About the Execution of ITS-Tools for BridgeAndVehicles-PT-V20P10N50
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1682.403 | 192111.00 | 244957.00 | 544.10 | 20 1 1 10 20 20 1 1 1 1 20 20 10 10 0 1 | 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.r034-tall-177946841800197.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 BridgeAndVehicles-PT-V20P10N50, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800197
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 14K Mar 5 08:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 08:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 323K Mar 5 08:27 CTLFireability.txt
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-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 12K Mar 15 07:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 15 07:33 LTLCardinality.xml
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-rw-r--r-- 1 mcc users 35K Mar 5 08:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 212K Mar 5 08:28 ReachabilityCardinality.xml
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-rw-r--r-- 1 mcc users 2.3K Mar 15 07:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:33 UpperBounds.xml
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-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
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--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779536735917
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P10N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 11:45:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 11:45:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 11:45:37] [INFO ] Load time of PNML (sax parser for PT used): 175 ms
[2026-05-23 11:45:37] [INFO ] Transformed 108 places.
[2026-05-23 11:45:37] [INFO ] Transformed 2228 transitions.
[2026-05-23 11:45:37] [INFO ] Parsed PT model containing 108 places and 2228 transitions and 17190 arcs in 285 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 14
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 20, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 20, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8981252333162245964.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16003663375134482863.kers'
[2026-05-23 11:45:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8981252333162245964.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16003663375134482863.kers]
Normalized transition count is 290 out of 2228 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 108 cols 1270 entries
Finished phase 1 with 61 SingleSign rule and 40 generalized
[2026-05-23 11:45:37] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16003663375134482863.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 20, 0, 0, 0] Max Struct:[20, 2, 2, 10, 20, 20, 2, 1, 1, 20, 10, 1, 1]
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-11 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (57 resets) in 287 ms. (34 steps per ms)
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-10 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-05 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-13 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-03 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (110 resets) in 167 ms. (297 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 7, 0] Max Struct:[2, 2, 2, 10, 1]
[2026-05-23 11:45:38] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3027775508805439076.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13413001189340313285.kers'
[2026-05-23 11:45:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3027775508805439076.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13413001189340313285.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 108 cols 1270 entries
Finished phase 1 with 61 SingleSign rule and 40 generalized
[2026-05-23 11:45:38] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13413001189340313285.kers
Total runtime 1 ms.
[2026-05-23 11:45:38] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
[2026-05-23 11:45:38] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned unsat
[2026-05-23 11:45:38] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned unsat
[2026-05-23 11:45:38] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-23 11:45:38] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2026-05-23 11:45:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:45:38] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-23 11:45:38] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-23 11:45:38] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-23 11:45:38] [INFO ] [Nat]Added 102 Read/Feed constraints in 29 ms returned sat
[2026-05-23 11:45:38] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 197 transitions) in 183 ms.
[2026-05-23 11:45:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 642 ms
[2026-05-23 11:45:39] [INFO ] Added : 24 causal constraints over 6 iterations in 1146 ms. Result :sat
Minimization took 172 ms.
[2026-05-23 11:45:40] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-23 11:45:40] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-23 11:45:40] [INFO ] [Real]Added 102 Read/Feed constraints in 31 ms returned sat
[2026-05-23 11:45:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:45:40] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-23 11:45:40] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-23 11:45:40] [INFO ] [Nat]Added 102 Read/Feed constraints in 28 ms returned sat
[2026-05-23 11:45:40] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 197 transitions) in 202 ms.
[2026-05-23 11:45:40] [INFO ] Added : 51 causal constraints over 11 iterations in 448 ms. Result :sat
Minimization took 168 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 7, 0] Max Struct:[1, 1, 1, 10, 1]
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 108 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place COMPTEUR_50) removed 42 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 2186/2186 transitions.
