About the Execution of 2025-gold for FunctionPointer-PT-a008
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.r159-tall-177961079700003.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)
.................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is FunctionPointer-PT-a008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079700003
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.8K Mar 7 07:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 07:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 7 07:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 7 07:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 7 07:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Mar 7 07:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 07:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 7 07:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 34K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-a008-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779699852822
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-a008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 09:04:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 09:04:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:04:14] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2026-05-25 09:04:14] [INFO ] Transformed 40 places.
[2026-05-25 09:04:14] [INFO ] Transformed 70 transitions.
[2026-05-25 09:04:14] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 161 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a008-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a008-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +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, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:14] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
// Phase 1: matrix 46 rows 34 cols
[2026-05-25 09:04:14] [INFO ] Computed 4 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 8, 1, 1, +inf, 8, +inf, +inf, 1, 1, +inf, 1, 8, +inf]
FORMULA FunctionPointer-PT-a008-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (43 resets) in 34 ms. (285 steps per ms)
FORMULA FunctionPointer-PT-a008-UpperBounds-14 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-01 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-06 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (53 resets) in 68 ms. (724 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 33, 9, 11, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:14] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-25 09:04:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 09:04:14] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:14] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 09:04:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:14] [INFO ] [Real]Added 8 Read/Feed constraints in 14 ms returned sat
[2026-05-25 09:04:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:14] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:04:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:14] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 3 ms to minimize.
[2026-05-25 09:04:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2026-05-25 09:04:14] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 2 ms to minimize.
[2026-05-25 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2026-05-25 09:04:15] [INFO ] Added : 7 causal constraints over 3 iterations in 147 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 11 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Added 8 Read/Feed constraints in 8 ms returned sat
[2026-05-25 09:04:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 2 ms to minimize.
[2026-05-25 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2026-05-25 09:04:15] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 15 ms.
[2026-05-25 09:04:15] [INFO ] Added : 13 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 2 ms to minimize.
[2026-05-25 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2026-05-25 09:04:15] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 5 ms.
[2026-05-25 09:04:15] [INFO ] Added : 14 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
[2026-05-25 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 136 ms
[2026-05-25 09:04:15] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 4 ms.
[2026-05-25 09:04:15] [INFO ] Added : 19 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 09:04:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:15] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
[2026-05-25 09:04:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-25 09:04:15] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 8 ms.
[2026-05-25 09:04:16] [INFO ] Added : 17 causal constraints over 6 iterations in 58 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 33, 9, 11, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24, 33, 10, 11, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 66/66 transitions.
Graph (complete) has 118 edges and 34 vertex of which 31 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 31 transition count 65
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 31 transition count 63
Applied a total of 4 rules in 20 ms. Remains 31 /34 variables (removed 3) and now considering 63/66 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 31/34 places, 63/66 transitions.
[2026-05-25 09:04:16] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 22=1, 33=1, 42=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {5=1, 22=1, 33=1, 42=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 5) seen :[6, 5, 6, 7, 11]
Current structural bounds on expressions (after cover walk) : Max Seen:[24, 33, 10, 11, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:16] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
// Phase 1: matrix 44 rows 31 cols
[2026-05-25 09:04:16] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[24, 33, 10, 11, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 831 ms. (1201 steps per ms)
BEST_FIRST walk for 5000004 steps (10 resets) in 1794 ms. (2785 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8621, 2871, 1150, 14, 2293] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:19] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 09:04:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:19] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 3 ms to minimize.
[2026-05-25 09:04:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2026-05-25 09:04:19] [INFO ] Added : 4 causal constraints over 2 iterations in 65 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 3 ms to minimize.
[2026-05-25 09:04:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2026-05-25 09:04:19] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 4 ms.
[2026-05-25 09:04:19] [INFO ] Added : 18 causal constraints over 6 iterations in 26 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 1 ms to minimize.
[2026-05-25 09:04:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 82 ms
[2026-05-25 09:04:19] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 7 ms.
[2026-05-25 09:04:19] [INFO ] Added : 18 causal constraints over 6 iterations in 52 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 70 ms of which 2 ms to minimize.
[2026-05-25 09:04:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2026-05-25 09:04:19] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 3 ms.
[2026-05-25 09:04:19] [INFO ] Added : 18 causal constraints over 4 iterations in 28 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:19] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 2 ms to minimize.
[2026-05-25 09:04:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2026-05-25 09:04:19] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 3 ms.
[2026-05-25 09:04:19] [INFO ] Added : 18 causal constraints over 6 iterations in 37 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8621, 2871, 1150, 14, 2293] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8624, 2871, 2185, 14, 2293] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 31/31 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 63/63 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2026-05-25 09:04:30] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:30] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 09:04:30] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:30] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:30] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:04:30] [INFO ] Redundant transitions in 0 ms returned []
Running 61 sub problems to find dead transitions.
