Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r180-tall-171640602900205.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is FunctionPointer-PT-a064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-tall-171640602900205
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 11 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 11 16:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 34K May 18 16:42 model.pnml

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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

here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-a064-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716449551185

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-a064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-23 07:32:32] [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]
[2024-05-23 07:32:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 07:32:32] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2024-05-23 07:32:32] [INFO ] Transformed 40 places.
[2024-05-23 07:32:32] [INFO ] Transformed 70 transitions.
[2024-05-23 07:32:32] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 145 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a064-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0] Max Struct:[+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, 0, 0, 64, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:32:32] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
// Phase 1: matrix 46 rows 34 cols
[2024-05-23 07:32:32] [INFO ] Computed 4 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0] Max Struct:[+inf, 64, +inf, +inf, +inf, +inf, 1, +inf, 64, 64, 1, +inf]
FORMULA FunctionPointer-PT-a064-UpperBounds-12 64 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10002 steps (27 resets) in 26 ms. (370 steps per ms)
FORMULA FunctionPointer-PT-a064-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-13 64 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80008 steps (124 resets) in 70 ms. (1126 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 21, 8, 26, 7, 7, 6, 5] Max Struct:[+inf, 64, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:32:32] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2024-05-23 07:32:32] [INFO ] Invariant cache hit.
[2024-05-23 07:32:32] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 07:32:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 9 ms returned sat
[2024-05-23 07:32:32] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 07:32:32] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 07:32:32] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-23 07:32:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 07:32:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:32] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-05-23 07:32:32] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:32] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 12 ms to minimize.
[2024-05-23 07:32:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-23 07:32:32] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 6 ms.
[2024-05-23 07:32:33] [INFO ] Added : 13 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 12 ms.
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 5 ms.
[2024-05-23 07:32:33] [INFO ] Added : 19 causal constraints over 6 iterations in 38 ms. Result :sat
Minimization took 16 ms.
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 1 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 68 ms
[2024-05-23 07:32:33] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 4 ms.
[2024-05-23 07:32:33] [INFO ] Added : 13 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 10 ms.
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 11 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 0 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 1 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 80 ms
[2024-05-23 07:32:33] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 9 ms.
[2024-05-23 07:32:33] [INFO ] Added : 6 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 10 ms.
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 0 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2024-05-23 07:32:33] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 7 ms.
[2024-05-23 07:32:33] [INFO ] Added : 13 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 13 ms.
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-23 07:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-23 07:32:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2024-05-23 07:32:33] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 1 ms to minimize.
[2024-05-23 07:32:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2024-05-23 07:32:33] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 4 ms.
[2024-05-23 07:32:33] [INFO ] Added : 13 causal constraints over 3 iterations in 23 ms. Result :sat
Minimization took 10 ms.
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Added 8 Read/Feed constraints in 0 ms returned sat
[2024-05-23 07:32:34] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 0 ms to minimize.
[2024-05-23 07:32:34] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 1 ms to minimize.
[2024-05-23 07:32:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 68 ms
[2024-05-23 07:32:34] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 3 ms.
[2024-05-23 07:32:34] [INFO ] Added : 6 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 8 ms.
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-23 07:32:34] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:34] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 0 ms to minimize.
[2024-05-23 07:32:34] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 1 ms to minimize.
[2024-05-23 07:32:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 68 ms
[2024-05-23 07:32:34] [INFO ] Computed and/alt/rep : 25/101/23 causal constraints (skipped 21 transitions) in 3 ms.
[2024-05-23 07:32:34] [INFO ] Added : 6 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 21, 8, 26, 7, 7, 6, 5] Max Struct:[+inf, 64, +inf, +inf, +inf, +inf, +inf, +inf]
FORMULA FunctionPointer-PT-a064-UpperBounds-01 64 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 185, 26, 7, 7, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 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 32 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 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 32 transition count 65
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 31 transition count 63
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 31 transition count 63
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 31 transition count 61
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 31 transition count 59
Applied a total of 8 rules in 36 ms. Remains 31 /34 variables (removed 3) and now considering 59/66 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 31/34 places, 59/66 transitions.
[2024-05-23 07:32:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Found an invariant !
This invariant on transitions {5=1, 20=1, 31=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {5=1, 20=1, 31=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 7) seen :[4, 151, 9, 7, 16, 17, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 185, 26, 7, 16, 17, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:32:34] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
// Phase 1: matrix 42 rows 31 cols
[2024-05-23 07:32:34] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4, 185, 26, 7, 16, 17, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000015 steps (2 resets) in 474 ms. (2105 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 2300 ms. (3042 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1010, 6647, 82, 2675, 3318, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:32:37] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:32:37] [INFO ] Invariant cache hit.
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-23 07:32:37] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 07:32:37] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:32:37] [INFO ] Added : 16 causal constraints over 4 iterations in 24 ms. Result :sat
Minimization took 10 ms.
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2024-05-23 07:32:37] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 0 ms to minimize.
[2024-05-23 07:32:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2024-05-23 07:32:37] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 2 ms.
[2024-05-23 07:32:37] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 1 ms to minimize.
[2024-05-23 07:32:37] [INFO ] Deduced a trap composed of 6 places in 20 ms of which 0 ms to minimize.
[2024-05-23 07:32:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 51 ms
[2024-05-23 07:32:37] [INFO ] Added : 14 causal constraints over 3 iterations in 72 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:32:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:37] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 0 ms to minimize.
[2024-05-23 07:32:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2024-05-23 07:32:37] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 1 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 0 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 70 ms
