52:26] [INFO ] Added : 0 causal constraints over 0 iterations in 190 ms. Result :sat
Minimization took 555 ms.
[2026-05-22 15:52:27] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-22 15:52:27] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 13 ms returned sat
[2026-05-22 15:52:27] [INFO ] [Real]Absence check using state equation in 215 ms returned sat
[2026-05-22 15:52:27] [INFO ] [Real]Added 110 Read/Feed constraints in 91 ms returned sat
[2026-05-22 15:52:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-22 15:52:28] [INFO ] [Nat]Absence check using 13 positive and 12 generalized place invariants in 14 ms returned sat
[2026-05-22 15:52:28] [INFO ] [Nat]Absence check using state equation in 232 ms returned sat
[2026-05-22 15:52:28] [INFO ] [Nat]Added 110 Read/Feed constraints in 85 ms returned sat
[2026-05-22 15:52:28] [INFO ] Computed and/alt/rep : 25/36/25 causal constraints (skipped 682 transitions) in 94 ms.
[2026-05-22 15:52:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 392 ms
[2026-05-22 15:52:29] [INFO ] Added : 2 causal constraints over 1 iterations in 711 ms. Result :sat
Minimization took 479 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 718/718 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 421 transition count 717
Applied a total of 2 rules in 51 ms. Remains 421 /422 variables (removed 1) and now considering 717/718 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 421/422 places, 717/718 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5672052605680165353.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1301038946652282842.kers'
[2026-05-22 15:52:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5672052605680165353.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1301038946652282842.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 717 rows 421 cols 2622 entries
Finished phase 1 with 123 SingleSign rule and 273 generalized
[2026-05-22 15:52:29] [INFO ] Computed 25 invariants in 4 ms
Computed 25 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1301038946652282842.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (2 resets) in 2000 ms. (499 steps per ms)
FORMULA Anderson-PT-11-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 1141 ms. (875 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-22 15:52:32] [INFO ] Invariant cache hit.
[2026-05-22 15:52:33] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2026-05-22 15:52:33] [INFO ] [Real]Absence check using 12 positive and 13 generalized place invariants in 22 ms returned sat
[2026-05-22 15:52:33] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2026-05-22 15:52:33] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:33] [INFO ] [Real]Added 110 Read/Feed constraints in 51 ms returned sat
[2026-05-22 15:52:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:33] [INFO ] [Nat]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-22 15:52:33] [INFO ] [Nat]Absence check using 12 positive and 13 generalized place invariants in 13 ms returned sat
[2026-05-22 15:52:33] [INFO ] [Nat]Absence check using state equation in 167 ms returned sat
[2026-05-22 15:52:33] [INFO ] [Nat]Added 110 Read/Feed constraints in 94 ms returned sat
[2026-05-22 15:52:33] [INFO ] Computed and/alt/rep : 24/35/24 causal constraints (skipped 682 transitions) in 110 ms.
[2026-05-22 15:52:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 389 ms
[2026-05-22 15:52:34] [INFO ] Added : 2 causal constraints over 1 iterations in 699 ms. Result :sat
Minimization took 415 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 421 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p1_2_20) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 716/716 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 420 transition count 715
Applied a total of 2 rules in 44 ms. Remains 420 /421 variables (removed 1) and now considering 715/716 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 420/421 places, 715/716 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7215793923663297006.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14922165910804620954.kers'
[2026-05-22 15:52:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7215793923663297006.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14922165910804620954.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 715 rows 420 cols 2618 entries
Finished phase 1 with 121 SingleSign rule and 274 generalized
[2026-05-22 15:52:35] [INFO ] Computed 25 invariants in 6 ms
Computed 25 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-14922165910804620954.kers
Total runtime 8 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 2114 ms. (472 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1066 ms. (937 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-22 15:52:38] [INFO ] Invariant cache hit.
[2026-05-22 15:52:38] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 15:52:38] [INFO ] [Real]Absence check using 11 positive and 14 generalized place invariants in 40 ms returned sat
[2026-05-22 15:52:38] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2026-05-22 15:52:38] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:38] [INFO ] [Real]Added 110 Read/Feed constraints in 30 ms returned sat
[2026-05-22 15:52:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 15:52:38] [INFO ] [Nat]Absence check using 11 positive and 14 generalized place invariants in 13 ms returned sat
[2026-05-22 15:52:38] [INFO ] [Nat]Absence check using state equation in 241 ms returned sat
[2026-05-22 15:52:39] [INFO ] [Nat]Added 110 Read/Feed constraints in 72 ms returned sat
[2026-05-22 15:52:39] [INFO ] Computed and/alt/rep : 22/33/22 causal constraints (skipped 682 transitions) in 64 ms.
[2026-05-22 15:52:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 433 ms
[2026-05-22 15:52:39] [INFO ] Added : 2 causal constraints over 1 iterations in 709 ms. Result :sat
Minimization took 503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 715/715 transitions.
Applied a total of 0 rules in 34 ms. Remains 420 /420 variables (removed 0) and now considering 715/715 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 420/420 places, 715/715 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 715/715 transitions.
Applied a total of 0 rules in 22 ms. Remains 420 /420 variables (removed 0) and now considering 715/715 (removed 0) transitions.
[2026-05-22 15:52:40] [INFO ] Invariant cache hit.