[2026-05-25 09:04:30] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:30] [INFO ] Invariant cache hit.
[2026-05-25 09:04:30] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (OVERLAPS) 44/75 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 61 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 8/42 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (OVERLAPS) 0/75 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 42 constraints, problems are : Problem set: 0 solved, 61 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (OVERLAPS) 44/75 variables, 31/34 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 8/42 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 61/103 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 0/75 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 103 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1068 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1642ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 1647ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1741 ms. Remains : 31/31 places, 63/63 transitions.
[2026-05-25 09:04:31] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 22=1, 33=1, 42=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {5=1, 22=1, 33=1, 42=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 5) seen :[2147483647, 2147483647, 2147483647, 9, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, +inf, 14, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2026-05-25 09:04:31] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, +inf, 14, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 713 ms. (1400 steps per ms)
FORMULA FunctionPointer-PT-a008-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a008-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 347 ms. (2873 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14] Max Struct:[+inf]
[2026-05-25 09:04:33] [INFO ] Flow matrix only has 44 transitions (discarded 19 similar events)
[2026-05-25 09:04:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 09:04:33] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 09:04:33] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:33] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 09:04:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:33] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
[2026-05-25 09:04:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2026-05-25 09:04:33] [INFO ] Computed and/alt/rep : 24/100/22 causal constraints (skipped 20 transitions) in 6 ms.
[2026-05-25 09:04:33] [INFO ] Added : 18 causal constraints over 4 iterations in 26 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 63/63 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 61
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 61
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 59
Applied a total of 4 rules in 7 ms. Remains 30 /31 variables (removed 1) and now considering 59/63 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 30/31 places, 59/63 transitions.
[2026-05-25 09:04:33] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 20=1, 23=1, 31=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {5=1, 20=1, 29=1, 38=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
[2026-05-25 09:04:33] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
// Phase 1: matrix 42 rows 30 cols
[2026-05-25 09:04:33] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 650 ms. (1536 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 342 ms. (2915 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14] Max Struct:[+inf]
[2026-05-25 09:04:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:34] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:34] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 09:04:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 09:04:34] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:34] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
[2026-05-25 09:04:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-25 09:04:34] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2026-05-25 09:04:34] [INFO ] Added : 15 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 59/59 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 59/59 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/30 places, 59/59 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 59/59 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 59/59 (removed 0) transitions.
[2026-05-25 09:04:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:34] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 09:04:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:34] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:34] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:04:34] [INFO ] Redundant transitions in 1 ms returned []
Running 57 sub problems to find dead transitions.
[2026-05-25 09:04:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:34] [INFO ] Invariant cache hit.
[2026-05-25 09:04:34] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 42/72 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 41 constraints, problems are : Problem set: 0 solved, 57 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 42/72 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 57/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/72 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 98 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1517 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1906ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1907ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2017 ms. Remains : 30/30 places, 59/59 transitions.
[2026-05-25 09:04:36] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 20=1, 23=1, 31=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {5=1, 20=1, 29=1, 38=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 40009 steps (8 resets) in 355 ms. (112 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
[2026-05-25 09:04:36] [INFO ] Flatten gal took : 25 ms
[2026-05-25 09:04:36] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:04:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7393266797890709493.gal : 6 ms
[2026-05-25 09:04:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8576233617978852933.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7393266797890709493.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8576233617978852933.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8576233617978852933.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 131
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :131 after 4899
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :4899 after 250838
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :250838 after 5.48462e+06
Interrupted probabilistic random walk after 2813681 steps, run timeout after 3001 ms. (steps per millisecond=937 ) properties seen :0 out of 1
Probabilistic random walk after 2813681 steps, saw 1903848 distinct states, run finished after 3004 ms. (steps per millisecond=936 ) properties seen :0
[2026-05-25 09:04:39] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:39] [INFO ] Invariant cache hit.
[2026-05-25 09:04:39] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/33 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/39 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/39 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 27/66 variables, 17/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/66 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/66 variables, 7/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/66 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/72 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 41 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/33 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/39 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/39 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/39 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 27/66 variables, 17/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/66 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/66 variables, 7/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/66 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/72 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/72 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/72 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 42 constraints, problems are : Problem set: 0 solved, 1 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 151 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=151 )
Parikh walk visited 1 properties in 4 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[14] Max Struct:[+inf]
Starting property specific reduction for FunctionPointer-PT-a008-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-25 09:04:39] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2026-05-25 09:04:39] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:39] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:39] [INFO ] [Real]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 09:04:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:39] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:39] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
[2026-05-25 09:04:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-25 09:04:39] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2026-05-25 09:04:39] [INFO ] Added : 15 causal constraints over 3 iterations in 18 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 59/59 transitions.
