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.r050-smll-177946901300524.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 CloudDeployment-PT-7b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901300524
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 7.4K Mar 6 11:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 11:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 11:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 11:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 6 11:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 11:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 11:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:17 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 20M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-00
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-01
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-02
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-03
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-04
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-05
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-06
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-07
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-08
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-09
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-10
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-11
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-12
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-13
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-14
FORMULA_NAME CloudDeployment-PT-7b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779761358546

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-7b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-26 02:09:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 02:09:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 02:09:22] [INFO ] Load time of PNML (sax parser for PT used): 1458 ms
[2026-05-26 02:09:22] [INFO ] Transformed 2271 places.
[2026-05-26 02:09:22] [INFO ] Transformed 19752 transitions.
[2026-05-26 02:09:22] [INFO ] Found NUPN structural information;
[2026-05-26 02:09:22] [INFO ] Parsed PT model containing 2271 places and 19752 transitions and 389666 arcs in 1893 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 33 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA CloudDeployment-PT-7b-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 2271 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2271/2271 places, 19752/19752 transitions.
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 2264 transition count 19752
Discarding 649 places :
Symmetric choice reduction at 1 with 649 rule applications. Total rules 656 place count 1615 transition count 19103
Iterating global reduction 1 with 649 rules applied. Total rules applied 1305 place count 1615 transition count 19103
Discarding 264 places :
Symmetric choice reduction at 1 with 264 rule applications. Total rules 1569 place count 1351 transition count 18839
Iterating global reduction 1 with 264 rules applied. Total rules applied 1833 place count 1351 transition count 18839
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 1 with 42 rules applied. Total rules applied 1875 place count 1351 transition count 18797
Discarding 25 places :
Symmetric choice reduction at 2 with 25 rule applications. Total rules 1900 place count 1326 transition count 18772
Iterating global reduction 2 with 25 rules applied. Total rules applied 1925 place count 1326 transition count 18772
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 1928 place count 1323 transition count 18769
Iterating global reduction 2 with 3 rules applied. Total rules applied 1931 place count 1323 transition count 18769
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 1933 place count 1321 transition count 18767
Iterating global reduction 2 with 2 rules applied. Total rules applied 1935 place count 1321 transition count 18767
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 1936 place count 1320 transition count 18766
Iterating global reduction 2 with 1 rules applied. Total rules applied 1937 place count 1320 transition count 18766
Applied a total of 1937 rules in 2302 ms. Remains 1320 /2271 variables (removed 951) and now considering 18766/19752 (removed 986) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4945846589318974175.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10570855069990739831.kers'
[2026-05-26 02:09:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4945846589318974175.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10570855069990739831.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 67 ms.
// Phase 1: matrix 18766 rows 1319 cols 371194 entries
Finished phase 1 with 1295 SingleSign rule and 3 generalized
[2026-05-26 02:09:26] [INFO ] Computed 22 invariants in 317 ms
Computed 22 P flows in 319 ms.
Exported basis to /tmp/petrispot-output-10570855069990739831.kers
Total runtime 374 ms.
[2026-05-26 02:09:27] [INFO ] Implicit Places using invariants in 1785 ms returned []
Implicit Place search using SMT only with invariants took 1850 ms to find 0 implicit places.
Running 18765 sub problems to find dead transitions.
[2026-05-26 02:09:28] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 18765 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1319/20086 variables, and 22 constraints, problems are : Problem set: 0 solved, 18765 unsolved in 30701 ms.
Refiners :[Generalized P Invariants (flows): 22/22 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 18765/1790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18765 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1319 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 18765 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1319/20086 variables, and 22 constraints, problems are : Problem set: 0 solved, 18765 unsolved in 30518 ms.
Refiners :[Generalized P Invariants (flows): 22/22 constraints, State Equation: 0/1320 constraints, PredecessorRefiner: 16975/1790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 118440ms problems are : Problem set: 0 solved, 18765 unsolved
Search for dead transitions found 0 dead transitions in 118914ms
Starting structural reductions in LTL mode, iteration 1 : 1320/2271 places, 18766/19752 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 123366 ms. Remains : 1320/2271 places, 18766/19752 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 18766/18766 transitions.
