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.r338-smll-178021499100158.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 ErlangenMainframeV1-PT-bP14C01, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100158
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 116M
-rw-r--r-- 1 mcc users 6.6K May 27 08:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 27 08:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K May 27 08:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K May 27 08:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 27 10:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 27 10:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 08:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K May 27 08:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 27 08:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 27 08:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 115M May 26 18:17 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-00
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-01
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-02
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-03
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-04
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-05
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-06
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-07
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-08
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-09
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-10
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-11
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-12
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-13
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-14
FORMULA_NAME ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1780326329192

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP14C01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-06-01 15:05:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-01 15:05:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 15:05:36] [INFO ] Load time of PNML (sax parser for PT used): 5581 ms
[2026-06-01 15:05:37] [INFO ] Transformed 342 places.
[2026-06-01 15:05:37] [INFO ] Transformed 74081 transitions.
[2026-06-01 15:05:37] [INFO ] Found NUPN structural information;
[2026-06-01 15:05:38] [INFO ] Parsed PT model containing 342 places and 74081 transitions and 2311055 arcs in 6894 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 31 ms.
Working with output stream class java.io.PrintStream
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 18982 steps (4 resets) in 120015 ms. (0 steps per ms) remains 8/12 properties
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 17135 steps (3 resets) in 20031 ms. (0 steps per ms) remains 7/8 properties
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-06-01 15:06:15] [INFO ] Flatten gal took : 32906 ms
BEST_FIRST walk for 19610 steps (3 resets) in 20045 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 12574 steps (2 resets) in 20351 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 9920 steps (1 resets) in 20027 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 12180 steps (1 resets) in 20012 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 17306 steps (3 resets) in 20045 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 18740 steps (3 resets) in 20029 ms. (0 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4533565295889654908.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15292376220484950741.kers'
[2026-06-01 15:06:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4533565295889654908.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15292376220484950741.kers]
Culled 0 columns in 506 ms.
// Phase 1: matrix 74081 rows 342 cols 2311055 entries
Finished phase 1 with 305 SingleSign rule and 3 generalized
[2026-06-01 15:06:47] [INFO ] Computed 34 invariants in 2055 ms
Computed 34 P flows in 2068 ms.
Exported basis to /tmp/petrispot-output-15292376220484950741.kers
Total runtime 2405 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 89/89 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 231/320 variables, 20/109 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2026-06-01 15:06:49] [INFO ] Flatten gal took : 33875 ms
At refinement iteration 3 (INCLUDED_ONLY) 0/320 variables, 231/340 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/320 variables, 2/342 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/320 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 22/342 variables, 12/354 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 22/376 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/342 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2026-06-01 15:06:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality748010289453423508.gal : 2462 ms
[2026-06-01 15:06:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15187144377223671105.prop : 3 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/ReachabilityCardinality748010289453423508.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15187144377223671105.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
SMT process timed out in 9448ms, After SMT, problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 89 out of 342 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 342/342 places, 74081/74081 transitions.
Graph (trivial) has 176 edges and 342 vertex of which 7 / 342 are part of one of the 3 SCC in 37 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 72 rules applied. Total rules applied 73 place count 338 transition count 74002
Reduce places removed 72 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Iterating post reduction 1 with 93 rules applied. Total rules applied 166 place count 266 transition count 73981
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 184 place count 248 transition count 73981
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 184 place count 248 transition count 73975
Deduced a syphon composed of 6 places in 135 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 196 place count 242 transition count 73975
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 215 place count 223 transition count 73956
Iterating global reduction 3 with 19 rules applied. Total rules applied 234 place count 223 transition count 73956
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 235 place count 223 transition count 73955
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 235 place count 223 transition count 73954
Deduced a syphon composed of 1 places in 134 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 237 place count 222 transition count 73954
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 242 place count 217 transition count 51417
Ensure Unique test removed 3 places
Iterating global reduction 4 with 8 rules applied. Total rules applied 250 place count 214 transition count 51417
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 251 place count 213 transition count 35033
Iterating global reduction 4 with 1 rules applied. Total rules applied 252 place count 213 transition count 35033
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 32 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 4 with 58 rules applied. Total rules applied 310 place count 184 transition count 35004
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 33 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 312 place count 183 transition count 35004
Free-agglomeration rule applied 16 times.
