About the Execution of ITS-Tools for CircadianClock-PT-010000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 386.995 | 14186.00 | 26798.00 | 251.10 | FFFFFTFFFFFFFFTF | normal |
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-177946901100204.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 CircadianClock-PT-010000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100204
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 6 10:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 10:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Mar 6 10:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 10:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11K 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 CircadianClock-PT-010000-LTLFireability-00
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-01
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-02
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-03
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-04
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-05
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-06
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-07
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-08
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-09
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-10
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-11
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-12
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-13
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-14
FORMULA_NAME CircadianClock-PT-010000-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779562339738
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircadianClock-PT-010000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 18:52:22] [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]
[2026-05-23 18:52:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:52:22] [INFO ] Load time of PNML (sax parser for PT used): 73 ms
[2026-05-23 18:52:22] [INFO ] Transformed 14 places.
[2026-05-23 18:52:22] [INFO ] Transformed 16 transitions.
[2026-05-23 18:52:22] [INFO ] Parsed PT model containing 14 places and 16 transitions and 58 arcs in 269 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CircadianClock-PT-010000-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-010000-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-010000-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-010000-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 14 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 14 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:22] [INFO ] Flow matrix only has 14 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-6147044760947828074.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17908323588094208728.kers'
[2026-05-23 18:52:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6147044760947828074.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17908323588094208728.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 14 rows 7 cols 21 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-23 18:52:22] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17908323588094208728.kers
Total runtime 2 ms.
[2026-05-23 18:52:23] [INFO ] Implicit Places using invariants in 283 ms returned []
[2026-05-23 18:52:23] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:23] [INFO ] Invariant cache hit.
[2026-05-23 18:52:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:23] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 429 ms to find 0 implicit places.
Running 14 sub problems to find dead transitions.
[2026-05-23 18:52:23] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:23] [INFO ] Invariant cache hit.
[2026-05-23 18:52:23] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/28 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 23 constraints, problems are : Problem set: 0 solved, 14 unsolved in 545 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 14/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 37 constraints, problems are : Problem set: 0 solved, 14 unsolved in 486 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1084ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 1105ms
Finished structural reductions in LTL mode , in 1 iterations and 1613 ms. Remains : 14/14 places, 16/16 transitions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:24] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:24] [INFO ] Invariant cache hit.
[2026-05-23 18:52:24] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-23 18:52:24] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:24] [INFO ] Invariant cache hit.
[2026-05-23 18:52:24] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:24] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 91 ms. Remains : 14/14 places, 16/16 transitions.
Support contains 14 out of 14 places after structural reductions.
[2026-05-23 18:52:24] [INFO ] Flatten gal took : 37 ms
[2026-05-23 18:52:24] [INFO ] Flatten gal took : 10 ms
[2026-05-23 18:52:24] [INFO ] Input system was already deterministic with 16 transitions.
Reduction of identical properties reduced properties to check from 20 to 18
RANDOM walk for 40004 steps (0 resets) in 340 ms. (117 steps per ms) remains 13/18 properties
BEST_FIRST walk for 40004 steps (8 resets) in 499 ms. (80 steps per ms) remains 2/13 properties
BEST_FIRST walk for 380 steps (0 resets) in 6 ms. (54 steps per ms) remains 0/2 properties
FORMULA CircadianClock-PT-010000-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable 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' '!(G((p0||G((p0 U p1))||X(X(X(!p1))))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:25] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:25] [INFO ] Invariant cache hit.
[2026-05-23 18:52:26] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-23 18:52:26] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:26] [INFO ] Invariant cache hit.
[2026-05-23 18:52:26] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:26] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 117 ms. Remains : 14/14 places, 16/16 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' '!(G((G((p0 U p1))||X(X(X(!p1)))||p0)))'
Stuttering acceptance computed with spot in 738 ms :[false, p1, false, p1, p1, true, false, false, (NOT p1), (NOT p1)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-03
Entered a terminal (fully accepting) state of product in 33 steps with 1 reset in 4 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-03 finished in 1017 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' '!((F((G(!p0)||G(!p1))) U !p2))'
Support contains 6 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 8 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:26] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:26] [INFO ] Invariant cache hit.
[2026-05-23 18:52:26] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-23 18:52:26] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:26] [INFO ] Invariant cache hit.
[2026-05-23 18:52:27] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:27] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
[2026-05-23 18:52:27] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 175 ms. Remains : 14/14 places, 16/16 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' '!((F((G(!p0)||G(!p1))) U !p2))'
Stuttering acceptance computed with spot in 109 ms :[p2, (AND p0 p1)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 746 ms.
Stack based approach found an accepted trace after 38 steps with 0 reset with depth 39 and stack size 34 in 6 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-04 finished in 1087 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' '!(((F(p0) U X(p1))||((p1 U X(p2))&&F(p3))))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:28] [INFO ] Invariant cache hit.
[2026-05-23 18:52:28] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-23 18:52:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:28] [INFO ] Invariant cache hit.
[2026-05-23 18:52:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:28] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 113 ms. Remains : 14/14 places, 16/16 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' '!(((F(p0) U X(p1))||((p1 U X(p2))&&F(p3))))'
Stuttering acceptance computed with spot in 668 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3)), false, (AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) p1 (NOT p2))]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 222 ms.