Applied a total of 0 rules in 209 ms. Remains 1320 /1320 variables (removed 0) and now considering 18766/18766 (removed 0) transitions.
[2026-05-26 02:11:26] [INFO ] Invariant cache hit.
[2026-05-26 02:11:27] [INFO ] Implicit Places using invariants in 717 ms returned []
Implicit Place search using SMT only with invariants took 723 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 940 ms. Remains : 1320/1320 places, 18766/18766 transitions.
Support contains 39 out of 1320 places after structural reductions.
[2026-05-26 02:11:32] [INFO ] Flatten gal took : 3799 ms
[2026-05-26 02:11:35] [INFO ] Flatten gal took : 3492 ms
[2026-05-26 02:11:40] [INFO ] Input system was already deterministic with 18766 transitions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 40000 steps (176 resets) in 4359 ms. (9 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4003 steps (8 resets) in 80 ms. (49 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 98 ms. (40 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 102 ms. (38 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 102 ms. (38 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 30/30 properties
Interrupted probabilistic random walk after 27580 steps, run timeout after 3001 ms. (steps per millisecond=9 ) properties seen :0 out of 30
Probabilistic random walk after 27580 steps, saw 8858 distinct states, run finished after 3010 ms. (steps per millisecond=9 ) properties seen :0
[2026-05-26 02:11:45] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (OVERLAPS) 256/294 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/294 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 16/310 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 30 unsolved
SMT process timed out in 5467ms, After SMT, problems are : Problem set: 0 solved, 30 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 38 out of 1320 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1320/1320 places, 18766/18766 transitions.
Graph (trivial) has 1336 edges and 1320 vertex of which 497 / 1320 are part of one of the 56 SCC in 27 ms
Free SCC test removed 441 places
Drop transitions (Empty/Sink Transition effects.) removed 561 transitions
Reduce isomorphic transitions removed 561 transitions.
Graph (complete) has 3916 edges and 879 vertex of which 878 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.89 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 347 transitions
Trivial Post-agglo rules discarded 347 transitions
Performed 347 trivial Post agglomeration. Transition count delta: 347
Iterating post reduction 0 with 354 rules applied. Total rules applied 356 place count 878 transition count 17851
Reduce places removed 347 places and 0 transitions.
Iterating post reduction 1 with 347 rules applied. Total rules applied 703 place count 531 transition count 17851
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 703 place count 531 transition count 17767
Deduced a syphon composed of 84 places in 3 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 871 place count 447 transition count 17767
Performed 119 Post agglomeration using F-continuation condition.Transition count delta: 119
Deduced a syphon composed of 119 places in 3 ms
Reduce places removed 119 places and 0 transitions.
Iterating global reduction 2 with 238 rules applied. Total rules applied 1109 place count 328 transition count 17648
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: -329
Deduced a syphon composed of 42 places in 3 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 2 with 84 rules applied. Total rules applied 1193 place count 286 transition count 17977
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 1249 place count 286 transition count 17921
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -84
Deduced a syphon composed of 7 places in 6 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 1263 place count 279 transition count 18005
Drop transitions (Redundant composition of simpler transitions.) removed 287 transitions
Redundant transition composition rules discarded 287 transitions
Iterating global reduction 3 with 287 rules applied. Total rules applied 1550 place count 279 transition count 17718
Free-agglomeration rule applied 70 times with reduction of 42 identical transitions.
Iterating global reduction 3 with 70 rules applied. Total rules applied 1620 place count 279 transition count 17606
Reduce places removed 70 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 188 transitions
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 286 transitions.