Graph (complete) has 875 edges and 108 vertex of which 106 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 105 transition count 2185
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 105 transition count 2185
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 103 transition count 2184
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 101 transition count 2182
Applied a total of 10 rules in 428 ms. Remains 101 /108 variables (removed 7) and now considering 2182/2186 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 436 ms. Remains : 101/108 places, 2182/2186 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10722133983503310998.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3999870694570295308.kers'
[2026-05-23 11:45:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10722133983503310998.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3999870694570295308.kers]
Normalized transition count is 282 out of 2182 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 282 rows 101 cols 1164 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 11:45:42] [INFO ] Computed 4 invariants in 2 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3999870694570295308.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (8021 resets) in 7855 ms. (127 steps per ms)
BEST_FIRST walk for 1000000 steps (3320 resets) in 3287 ms. (304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 11:45:53] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9012103850979476931.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1430151494199279946.kers'
[2026-05-23 11:45:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9012103850979476931.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1430151494199279946.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 282 rows 101 cols 1164 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-23 11:45:53] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1430151494199279946.kers
Total runtime 2 ms.
[2026-05-23 11:45:53] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:45:53] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-23 11:45:53] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 11:45:53] [INFO ] [Real]Added 100 Read/Feed constraints in 28 ms returned sat
[2026-05-23 11:45:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:45:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:45:53] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-23 11:45:53] [INFO ] [Nat]Added 100 Read/Feed constraints in 27 ms returned sat
[2026-05-23 11:45:53] [INFO ] Computed and/alt/rep : 89/176/89 causal constraints (skipped 190 transitions) in 56 ms.
[2026-05-23 11:45:54] [INFO ] Added : 34 causal constraints over 8 iterations in 246 ms. Result :sat
Minimization took 144 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2182/2182 transitions.
Applied a total of 0 rules in 177 ms. Remains 101 /101 variables (removed 0) and now considering 2182/2182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 101/101 places, 2182/2182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2182/2182 transitions.
Applied a total of 0 rules in 233 ms. Remains 101 /101 variables (removed 0) and now considering 2182/2182 (removed 0) transitions.
[2026-05-23 11:45:54] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
[2026-05-23 11:45:54] [INFO ] Invariant cache hit.
[2026-05-23 11:45:55] [INFO ] Implicit Places using invariants in 391 ms returned []
[2026-05-23 11:45:55] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
[2026-05-23 11:45:55] [INFO ] Invariant cache hit.
[2026-05-23 11:45:55] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 11:45:56] [INFO ] Implicit Places using invariants and state equation in 917 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1321 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 99/101 places, 2182/2182 transitions.
Applied a total of 0 rules in 146 ms. Remains 99 /99 variables (removed 0) and now considering 2182/2182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1704 ms. Remains : 99/101 places, 2182/2182 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3744388786311157687.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8640434410565341734.kers'
[2026-05-23 11:45:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3744388786311157687.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8640434410565341734.kers]
Normalized transition count is 282 out of 2182 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 282 rows 99 cols 1082 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 11:45:56] [INFO ] Computed 4 invariants in 5 ms
Computed 4 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8640434410565341734.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (8020 resets) in 7370 ms. (135 steps per ms)
BEST_FIRST walk for 1000001 steps (3319 resets) in 3112 ms. (321 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 11:46:06] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4716961878481877776.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3393324102287361075.kers'
[2026-05-23 11:46:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4716961878481877776.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3393324102287361075.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 282 rows 99 cols 1082 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 11:46:06] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3393324102287361075.kers
Total runtime 1 ms.
[2026-05-23 11:46:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 11:46:07] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2026-05-23 11:46:07] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 11:46:07] [INFO ] [Real]Added 100 Read/Feed constraints in 36 ms returned sat
[2026-05-23 11:46:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:46:07] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:46:07] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-23 11:46:07] [INFO ] [Nat]Added 100 Read/Feed constraints in 29 ms returned sat
[2026-05-23 11:46:07] [INFO ] Computed and/alt/rep : 89/176/89 causal constraints (skipped 190 transitions) in 60 ms.