[2026-05-22 15:52:41] [INFO ] Implicit Places using invariants in 926 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 937 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 419/420 places, 715/715 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 419 transition count 594
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 242 place count 298 transition count 594
Applied a total of 242 rules in 19 ms. Remains 298 /419 variables (removed 121) and now considering 594/715 (removed 121) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11744885998754706698.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6688526325812674335.kers'
[2026-05-22 15:52:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11744885998754706698.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6688526325812674335.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 594 rows 298 cols 2134 entries
Finished phase 1 with 121 SingleSign rule and 153 generalized
[2026-05-22 15:52:41] [INFO ] Computed 24 invariants in 2 ms
Computed 24 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6688526325812674335.kers
Total runtime 3 ms.
[2026-05-22 15:52:41] [INFO ] Implicit Places using invariants in 401 ms returned []
[2026-05-22 15:52:41] [INFO ] Invariant cache hit.
[2026-05-22 15:52:42] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:43] [INFO ] Implicit Places using invariants and state equation in 1594 ms returned []
Implicit Place search using SMT with State Equation took 2022 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 298/420 places, 594/715 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3005 ms. Remains : 298/420 places, 594/715 transitions.
[2026-05-22 15:52:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1339 ms. (746 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 673 ms. (1483 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-22 15:52:45] [INFO ] Invariant cache hit.
[2026-05-22 15:52:45] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2026-05-22 15:52:45] [INFO ] [Real]Absence check using 12 positive and 12 generalized place invariants in 8 ms returned sat
[2026-05-22 15:52:45] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2026-05-22 15:52:45] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:45] [INFO ] [Real]Added 110 Read/Feed constraints in 14 ms returned sat
[2026-05-22 15:52:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 15:52:45] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-22 15:52:45] [INFO ] [Nat]Absence check using 12 positive and 12 generalized place invariants in 7 ms returned sat
[2026-05-22 15:52:45] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2026-05-22 15:52:45] [INFO ] [Nat]Added 110 Read/Feed constraints in 21 ms returned sat
[2026-05-22 15:52:46] [INFO ] Computed and/alt/rep : 22/33/22 causal constraints (skipped 561 transitions) in 37 ms.
[2026-05-22 15:52:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 319 ms
[2026-05-22 15:52:46] [INFO ] Added : 2 causal constraints over 2 iterations in 479 ms. Result :sat
Minimization took 309 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 298 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 298/298 places, 594/594 transitions.
Applied a total of 0 rules in 23 ms. Remains 298 /298 variables (removed 0) and now considering 594/594 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 298/298 places, 594/594 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 298/298 places, 594/594 transitions.
Applied a total of 0 rules in 11 ms. Remains 298 /298 variables (removed 0) and now considering 594/594 (removed 0) transitions.
[2026-05-22 15:52:46] [INFO ] Invariant cache hit.
[2026-05-22 15:52:47] [INFO ] Implicit Places using invariants in 474 ms returned []
[2026-05-22 15:52:47] [INFO ] Invariant cache hit.
[2026-05-22 15:52:47] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-22 15:52:48] [INFO ] Implicit Places using invariants and state equation in 1575 ms returned []
Implicit Place search using SMT with State Equation took 2070 ms to find 0 implicit places.
[2026-05-22 15:52:49] [INFO ] Redundant transitions in 56 ms returned []
Running 583 sub problems to find dead transitions.
[2026-05-22 15:52:49] [INFO ] Invariant cache hit.
[2026-05-22 15:52:49] [INFO ] State equation strengthened by 110 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/296 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/296 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (OVERLAPS) 1/297 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 297/892 variables, and 22 constraints, problems are : Problem set: 0 solved, 583 unsolved in 30071 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 9/12 constraints, State Equation: 0/298 constraints, ReadFeed: 0/110 constraints, PredecessorRefiner: 583/583 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 583 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/296 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/296 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/296 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 4 (OVERLAPS) 1/297 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 7 (OVERLAPS) 1/298 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/892 variables, and 28 constraints, problems are : Problem set: 0 solved, 583 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 0/298 constraints, ReadFeed: 0/110 constraints, PredecessorRefiner: 0/583 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60393ms problems are : Problem set: 0 solved, 583 unsolved
Search for dead transitions found 0 dead transitions in 60408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62588 ms. Remains : 298/298 places, 594/594 transitions.
RANDOM walk for 40000 steps (8 resets) in 839 ms. (47 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 402 ms. (99 steps per ms) remains 2/2 properties
[2026-05-22 15:53:49] [INFO ] Flatten gal took : 126 ms
BEST_FIRST walk for 40002 steps (8 resets) in 201 ms. (198 steps per ms) remains 2/2 properties
[2026-05-22 15:53:50] [INFO ] Flatten gal took : 70 ms
[2026-05-22 15:53:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7260736216020553999.gal : 71 ms
[2026-05-22 15:53:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3619462153341193645.prop : 2 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/ReachabilityCardinality7260736216020553999.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3619462153341193645.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 ...328
Loading property file /tmp/ReachabilityCardinality3619462153341193645.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 16
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :16 after 28
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :28 after 63
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :63 after 389
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :389 after 1905
Finished probabilistic random walk after 158938 steps, run visited all 2 properties in 1433 ms. (steps per millisecond=110 )
Probabilistic random walk after 158938 steps, saw 124142 distinct states, run finished after 1438 ms. (steps per millisecond=110 ) properties seen :2
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA Anderson-PT-11-UpperBounds-15 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-22 15:53:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 1602 ms. (623 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 112373 ms.

BK_STOP 1779465233155

--------------------
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="Anderson-PT-11"
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 Anderson-PT-11, 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 r002-oct2-177944366000205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-11.tgz
mv Anderson-PT-11 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 ;