Iterating post reduction 3 with 356 rules applied. Total rules applied 1976 place count 209 transition count 17320
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 1983 place count 202 transition count 17264
Iterating global reduction 4 with 7 rules applied. Total rules applied 1990 place count 202 transition count 17264
Drop transitions (Redundant composition of simpler transitions.) removed 126 transitions
Redundant transition composition rules discarded 126 transitions
Iterating global reduction 4 with 126 rules applied. Total rules applied 2116 place count 202 transition count 17138
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 2117 place count 202 transition count 17138
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 2118 place count 201 transition count 17137
Applied a total of 2118 rules in 3193 ms. Remains 201 /1320 variables (removed 1119) and now considering 17137/18766 (removed 1629) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3195 ms. Remains : 201/1320 places, 17137/18766 transitions.
RANDOM walk for 40000 steps (1250 resets) in 9604 ms. (4 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (9 resets) in 68 ms. (58 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 29/29 properties
Interrupted probabilistic random walk after 207277 steps, run timeout after 9001 ms. (steps per millisecond=23 ) properties seen :0 out of 29
Probabilistic random walk after 207277 steps, saw 30950 distinct states, run finished after 9001 ms. (steps per millisecond=23 ) properties seen :0
[2026-05-26 02:12:06] [INFO ] Flow matrix only has 16752 transitions (discarded 385 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17207442799606742432.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6330588736914274388.kers'
[2026-05-26 02:12:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17207442799606742432.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6330588736914274388.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 63 ms.
// Phase 1: matrix 16752 rows 200 cols 361710 entries
Finished phase 1 with 169 SingleSign rule and 3 generalized
[2026-05-26 02:12:06] [INFO ] Computed 29 invariants in 249 ms
Computed 29 P flows in 250 ms.
Exported basis to /tmp/petrispot-output-6330588736914274388.kers
Total runtime 304 ms.
[2026-05-26 02:12:06] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 150/187 variables, 21/22 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 14/201 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp28 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp30 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 16752/16953 variables, 201/230 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16953 variables, 9/239 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16953 variables, 0/239 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/16953 variables, 0/239 constraints. Problems are: Problem set: 22 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16953/16953 variables, and 239 constraints, problems are : Problem set: 22 solved, 7 unsolved in 33313 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 201/201 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 29/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 22 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 1/1 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 150/187 variables, 21/22 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 0/22 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 14/201 variables, 7/29 constraints. Problems are: Problem set: 22 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/29 constraints. Problems are: Problem set: 22 solved, 7 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp24 is UNSAT
After SMT solving in domain Int declared 16953/16953 variables, and 230 constraints, problems are : Problem set: 29 solved, 0 unsolved in 7679 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 201/201 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41657ms problems are : Problem set: 29 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 30 atomic propositions for a total of 14 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA CloudDeployment-PT-7b-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 206 stabilizing places and 17246 stable transitions
Graph (complete) has 4686 edges and 1320 vertex of which 1282 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.171 ms
FORMULA CloudDeployment-PT-7b-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7b-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 18766/18766 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1319 transition count 18766
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 16 place count 1304 transition count 2382
Iterating global reduction 1 with 15 rules applied. Total rules applied 31 place count 1304 transition count 2382
Applied a total of 31 rules in 4825 ms. Remains 1304 /1320 variables (removed 16) and now considering 2382/18766 (removed 16384) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6024563955100038450.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1661140831213282640.kers'
[2026-05-26 02:12:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6024563955100038450.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1661140831213282640.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2382 rows 1304 cols 10766 entries
Finished phase 1 with 1282 SingleSign rule and 1 generalized
[2026-05-26 02:12:53] [INFO ] Computed 21 invariants in 15 ms
Computed 21 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-1661140831213282640.kers
Total runtime 18 ms.
[2026-05-26 02:12:53] [INFO ] Implicit Places using invariants in 641 ms returned []
[2026-05-26 02:12:53] [INFO ] Invariant cache hit.
[2026-05-26 02:12:57] [INFO ] Implicit Places using invariants and state equation in 3994 ms returned [13, 21, 187, 195, 360, 368, 533, 541, 706, 714, 879, 887, 1052, 1060]
[2026-05-26 02:12:57] [INFO ] Actually due to overlaps returned [13]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 4641 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1303/1320 places, 2382/18766 transitions.