[2026-05-23 11:46:07] [INFO ] Added : 49 causal constraints over 14 iterations in 323 ms. Result :sat
Minimization took 140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2182/2182 transitions.
Applied a total of 0 rules in 149 ms. Remains 99 /99 variables (removed 0) and now considering 2182/2182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 99/99 places, 2182/2182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2182/2182 transitions.
Applied a total of 0 rules in 143 ms. Remains 99 /99 variables (removed 0) and now considering 2182/2182 (removed 0) transitions.
[2026-05-23 11:46:08] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
[2026-05-23 11:46:08] [INFO ] Invariant cache hit.
[2026-05-23 11:46:08] [INFO ] Implicit Places using invariants in 318 ms returned []
[2026-05-23 11:46:08] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
[2026-05-23 11:46:08] [INFO ] Invariant cache hit.
[2026-05-23 11:46:08] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 11:46:09] [INFO ] Implicit Places using invariants and state equation in 1167 ms returned []
Implicit Place search using SMT with State Equation took 1489 ms to find 0 implicit places.
[2026-05-23 11:46:09] [INFO ] Redundant transitions in 122 ms returned []
Running 2179 sub problems to find dead transitions.
[2026-05-23 11:46:09] [INFO ] Flow matrix only has 282 transitions (discarded 1900 similar events)
[2026-05-23 11:46:09] [INFO ] Invariant cache hit.
[2026-05-23 11:46:09] [INFO ] State equation strengthened by 100 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/381 variables, and 4 constraints, problems are : Problem set: 0 solved, 2179 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2179/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2179 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2179 unsolved
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 99/381 variables, and 5 constraints, problems are : Problem set: 20 solved, 2159 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2139/40 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62085ms problems are : Problem set: 20 solved, 2159 unsolved
Search for dead transitions found 20 dead transitions in 62120ms
Found 20 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 20 transitions
Dead transitions reduction (with SMT) removed 20 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 99/99 places, 2162/2182 transitions.
Applied a total of 0 rules in 147 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
[2026-05-23 11:47:12] [INFO ] Redundant transitions in 48 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 64117 ms. Remains : 99/99 places, 2162/2182 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16133110571417647466.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17563628150383021979.kers'
[2026-05-23 11:47:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16133110571417647466.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17563628150383021979.kers]
Normalized transition count is 281 out of 2162 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 281 rows 99 cols 1080 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 11:47:12] [INFO ] Computed 4 invariants in 2 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17563628150383021979.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (8021 resets) in 7243 ms. (138 steps per ms)
BEST_FIRST walk for 1000001 steps (3311 resets) in 3074 ms. (325 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 11:47:22] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1369687690313397813.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17326426612755342997.kers'
[2026-05-23 11:47:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1369687690313397813.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17326426612755342997.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 281 rows 99 cols 1080 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 11:47:22] [INFO ] Computed 4 invariants in 3 ms
Computed 4 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17326426612755342997.kers
Total runtime 4 ms.
[2026-05-23 11:47:22] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:47:22] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-23 11:47:22] [INFO ] State equation strengthened by 99 read => feed constraints.
[2026-05-23 11:47:22] [INFO ] [Real]Added 99 Read/Feed constraints in 28 ms returned sat
[2026-05-23 11:47:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:47:22] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:47:22] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-23 11:47:22] [INFO ] [Nat]Added 99 Read/Feed constraints in 27 ms returned sat
[2026-05-23 11:47:22] [INFO ] Computed and/alt/rep : 89/176/89 causal constraints (skipped 189 transitions) in 55 ms.
[2026-05-23 11:47:22] [INFO ] Added : 14 causal constraints over 5 iterations in 156 ms. Result :sat
Minimization took 126 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2162/2162 transitions.
Applied a total of 0 rules in 140 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 99/99 places, 2162/2162 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2162/2162 transitions.