Iterating global reduction 4 with 16 rules applied. Total rules applied 328 place count 183 transition count 34988
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 344 place count 167 transition count 34988
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 345 place count 167 transition count 34988
Applied a total of 345 rules in 29880 ms. Remains 167 /342 variables (removed 175) and now considering 34988/74081 (removed 39093) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29917 ms. Remains : 167/342 places, 34988/74081 transitions.
RANDOM walk for 40000 steps (8 resets) in 39968 ms. (1 steps per ms) remains 4/7 properties
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 6623 ms. (6 steps per ms) remains 3/4 properties
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 8297 ms. (4 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3797 ms. (10 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 7415 ms. (5 steps per ms) remains 3/3 properties
[2026-06-01 15:07:43] [INFO ] Flow matrix only has 34986 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18368036343952571516.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7871430618542007255.kers'
[2026-06-01 15:07:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18368036343952571516.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7871430618542007255.kers]
Culled 0 columns in 173 ms.
// Phase 1: matrix 34986 rows 167 cols 973317 entries
Finished phase 1 with 134 SingleSign rule and 2 generalized
[2026-06-01 15:07:43] [INFO ] Computed 31 invariants in 727 ms
Computed 31 P flows in 729 ms.
Exported basis to /tmp/petrispot-output-7871430618542007255.kers
Total runtime 850 ms.
[2026-06-01 15:07:44] [INFO ] State equation strengthened by 16389 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 58/126 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 41/167 variables, 14/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 35153/35153 variables, and 198 constraints, problems are : Problem set: 0 solved, 3 unsolved in 38529 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 167/167 constraints, ReadFeed: 0/16389 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 58/126 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-01 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 41/167 variables, 14/31 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SMT process timed out in 86557ms, After SMT, problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 54 out of 167 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 167/167 places, 34988/34988 transitions.
Graph (trivial) has 49 edges and 167 vertex of which 4 / 167 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 165 transition count 34975
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 12 rules applied. Total rules applied 22 place count 156 transition count 34972
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 23 place count 155 transition count 34972
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 27 place count 151 transition count 33945
Ensure Unique test removed 1 places
Iterating global reduction 3 with 5 rules applied. Total rules applied 32 place count 150 transition count 33945
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 34 place count 148 transition count 33177
Ensure Unique test removed 2 places
Iterating global reduction 3 with 4 rules applied. Total rules applied 38 place count 146 transition count 33177
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 33 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 64 place count 133 transition count 33164
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 66 place count 131 transition count 32972
Ensure Unique test removed 2 places
Iterating global reduction 3 with 4 rules applied. Total rules applied 70 place count 129 transition count 32972
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 71 place count 128 transition count 16588
Iterating global reduction 3 with 1 rules applied. Total rules applied 72 place count 128 transition count 16588
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 11 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 74 place count 127 transition count 16588
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 78 place count 127 transition count 16584
Free-agglomeration rule applied 6 times.
Iterating global reduction 3 with 6 rules applied. Total rules applied 84 place count 127 transition count 16578
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 90 place count 121 transition count 16578
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 91 place count 121 transition count 16577
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 92 place count 120 transition count 16576
Applied a total of 92 rules in 36395 ms. Remains 120 /167 variables (removed 47) and now considering 16576/34988 (removed 18412) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36396 ms. Remains : 120/167 places, 16576/34988 transitions.
RANDOM walk for 40000 steps (8 resets) in 26589 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 11051 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 5530 ms. (7 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality15187144377223671105.prop.
Interrupted probabilistic random walk after 252292 steps, run timeout after 33001 ms. (steps per millisecond=7 ) properties seen :0 out of 2
Probabilistic random walk after 252292 steps, saw 85547 distinct states, run finished after 33010 ms. (steps per millisecond=7 ) properties seen :0
[2026-06-01 15:10:30] [INFO ] Flow matrix only has 16570 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17281011975823117869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18417686278650192413.kers'
[2026-06-01 15:10:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17281011975823117869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18417686278650192413.kers]
Culled 0 columns in 67 ms.
