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.r146-tall-177961073900085.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 FunctionPointer-PT-b016, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961073900085
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 6.0K Mar 7 07:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 07:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 07:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 7 07:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 7 07:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 07:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Mar 7 07:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 391K 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 FunctionPointer-PT-b016-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b016-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779672515933

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 01:28:37] [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 01:28:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 01:28:37] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2026-05-25 01:28:37] [INFO ] Transformed 306 places.
[2026-05-25 01:28:37] [INFO ] Transformed 840 transitions.
[2026-05-25 01:28:37] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 206 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 84 places in 6 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b016-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b016-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b016-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b016-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0] Max Struct:[+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, 16, 0] Max Struct:[+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-10239793130611441246.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13397777459879964150.kers'
[2026-05-25 01:28:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10239793130611441246.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13397777459879964150.kers]
Normalized transition count is 414 out of 648 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 414 rows 221 cols 1114 entries
Finished phase 1 with 218 SingleSign rule and 0 generalized
[2026-05-25 01:28:37] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13397777459879964150.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0] Max Struct:[1, 16, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 16, 16]
FORMULA FunctionPointer-PT-b016-UpperBounds-13 16 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10010 steps (8 resets) in 78 ms. (126 steps per ms)
FORMULA FunctionPointer-PT-b016-UpperBounds-15 16 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90008 steps (38 resets) in 111 ms. (803 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 1, 9, 2, 1, 2, 7, 16, 3] Max Struct:[16, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 01:28:37] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1616063887696075122.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3492654558890540503.kers'
[2026-05-25 01:28:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1616063887696075122.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3492654558890540503.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 414 rows 221 cols 1114 entries
Finished phase 1 with 218 SingleSign rule and 0 generalized
[2026-05-25 01:28:37] [INFO ] Computed 4 invariants in 2 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3492654558890540503.kers
Total runtime 3 ms.
[2026-05-25 01:28:37] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2026-05-25 01:28:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 5 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2026-05-25 01:28:38] [INFO ] State equation strengthened by 65 read => feed constraints.
[2026-05-25 01:28:38] [INFO ] [Real]Added 65 Read/Feed constraints in 17 ms returned sat
[2026-05-25 01:28:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2026-05-25 01:28:38] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 74 ms.
[2026-05-25 01:28:38] [INFO ] Added : 2 causal constraints over 1 iterations in 156 ms. Result :sat
Minimization took 90 ms.
[2026-05-25 01:28:38] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 01:28:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2026-05-25 01:28:38] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 01:28:39] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 53 ms.
[2026-05-25 01:28:39] [INFO ] Added : 2 causal constraints over 1 iterations in 121 ms. Result :sat
Minimization took 76 ms.
[2026-05-25 01:28:39] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 15 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Real]Added 65 Read/Feed constraints in 24 ms returned sat
[2026-05-25 01:28:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Nat]Added 65 Read/Feed constraints in 14 ms returned sat
[2026-05-25 01:28:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 168 ms
[2026-05-25 01:28:39] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 44 ms.
[2026-05-25 01:28:39] [INFO ] Added : 2 causal constraints over 1 iterations in 94 ms. Result :sat
Minimization took 81 ms.
[2026-05-25 01:28:39] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2026-05-25 01:28:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 01:28:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 259 ms
[2026-05-25 01:28:40] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 38 ms.
[2026-05-25 01:28:40] [INFO ] Added : 2 causal constraints over 1 iterations in 90 ms. Result :sat
Minimization took 91 ms.
[2026-05-25 01:28:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2026-05-25 01:28:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 01:28:40] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 01:28:41] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 42 ms.
[2026-05-25 01:28:41] [INFO ] Added : 2 causal constraints over 1 iterations in 107 ms. Result :sat
Minimization took 95 ms.
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2026-05-25 01:28:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2026-05-25 01:28:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2026-05-25 01:28:41] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 34 ms.
[2026-05-25 01:28:41] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 78 ms.
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2026-05-25 01:28:41] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2026-05-25 01:28:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 01:28:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 136 ms
[2026-05-25 01:28:42] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2026-05-25 01:28:42] [INFO ] Added : 2 causal constraints over 1 iterations in 83 ms. Result :sat
Minimization took 76 ms.
[2026-05-25 01:28:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 01:28:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 01:28:42] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2026-05-25 01:28:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 284 ms
[2026-05-25 01:28:43] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 41 ms.
[2026-05-25 01:28:43] [INFO ] Added : 2 causal constraints over 1 iterations in 88 ms. Result :sat
Minimization took 84 ms.
[2026-05-25 01:28:43] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2026-05-25 01:28:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-25 01:28:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2026-05-25 01:28:43] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2026-05-25 01:28:43] [INFO ] Added : 4 causal constraints over 2 iterations in 88 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 1, 9, 2, 1, 2, 7, 16, 3] Max Struct:[16, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 1, 9, 2, 1, 2, 7, 16, 3] Max Struct:[16, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 195 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.2 ms
Discarding 27 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 195 transition count 611
Discarding 26 places :
Symmetric choice reduction at 1 with 26 rule applications. Total rules 64 place count 169 transition count 469
Iterating global reduction 1 with 26 rules applied. Total rules applied 90 place count 169 transition count 469
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 1 with 38 rules applied. Total rules applied 128 place count 169 transition count 431
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 142 place count 155 transition count 403
Iterating global reduction 2 with 14 rules applied. Total rules applied 156 place count 155 transition count 403
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 164 place count 155 transition count 395
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 170 place count 149 transition count 383