Applied a total of 0 rules in 46 ms. Remains 1303 /1303 variables (removed 0) and now considering 2382/2382 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 9513 ms. Remains : 1303/1320 places, 2382/18766 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 460 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-7b-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA CloudDeployment-PT-7b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7b-LTLFireability-02 finished in 10084 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 1320 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1320/1320 places, 18766/18766 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1319 transition count 18766
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 15 place count 1305 transition count 2383
Iterating global reduction 1 with 14 rules applied. Total rules applied 29 place count 1305 transition count 2383
Applied a total of 29 rules in 5149 ms. Remains 1305 /1320 variables (removed 15) and now considering 2383/18766 (removed 16383) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3535180921356167924.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8604386109103804159.kers'
[2026-05-26 02:13:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3535180921356167924.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8604386109103804159.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2383 rows 1305 cols 10768 entries
Finished phase 1 with 1283 SingleSign rule and 1 generalized
[2026-05-26 02:13:03] [INFO ] Computed 21 invariants in 14 ms
Computed 21 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-8604386109103804159.kers
Total runtime 18 ms.
[2026-05-26 02:13:04] [INFO ] Implicit Places using invariants in 535 ms returned []
[2026-05-26 02:13:04] [INFO ] Invariant cache hit.
[2026-05-26 02:13:07] [INFO ] Implicit Places using invariants and state equation in 3358 ms returned [13, 21, 187, 195, 360, 368, 533, 541, 706, 714, 879, 887, 1053, 1061]
[2026-05-26 02:13:07] [INFO ] Actually due to overlaps returned [13]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 3898 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1304/1320 places, 2383/18766 transitions.
Applied a total of 0 rules in 45 ms. Remains 1304 /1304 variables (removed 0) and now considering 2383/2383 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 9094 ms. Remains : 1304/1320 places, 2383/18766 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Stuttering acceptance computed with spot in 211 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-7b-LTLFireability-13
Product exploration explored 100000 steps with 441 reset in 760 ms.
Product exploration explored 100000 steps with 438 reset in 419 ms.
Computed a total of 191 stabilizing places and 863 stable transitions
Graph (complete) has 4626 edges and 1304 vertex of which 1282 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.15 ms
Computed a total of 191 stabilizing places and 863 stable transitions
Knowledge based reduction with 1 factoid took 60 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (173 resets) in 417 ms. (95 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (16 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 152789 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :0 out of 1
Probabilistic random walk after 152789 steps, saw 37594 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13383159849093923431.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10177172643333780229.kers'
[2026-05-26 02:13:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13383159849093923431.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10177172643333780229.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2383 rows 1304 cols 10765 entries
Finished phase 1 with 1283 SingleSign rule and 1 generalized
[2026-05-26 02:13:12] [INFO ] Computed 20 invariants in 14 ms
Computed 20 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-10177172643333780229.kers
Total runtime 19 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/130 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/163 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 244/407 variables, 19/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1216/1623 variables, 319/344 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1623 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 677/2300 variables, 289/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2300 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 659/2959 variables, 280/913 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2959 variables, 0/913 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 539/3498 variables, 269/1182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3498 variables, 0/1182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 154/3652 variables, 121/1303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3652 variables, 0/1303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 28/3680 variables, 14/1317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3680 variables, 0/1317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 7/3687 variables, 7/1324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3687 variables, 0/1324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/3687 variables, 0/1324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3687/3687 variables, and 1324 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1693 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 1304/1304 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/130 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/163 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 244/407 variables, 19/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/407 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1216/1623 variables, 319/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1623 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 677/2300 variables, 289/634 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2300 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 659/2959 variables, 280/914 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2959 variables, 0/914 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 539/3498 variables, 269/1183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3498 variables, 0/1183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 154/3652 variables, 121/1304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3652 variables, 0/1304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 28/3680 variables, 14/1318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3680 variables, 0/1318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 7/3687 variables, 7/1325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3687 variables, 0/1325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/3687 variables, 0/1325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3687/3687 variables, and 1325 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2093 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 1304/1304 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3827ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 150 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=75 )
Parikh walk visited 1 properties in 10 ms.