// Phase 1: matrix 16570 rows 120 cols 378618 entries
Finished phase 1 with 92 SingleSign rule and 2 generalized
[2026-06-01 15:10:31] [INFO ] Computed 26 invariants in 269 ms
Computed 26 P flows in 270 ms.
Exported basis to /tmp/petrispot-output-18417686278650192413.kers
Total runtime 374 ms.
[2026-06-01 15:10:31] [INFO ] State equation strengthened by 8214 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 35/89 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/120 variables, 14/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 16570/16690 variables, 120/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16690 variables, 8214/8360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16690 variables, 0/8360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/16690 variables, 0/8360 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16690/16690 variables, and 8360 constraints, problems are : Problem set: 0 solved, 2 unsolved in 13923 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 120/120 constraints, ReadFeed: 8214/8214 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 35/89 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/120 variables, 14/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 92283ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 54 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 16576/16576 transitions.
Applied a total of 0 rules in 5558 ms. Remains 120 /120 variables (removed 0) and now considering 16576/16576 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5559 ms. Remains : 120/120 places, 16576/16576 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 16576/16576 transitions.
Applied a total of 0 rules in 5701 ms. Remains 120 /120 variables (removed 0) and now considering 16576/16576 (removed 0) transitions.
[2026-06-01 15:12:14] [INFO ] Flow matrix only has 16570 transitions (discarded 6 similar events)
[2026-06-01 15:12:14] [INFO ] Invariant cache hit.
[2026-06-01 15:12:28] [INFO ] Implicit Places using invariants in 13703 ms returned [81]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13766 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 119/120 places, 16576/16576 transitions.
Applied a total of 0 rules in 5454 ms. Remains 119 /119 variables (removed 0) and now considering 16576/16576 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 24926 ms. Remains : 119/120 places, 16576/16576 transitions.
RANDOM walk for 40000 steps (8 resets) in 26956 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 10333 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 5170 ms. (7 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 304683 steps, run timeout after 39001 ms. (steps per millisecond=7 ) properties seen :0 out of 2
Probabilistic random walk after 304683 steps, saw 102754 distinct states, run finished after 39001 ms. (steps per millisecond=7 ) properties seen :0
[2026-06-01 15:13:26] [INFO ] Flow matrix only has 16570 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2415315152500166237.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15007348783743891336.kers'
[2026-06-01 15:13:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2415315152500166237.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15007348783743891336.kers]
Culled 0 columns in 64 ms.
// Phase 1: matrix 16570 rows 119 cols 362170 entries
Finished phase 1 with 92 SingleSign rule and 2 generalized
[2026-06-01 15:13:26] [INFO ] Computed 25 invariants in 270 ms
Computed 25 P flows in 271 ms.
Exported basis to /tmp/petrispot-output-15007348783743891336.kers
Total runtime 359 ms.
[2026-06-01 15:13:26] [INFO ] State equation strengthened by 8214 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 34/88 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/119 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 16570/16689 variables, 119/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16689 variables, 8214/8358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16689 variables, 0/8358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/16689 variables, 0/8358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16689/16689 variables, and 8358 constraints, problems are : Problem set: 0 solved, 2 unsolved in 13203 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 119/119 constraints, ReadFeed: 8214/8214 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 34/88 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/119 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 16570/16689 variables, 119/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16689 variables, 8214/8362 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16689 variables, 0/8362 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/16689 variables, 0/8362 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16689/16689 variables, and 8362 constraints, problems are : Problem set: 0 solved, 2 unsolved in 61505 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 119/119 constraints, ReadFeed: 8214/8214 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75315ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 625 steps, including 27 resets, run visited all 2 properties in 154 ms. (steps per millisecond=4 )
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP14C01-ReachabilityCardinality-2024-05 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 174 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 550951 ms.

BK_STOP 1780326882268

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="ErlangenMainframeV1-PT-bP14C01"
export BK_EXAMINATION="ReachabilityCardinality"
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 ErlangenMainframeV1-PT-bP14C01, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499100158"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP14C01.tgz
mv ErlangenMainframeV1-PT-bP14C01 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;