Applied a total of 0 rules in 135 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
[2026-05-23 11:47:23] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:47:23] [INFO ] Invariant cache hit.
[2026-05-23 11:47:23] [INFO ] Implicit Places using invariants in 274 ms returned []
[2026-05-23 11:47:24] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:47:24] [INFO ] Invariant cache hit.
[2026-05-23 11:47:24] [INFO ] State equation strengthened by 99 read => feed constraints.
[2026-05-23 11:47:24] [INFO ] Implicit Places using invariants and state equation in 688 ms returned []
Implicit Place search using SMT with State Equation took 963 ms to find 0 implicit places.
[2026-05-23 11:47:24] [INFO ] Redundant transitions in 116 ms returned []
Running 2159 sub problems to find dead transitions.
[2026-05-23 11:47:24] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:47:24] [INFO ] Invariant cache hit.
[2026-05-23 11:47:24] [INFO ] State equation strengthened by 99 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/380 variables, and 4 constraints, problems are : Problem set: 0 solved, 2159 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/99 constraints, PredecessorRefiner: 2159/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2159 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 99/380 variables, and 4 constraints, problems are : Problem set: 0 solved, 2159 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/99 constraints, PredecessorRefiner: 2119/40 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61782ms problems are : Problem set: 0 solved, 2159 unsolved
Search for dead transitions found 0 dead transitions in 61787ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63012 ms. Remains : 99/99 places, 2162/2162 transitions.
RANDOM walk for 40000 steps (320 resets) in 877 ms. (45 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (130 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (129 resets) in 279 ms. (142 steps per ms) remains 2/2 properties
[2026-05-23 11:48:27] [INFO ] Flatten gal took : 312 ms
[2026-05-23 11:48:27] [INFO ] Flatten gal took : 146 ms
[2026-05-23 11:48:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality175195411104876959.gal : 71 ms
[2026-05-23 11:48:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1192572798398657731.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality175195411104876959.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1192572798398657731.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality1192572798398657731.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 5
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :5 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 16
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :16 after 26
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :26 after 52
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :52 after 106
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :106 after 268
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :268 after 1040
Interrupted probabilistic random walk after 268545 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 2
Probabilistic random walk after 268545 steps, saw 76679 distinct states, run finished after 3004 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-23 11:48:30] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:48:30] [INFO ] Invariant cache hit.
[2026-05-23 11:48:30] [INFO ] State equation strengthened by 99 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 198/249 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 45/294 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 84/378 variables, 42/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/378 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/378 variables, 99/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 2/380 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/380 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/380 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 380/380 variables, and 202 constraints, problems are : Problem set: 0 solved, 2 unsolved in 523 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 99/99 constraints, ReadFeed: 99/99 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 198/249 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 45/294 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1040 after 1448
At refinement iteration 9 (OVERLAPS) 84/378 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/378 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 99/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/380 variables, 2/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/380 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/380 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 380/380 variables, and 204 constraints, problems are : Problem set: 0 solved, 2 unsolved in 542 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 99/99 constraints, ReadFeed: 99/99 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1076ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2162/2162 transitions.
Applied a total of 0 rules in 147 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 99/99 places, 2162/2162 transitions.
RANDOM walk for 40000 steps (320 resets) in 579 ms. (68 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (131 resets) in 286 ms. (139 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (130 resets) in 236 ms. (168 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1448 after 1902
Interrupted probabilistic random walk after 279431 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 2
Probabilistic random walk after 279431 steps, saw 79633 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-23 11:48:34] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:48:34] [INFO ] Invariant cache hit.
[2026-05-23 11:48:34] [INFO ] State equation strengthened by 99 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 198/249 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 45/294 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 84/378 variables, 42/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/378 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/378 variables, 99/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 2/380 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/380 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/380 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 380/380 variables, and 202 constraints, problems are : Problem set: 0 solved, 2 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 99/99 constraints, ReadFeed: 99/99 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 50/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 198/249 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 45/294 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/294 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 84/378 variables, 42/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/378 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 99/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/380 variables, 2/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/380 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/380 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 380/380 variables, and 204 constraints, problems are : Problem set: 0 solved, 2 unsolved in 545 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 99/99 constraints, ReadFeed: 99/99 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1008ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2162/2162 transitions.