Product exploration explored 100000 steps with 50000 reset in 272 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 48 ms. Proved property starting from automaton with 12 states, 21 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 67 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CircadianClock-PT-010000-LTLFireability-05 finished in 1428 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' '!((F(!p0) U (p1&&X(F(p2)))))'
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:29] [INFO ] Invariant cache hit.
[2026-05-23 18:52:29] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-23 18:52:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:29] [INFO ] Invariant cache hit.
[2026-05-23 18:52:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:29] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 14/14 places, 16/16 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' '!((F(!p0) U (p1&&X(F(p2)))))'
Stuttering acceptance computed with spot in 179 ms :[(OR (NOT p1) (NOT p2)), p0, (NOT p2)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-06
Product exploration explored 100000 steps with 18049 reset in 427 ms.
Stack based approach found an accepted trace after 8 steps with 1 reset with depth 5 and stack size 5 in 0 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-06 finished in 784 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' '!((F(G(p0)) U (F(!p1)&&X((p2&&G(F(p1)))))))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:30] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:30] [INFO ] Invariant cache hit.
[2026-05-23 18:52:30] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 18:52:30] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:30] [INFO ] Invariant cache hit.
[2026-05-23 18:52:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:30] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 119 ms. Remains : 14/14 places, 16/16 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' '!((F(G(p0)) U (F(!p1)&&X((p2&&G(F(p1)))))))'
Stuttering acceptance computed with spot in 299 ms :[true, (OR (NOT p1) (NOT p2)), p1, (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-07
Product exploration explored 100000 steps with 13 reset in 260 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 27 in 1 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-07 finished in 752 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' '!(G(F((G(p1)||p0))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:30] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:30] [INFO ] Invariant cache hit.
[2026-05-23 18:52:30] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-23 18:52:30] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:30] [INFO ] Invariant cache hit.
[2026-05-23 18:52:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:31] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-23 18:52:31] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110 ms. Remains : 14/14 places, 16/16 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' '!(G(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-08
Product exploration explored 100000 steps with 2366 reset in 131 ms.
Stack based approach found an accepted trace after 76 steps with 2 reset with depth 24 and stack size 20 in 0 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-08 finished in 379 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' '!(F(G(!p0)))'
Support contains 2 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:31] [INFO ] Invariant cache hit.
[2026-05-23 18:52:31] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-23 18:52:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:31] [INFO ] Invariant cache hit.
[2026-05-23 18:52:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:31] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2026-05-23 18:52:31] [INFO ] Redundant transitions in 19 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 141 ms. Remains : 14/14 places, 16/16 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' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 256 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-09 finished in 493 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' '!(((G(!p0)||(G(p2)&&p1)) U X(p3)))'
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:31] [INFO ] Invariant cache hit.
[2026-05-23 18:52:31] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 18:52:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:31] [INFO ] Invariant cache hit.
[2026-05-23 18:52:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:31] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 109 ms. Remains : 14/14 places, 16/16 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' '!(((G(!p0)||(G(p2)&&p1)) U X(p3)))'
Stuttering acceptance computed with spot in 474 ms :[(NOT p3), (NOT p3), (AND p0 (NOT p3)), (NOT p3), (AND p0 (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), true, p0, (NOT p2), (AND p0 (NOT p2))]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-10 finished in 643 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((F(p1)&&G(!p2)))||p0)))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:32] [INFO ] Invariant cache hit.
[2026-05-23 18:52:32] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-23 18:52:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:32] [INFO ] Invariant cache hit.
[2026-05-23 18:52:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:32] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 14/14 places, 16/16 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((F(p1)&&G(p2)))||p0)))'
Stuttering acceptance computed with spot in 199 ms :[(NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (NOT p1))]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-11 finished in 313 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' '!((G(p0)||((G(p2)&&p1) U X(p3))))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:32] [INFO ] Invariant cache hit.
[2026-05-23 18:52:32] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 18:52:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:32] [INFO ] Invariant cache hit.
[2026-05-23 18:52:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:32] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 100 ms. Remains : 14/14 places, 16/16 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' '!((G(p0)||((G(p2)&&p1) U X(p3))))'
Stuttering acceptance computed with spot in 400 ms :[(AND (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), true, (NOT p2), (NOT p0), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-13 finished in 554 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' '!(G(F(p0)))'
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 18:52:33] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:33] [INFO ] Invariant cache hit.
[2026-05-23 18:52:33] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-23 18:52:33] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 18:52:33] [INFO ] Invariant cache hit.
[2026-05-23 18:52:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 18:52:33] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2026-05-23 18:52:33] [INFO ] Redundant transitions in 17 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110 ms. Remains : 14/14 places, 16/16 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' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CircadianClock-PT-010000-LTLFireability-15
Product exploration explored 100000 steps with 7711 reset in 297 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA CircadianClock-PT-010000-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-010000-LTLFireability-15 finished in 510 ms.
All properties solved by simple procedures.
Total runtime 11711 ms.
BK_STOP 1779562353924
--------------------
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="CircadianClock-PT-010000"
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 CircadianClock-PT-010000, 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-177946901100204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-010000.tgz
mv CircadianClock-PT-010000 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 '
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 ;