[2024-05-23 07:32:38] [INFO ] Added : 19 causal constraints over 5 iterations in 103 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Added 8 Read/Feed constraints in 0 ms returned sat
[2024-05-23 07:32:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 4 ms.
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 0 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2024-05-23 07:32:38] [INFO ] Added : 16 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 0 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 67 ms
[2024-05-23 07:32:38] [INFO ] Added : 16 causal constraints over 4 iterations in 92 ms. Result :sat
Minimization took 10 ms.
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-23 07:32:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2024-05-23 07:32:38] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:32:38] [INFO ] Added : 15 causal constraints over 3 iterations in 19 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-23 07:32:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:32:38] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 2 ms.
[2024-05-23 07:32:38] [INFO ] Added : 16 causal constraints over 4 iterations in 18 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1010, 6647, 82, 2675, 3318, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1010, 593440, 121, 2675, 3318, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 59/59 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 59/59 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 59/59 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 59/59 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 59/59 (removed 0) transitions.
[2024-05-23 07:32:58] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:32:58] [INFO ] Invariant cache hit.
[2024-05-23 07:32:59] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 07:32:59] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:32:59] [INFO ] Invariant cache hit.
[2024-05-23 07:32:59] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 07:32:59] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
[2024-05-23 07:32:59] [INFO ] Redundant transitions in 1 ms returned []
Running 57 sub problems to find dead transitions.
[2024-05-23 07:32:59] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:32:59] [INFO ] Invariant cache hit.
[2024-05-23 07:32:59] [INFO ] State equation strengthened by 8 read => feed constraints.
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, 0/41 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 1/73 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 42 constraints, problems are : Problem set: 0 solved, 57 unsolved in 606 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
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, 4/45 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 1/73 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/73 variables, 53/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/73 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 9 (OVERLAPS) 0/73 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 99 constraints, problems are : Problem set: 0 solved, 57 unsolved in 690 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints]
After SMT, in 1355ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1360ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1481 ms. Remains : 31/31 places, 59/59 transitions.
[2024-05-23 07:33:00] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
Found an invariant !
This invariant on transitions {5=1, 20=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, 31=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 7) seen :[9, 166, 2147483647, 10, 26, 9, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1010, 593440, +inf, 2675, 3318, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:33:00] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:33:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1010, 593440, +inf, 2675, 3318, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000056 steps (2 resets) in 405 ms. (2463 steps per ms)
FORMULA FunctionPointer-PT-a064-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 6000005 steps (12 resets) in 1899 ms. (3157 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1010, 593440, 2700, 3319, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:33:02] [INFO ] Flow matrix only has 42 transitions (discarded 17 similar events)
[2024-05-23 07:33:02] [INFO ] Invariant cache hit.
[2024-05-23 07:33:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:02] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:33:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 07:33:02] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:33:02] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-23 07:33:02] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:02] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:02] [INFO ] Added : 16 causal constraints over 4 iterations in 24 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:33:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:02] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-23 07:33:02] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 8 places in 21 ms of which 1 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2024-05-23 07:33:03] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 1 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 67 ms
[2024-05-23 07:33:03] [INFO ] Added : 14 causal constraints over 3 iterations in 89 ms. Result :sat
Minimization took 13 ms.
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 1 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2024-05-23 07:33:03] [INFO ] Added : 16 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 11 ms.
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 1 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 8 places in 23 ms of which 0 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 66 ms
[2024-05-23 07:33:03] [INFO ] Added : 16 causal constraints over 4 iterations in 86 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
[2024-05-23 07:33:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2024-05-23 07:33:03] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:03] [INFO ] Added : 15 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 9 ms.
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-23 07:33:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-23 07:33:03] [INFO ] Computed and/alt/rep : 25/108/23 causal constraints (skipped 17 transitions) in 3 ms.
[2024-05-23 07:33:03] [INFO ] Added : 16 causal constraints over 4 iterations in 18 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1010, 593440, 2700, 3319, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1010, 1543274, 2700, 3319, 2070, 1039] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 59/59 transitions.
Graph (complete) has 109 edges and 31 vertex of which 28 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 28 transition count 54
Applied a total of 6 rules in 7 ms. Remains 28 /31 variables (removed 3) and now considering 54/59 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 28/31 places, 54/59 transitions.
[2024-05-23 07:33:42] [INFO ] Flow matrix only has 39 transitions (discarded 15 similar events)
Found an invariant !
This invariant on transitions {3=1, 4=1, 5=1, 18=1, 26=1, 36=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 18=1, 28=1, 38=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 6) seen :[2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, +inf, +inf, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 07:33:42] [INFO ] Flow matrix only has 39 transitions (discarded 15 similar events)
// Phase 1: matrix 39 rows 28 cols
[2024-05-23 07:33:42] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, +inf, +inf, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 739 ms. (1351 steps per ms)
FORMULA FunctionPointer-PT-a064-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-a064-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
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:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-23 07:33:43] [INFO ] Flatten gal took : 25 ms
[2024-05-23 07:33:43] [INFO ] Flatten gal took : 9 ms
[2024-05-23 07:33:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6648386520951659988.gal : 6 ms
[2024-05-23 07:33:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13867193826863588690.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6648386520951659988.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13867193826863588690.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 71078 ms.

BK_STOP 1716449623465

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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-a064"
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 2-5568"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-a064, 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 r180-tall-171640602900205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a064.tgz
mv FunctionPointer-PT-a064 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;