Applied a total of 0 rules in 3 ms. Remains 30 /30 variables (removed 0) and now considering 59/59 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/30 places, 59/59 transitions.
[2026-05-25 09:04:39] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 20=1, 23=1, 31=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {5=1, 20=1, 29=1, 38=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2026-05-25 09:04:40] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 709 ms. (1408 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 345 ms. (2890 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:41] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 09:04:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:41] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 09:04:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 09:04:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:04:41] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 09:04:41] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:04:41] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
[2026-05-25 09:04:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2026-05-25 09:04:41] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 2 ms.
[2026-05-25 09:04:41] [INFO ] Added : 15 causal constraints over 3 iterations in 16 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 59/59 transitions.
Applied a total of 0 rules in 4 ms. Remains 30 /30 variables (removed 0) and now considering 59/59 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 30/30 places, 59/59 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 59/59 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 59/59 (removed 0) transitions.
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:41] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:04:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 09:04:41] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:04:41] [INFO ] Redundant transitions in 1 ms returned []
Running 57 sub problems to find dead transitions.
[2026-05-25 09:04:41] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2026-05-25 09:04:41] [INFO ] Invariant cache hit.
[2026-05-25 09:04:41] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 42/72 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/72 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 41 constraints, problems are : Problem set: 0 solved, 57 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 42/72 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 57/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/72 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 98 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1425 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1813ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1814ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1908 ms. Remains : 30/30 places, 59/59 transitions.
[2026-05-25 09:04:43] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {3=1, 5=1, 20=1, 23=1, 31=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {5=1, 20=1, 29=1, 38=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2026-05-25 09:04:43] [INFO ] Flatten gal took : 13 ms
[2026-05-25 09:04:43] [INFO ] Flatten gal took : 6 ms
[2026-05-25 09:04:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17515175437948772607.gal : 2 ms
[2026-05-25 09:04:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18143814303805171923.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17515175437948772607.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18143814303805171923.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality18143814303805171923.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 131
RANDOM walk for 30270 steps (6 resets) in 102 ms. (293 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[11] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-a008-UpperBounds-11 in 3435 ms.
[2026-05-25 09:04:43] [INFO ] Flatten gal took : 5 ms
[2026-05-25 09:04:43] [INFO ] Applying decomposition
[2026-05-25 09:04:43] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12926431937480093071.txt' '-o' '/tmp/graph12926431937480093071.bin' '-w' '/tmp/graph12926431937480093071.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12926431937480093071.bin' '-l' '-1' '-v' '-w' '/tmp/graph12926431937480093071.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:04:43] [INFO ] Decomposing Gal with order
[2026-05-25 09:04:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:04:43] [INFO ] Removed a total of 91 redundant transitions.
[2026-05-25 09:04:43] [INFO ] Flatten gal took : 34 ms
[2026-05-25 09:04:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 15 labels/synchronizations in 4 ms.
[2026-05-25 09:04:43] [INFO ] Time to serialize gal into /tmp/UpperBounds16037305660489645522.gal : 2 ms
[2026-05-25 09:04:43] [INFO ] Time to serialize properties into /tmp/UpperBounds3592952317313546350.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16037305660489645522.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3592952317313546350.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds3592952317313546350.prop.
Detected timeout of ITS tools.
[2026-05-25 09:24:52] [INFO ] Flatten gal took : 6 ms
[2026-05-25 09:24:52] [INFO ] Time to serialize gal into /tmp/UpperBounds12998417093009444149.gal : 1 ms
[2026-05-25 09:24:52] [INFO ] Time to serialize properties into /tmp/UpperBounds18437018110166627850.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds12998417093009444149.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18437018110166627850.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds18437018110166627850.prop.
Detected timeout of ITS tools.
[2026-05-25 09:45:02] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:45:02] [INFO ] Input system was already deterministic with 59 transitions.
[2026-05-25 09:45:02] [INFO ] Transformed 30 places.
[2026-05-25 09:45:02] [INFO ] Transformed 59 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-25 09:45:02] [INFO ] Time to serialize gal into /tmp/UpperBounds17659432541363101362.gal : 1 ms
[2026-05-25 09:45:02] [INFO ] Time to serialize properties into /tmp/UpperBounds3263622330918165895.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17659432541363101362.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3263622330918165895.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...350
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds3263622330918165895.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-a008"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is FunctionPointer-PT-a008, 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 r159-tall-177961079700003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a008.tgz
mv FunctionPointer-PT-a008 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 ;