Iterating global reduction 3 with 6 rules applied. Total rules applied 176 place count 149 transition count 383
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 181 place count 144 transition count 363
Iterating global reduction 3 with 5 rules applied. Total rules applied 186 place count 144 transition count 363
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 191 place count 139 transition count 353
Iterating global reduction 3 with 5 rules applied. Total rules applied 196 place count 139 transition count 353
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 200 place count 135 transition count 337
Iterating global reduction 3 with 4 rules applied. Total rules applied 204 place count 135 transition count 337
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 208 place count 131 transition count 321
Iterating global reduction 3 with 4 rules applied. Total rules applied 212 place count 131 transition count 321
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 216 place count 127 transition count 313
Iterating global reduction 3 with 4 rules applied. Total rules applied 220 place count 127 transition count 313
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 224 place count 123 transition count 305
Iterating global reduction 3 with 4 rules applied. Total rules applied 228 place count 123 transition count 305
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 231 place count 120 transition count 299
Iterating global reduction 3 with 3 rules applied. Total rules applied 234 place count 120 transition count 299
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 237 place count 117 transition count 293
Iterating global reduction 3 with 3 rules applied. Total rules applied 240 place count 117 transition count 293
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 243 place count 114 transition count 287
Iterating global reduction 3 with 3 rules applied. Total rules applied 246 place count 114 transition count 287
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 254 place count 114 transition count 279
Applied a total of 254 rules in 125 ms. Remains 114 /222 variables (removed 108) and now considering 279/648 (removed 369) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 114/222 places, 279/648 transitions.
[2026-05-25 01:28:43] [INFO ] Flow matrix only has 183 transitions (discarded 96 similar events)
findPositiveTsemiflow completed in 39 ms - Found solution {29=1, 39=1, 44=1, 87=1, 125=1, 172=1} and attempted to minimize in 0 ms success -> {34=1, 92=1, 146=1, 180=1}
FORMULA FunctionPointer-PT-b016-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-b016-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[16]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5152203479919505956.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5976764450391330203.kers'
[2026-05-25 01:28:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5152203479919505956.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5976764450391330203.kers]
Normalized transition count is 183 out of 279 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 183 rows 114 cols 528 entries
Finished phase 1 with 111 SingleSign rule and 1 generalized
[2026-05-25 01:28:54] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5976764450391330203.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[16]
RANDOM walk for 1000000 steps (2 resets) in 1282 ms. (779 steps per ms)
BEST_FIRST walk for 1000001 steps (6 resets) in 754 ms. (1324 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[16]
[2026-05-25 01:28:56] [INFO ] Flow matrix only has 183 transitions (discarded 96 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8569750739662696650.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13839966360981853877.kers'
[2026-05-25 01:28:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8569750739662696650.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13839966360981853877.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 183 rows 114 cols 528 entries
Finished phase 1 with 111 SingleSign rule and 1 generalized
[2026-05-25 01:28:56] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13839966360981853877.kers
Total runtime 2 ms.
[2026-05-25 01:28:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 01:28:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:56] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 01:28:56] [INFO ] State equation strengthened by 33 read => feed constraints.
[2026-05-25 01:28:56] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2026-05-25 01:28:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 01:28:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:28:56] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-25 01:28:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2026-05-25 01:28:56] [INFO ] Computed and/alt/rep : 58/280/55 causal constraints (skipped 126 transitions) in 14 ms.
[2026-05-25 01:28:56] [INFO ] Added : 1 causal constraints over 1 iterations in 46 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[16]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[16]
Support contains 1 out of 114 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 279/279 transitions.
Graph (complete) has 474 edges and 114 vertex of which 107 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 17 place count 102 transition count 254
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 102 transition count 254
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 102 transition count 252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 28 place count 98 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 32 place count 98 transition count 244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 36 place count 94 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 40 place count 94 transition count 232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 91 transition count 224
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 91 transition count 224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 88 transition count 218
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 88 transition count 218
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 85 transition count 210
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 85 transition count 210
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 82 transition count 204
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 67 place count 79 transition count 198
Iterating global reduction 2 with 3 rules applied. Total rules applied 70 place count 79 transition count 198
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 73 place count 76 transition count 192
Iterating global reduction 2 with 3 rules applied. Total rules applied 76 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 77 place count 75 transition count 190
Iterating global reduction 2 with 1 rules applied. Total rules applied 78 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 79 place count 74 transition count 188
Iterating global reduction 2 with 1 rules applied. Total rules applied 80 place count 74 transition count 188
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 81 place count 73 transition count 186
Iterating global reduction 2 with 1 rules applied. Total rules applied 82 place count 73 transition count 186
Applied a total of 82 rules in 42 ms. Remains 73 /114 variables (removed 41) and now considering 186/279 (removed 93) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 73/114 places, 186/279 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6017648915952811654.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1330337443372761351.kers'
[2026-05-25 01:28:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6017648915952811654.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1330337443372761351.kers]
Normalized transition count is 112 out of 186 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 112 rows 73 cols 330 entries
Finished phase 1 with 70 SingleSign rule and 0 generalized
[2026-05-25 01:28:56] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1330337443372761351.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[16]
RANDOM walk for 1000001 steps (2 resets) in 854 ms. (1169 steps per ms)
FORMULA FunctionPointer-PT-b016-UpperBounds-02 16 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 508 ms. (1964 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 20706 ms.

BK_STOP 1779672537850

--------------------
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="FunctionPointer-PT-b016"
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 FunctionPointer-PT-b016, 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 r146-tall-177961073900085"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b016.tgz
mv FunctionPointer-PT-b016 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 ;