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7376 ms.
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 1304 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1304/1304 places, 2383/2383 transitions.
Applied a total of 0 rules in 44 ms. Remains 1304 /1304 variables (removed 0) and now considering 2383/2383 (removed 0) transitions.
[2026-05-26 02:13:16] [INFO ] Invariant cache hit.
[2026-05-26 02:13:17] [INFO ] Implicit Places using invariants in 501 ms returned []
[2026-05-26 02:13:17] [INFO ] Invariant cache hit.
[2026-05-26 02:13:21] [INFO ] Implicit Places using invariants and state equation in 4191 ms returned [20, 186, 194, 359, 367, 532, 540, 705, 713, 878, 886, 1052, 1060]
[2026-05-26 02:13:21] [INFO ] Actually due to overlaps returned [20]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 4696 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1303/1304 places, 2383/2383 transitions.
Applied a total of 0 rules in 42 ms. Remains 1303 /1303 variables (removed 0) and now considering 2383/2383 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4783 ms. Remains : 1303/1304 places, 2383/2383 transitions.
Computed a total of 191 stabilizing places and 863 stable transitions
Graph (complete) has 4603 edges and 1303 vertex of which 1282 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.10 ms
Computed a total of 191 stabilizing places and 863 stable transitions
Knowledge based reduction with 1 factoid took 46 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (179 resets) in 341 ms. (116 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (17 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 138334 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 1
Probabilistic random walk after 138334 steps, saw 34742 distinct states, run finished after 3001 ms. (steps per millisecond=46 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4128606122619931620.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5217465022814206151.kers'
[2026-05-26 02:13:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4128606122619931620.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5217465022814206151.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 2383 rows 1303 cols 10762 entries
Finished phase 1 with 1283 SingleSign rule and 1 generalized
[2026-05-26 02:13:24] [INFO ] Computed 19 invariants in 22 ms
Computed 19 P flows in 23 ms.
Exported basis to /tmp/petrispot-output-5217465022814206151.kers
Total runtime 27 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/130 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/154 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 233/387 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/387 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1209/1596 variables, 304/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1596 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 695/2291 variables, 298/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2291 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 663/2954 variables, 283/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2954 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 539/3493 variables, 269/1178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3493 variables, 0/1178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 157/3650 variables, 122/1300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3650 variables, 0/1300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 29/3679 variables, 15/1315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3679 variables, 0/1315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 7/3686 variables, 7/1322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3686 variables, 0/1322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/3686 variables, 0/1322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3686/3686 variables, and 1322 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1698 ms.
Refiners :[Generalized P Invariants (flows): 19/19 constraints, State Equation: 1303/1303 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/130 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 24/154 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/154 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 233/387 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/387 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1209/1596 variables, 304/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1596 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 695/2291 variables, 298/627 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2291 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 663/2954 variables, 283/910 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2954 variables, 0/910 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 539/3493 variables, 269/1179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3493 variables, 0/1179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 157/3650 variables, 122/1301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3650 variables, 0/1301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 29/3679 variables, 15/1316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3679 variables, 0/1316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 7/3686 variables, 7/1323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3686 variables, 0/1323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/3686 variables, 0/1323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3686/3686 variables, and 1323 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2054 ms.
Refiners :[Generalized P Invariants (flows): 19/19 constraints, State Equation: 1303/1303 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3799ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 128 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=64 )
Parikh walk visited 1 properties in 1 ms.
Knowledge based reduction with 1 factoid took 56 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7228 ms.
Stuttering acceptance computed with spot in 173 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Entered a terminal (fully accepting) state of product in 37435 steps with 167 reset in 183 ms.
FORMULA CloudDeployment-PT-7b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7b-LTLFireability-13 finished in 30640 ms.
All properties solved by simple procedures.
Total runtime 248434 ms.

BK_STOP 1779761609099

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="CloudDeployment-PT-7b"
export BK_EXAMINATION="LTLFireability"
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 CloudDeployment-PT-7b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r050-smll-177946901300524"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-7b.tgz
mv CloudDeployment-PT-7b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;