Applied a total of 0 rules in 148 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 99/99 places, 2162/2162 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2162/2162 transitions.
Applied a total of 0 rules in 136 ms. Remains 99 /99 variables (removed 0) and now considering 2162/2162 (removed 0) transitions.
[2026-05-23 11:48:35] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:48:35] [INFO ] Invariant cache hit.
[2026-05-23 11:48:36] [INFO ] Implicit Places using invariants in 304 ms returned []
[2026-05-23 11:48:36] [INFO ] Flow matrix only has 281 transitions (discarded 1881 similar events)
[2026-05-23 11:48:36] [INFO ] Invariant cache hit.
[2026-05-23 11:48:36] [INFO ] State equation strengthened by 99 read => feed constraints.
[2026-05-23 11:48:36] [INFO ] Implicit Places using invariants and state equation in 706 ms returned []
Implicit Place search using SMT with State Equation took 1012 ms to find 0 implicit places.
[2026-05-23 11:48:37] [INFO ] Redundant transitions in 65 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1219 ms. Remains : 99/99 places, 2162/2162 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1881 transitions
Reduce isomorphic transitions removed 1881 transitions.
Iterating post reduction 0 with 1881 rules applied. Total rules applied 1881 place count 99 transition count 281
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1883 place count 99 transition count 279
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1885 place count 97 transition count 279
Applied a total of 1885 rules in 13 ms. Remains 97 /99 variables (removed 2) and now considering 279/2162 (removed 1883) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3568930090277432896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7951136432956466362.kers'
[2026-05-23 11:48:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3568930090277432896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7951136432956466362.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 279 rows 97 cols 1072 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-23 11:48:37] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7951136432956466362.kers
Total runtime 1 ms.
[2026-05-23 11:48:37] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 11:48:37] [INFO ] After 65ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-23 11:48:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 11:48:37] [INFO ] After 19ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-23 11:48:37] [INFO ] After 117ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-23 11:48:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 28 ms returned sat
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1902 after 3350
[2026-05-23 11:48:37] [INFO ] After 73ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-23 11:48:37] [INFO ] After 15ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 11:48:37] [INFO ] After 51ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 11:48:37] [INFO ] After 193ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 11:48:37] [INFO ] Flatten gal took : 11 ms
[2026-05-23 11:48:37] [INFO ] Flatten gal took : 8 ms
[2026-05-23 11:48:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7150068829208963475.gal : 4 ms
[2026-05-23 11:48:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4179346893661435074.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7150068829208963475.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4179346893661435074.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4179346893661435074.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 22
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :22 after 52
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :52 after 156
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :156 after 390
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :390 after 1276
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1276 after 6528
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :15080 after 15548
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :15548 after 15846
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :15846 after 18301
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :71080 after 71647
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :586700 after 588204
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.4426e+06,3.18927,97436,2,48539,22,449927,8,0,674,314794,0
Total reachable state count : 2442600
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.20372,97436,1,0,22,449927,8,0,675,314794,0
Invariant property MIN0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,3.2286,97436,1,0,22,449927,8,0,675,314794,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved -2 properties in 3611 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-14 0 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-790086642534759438.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8144135515254820586.kers'
[2026-05-23 11:48:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-790086642534759438.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8144135515254820586.kers]
Normalized transition count is 281 out of 2162 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 281 rows 99 cols 1080 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-23 11:48:40] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8144135515254820586.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (8020 resets) in 7263 ms. (137 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 190884 ms.
BK_STOP 1779536928028
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V20P10N50"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-PT-V20P10N50, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841800197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N50.tgz
mv BridgeAndVehicles-PT-V20P10N50 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;