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.r135-tall-171631131400589.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 greatspnxred
Input is DoubleLock-PT-p1s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r135-tall-171631131400589
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Apr 12 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Apr 12 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 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 93K May 18 16:42 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

here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716391597121

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s1
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 15:26:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-22 15:26:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 15:26:38] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2024-05-22 15:26:38] [INFO ] Transformed 64 places.
[2024-05-22 15:26:38] [INFO ] Transformed 204 transitions.
[2024-05-22 15:26:38] [INFO ] Parsed PT model containing 64 places and 204 transitions and 828 arcs in 171 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p1s1-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 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, 0, 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]
[2024-05-22 15:26:38] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 56 cols
[2024-05-22 15:26:38] [INFO ] Computed 4 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 1, +inf, 1, +inf, +inf, +inf, 1, +inf, 1, 10, +inf, 1, +inf]
RANDOM walk for 10007 steps (74 resets) in 42 ms. (232 steps per ms)
FORMULA DoubleLock-PT-p1s1-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80004 steps (88 resets) in 108 ms. (733 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11, 8, 25, 9, 22, 17, 17, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 15:26:38] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2024-05-22 15:26:38] [INFO ] Invariant cache hit.
[2024-05-22 15:26:38] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-22 15:26:38] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 7 ms returned sat
[2024-05-22 15:26:38] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-22 15:26:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-22 15:26:39] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-22 15:26:39] [INFO ] [Nat]Added 23 Read/Feed constraints in 7 ms returned sat
[2024-05-22 15:26:39] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 21 ms.
[2024-05-22 15:26:39] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 9 ms to minimize.
[2024-05-22 15:26:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2024-05-22 15:26:39] [INFO ] Added : 10 causal constraints over 3 iterations in 166 ms. Result :sat
Minimization took 34 ms.
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Added 23 Read/Feed constraints in 8 ms returned sat
[2024-05-22 15:26:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Added 23 Read/Feed constraints in 11 ms returned sat
[2024-05-22 15:26:39] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 2 ms to minimize.
[2024-05-22 15:26:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-22 15:26:39] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 18 ms.
[2024-05-22 15:26:39] [INFO ] Added : 9 causal constraints over 2 iterations in 55 ms. Result :sat
Minimization took 28 ms.
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-22 15:26:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:39] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 0 ms to minimize.
[2024-05-22 15:26:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-22 15:26:39] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 12 ms.
[2024-05-22 15:26:39] [INFO ] Added : 7 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 25 ms.
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Real]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-22 15:26:39] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:40] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 0 ms to minimize.
[2024-05-22 15:26:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
[2024-05-22 15:26:40] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 16 ms.
[2024-05-22 15:26:40] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
[2024-05-22 15:26:40] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 1 ms to minimize.
[2024-05-22 15:26:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2024-05-22 15:26:40] [INFO ] Added : 39 causal constraints over 9 iterations in 281 ms. Result :sat
Minimization took 37 ms.
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:40] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
[2024-05-22 15:26:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-22 15:26:40] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 19 ms.
[2024-05-22 15:26:40] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
[2024-05-22 15:26:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
[2024-05-22 15:26:40] [INFO ] Added : 13 causal constraints over 3 iterations in 111 ms. Result :sat
Minimization took 28 ms.
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Nat]Added 23 Read/Feed constraints in 5 ms returned sat
[2024-05-22 15:26:40] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 16 ms.
[2024-05-22 15:26:40] [INFO ] Added : 22 causal constraints over 5 iterations in 80 ms. Result :sat
Minimization took 31 ms.
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-22 15:26:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:41] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 0 ms to minimize.
[2024-05-22 15:26:41] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-22 15:26:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-22 15:26:41] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 11 ms.
[2024-05-22 15:26:41] [INFO ] Added : 33 causal constraints over 7 iterations in 103 ms. Result :sat
Minimization took 34 ms.
[2024-05-22 15:26:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Real]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:41] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:41] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 15 ms.
[2024-05-22 15:26:41] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 0 ms to minimize.
[2024-05-22 15:26:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-22 15:26:41] [INFO ] Added : 15 causal constraints over 4 iterations in 141 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11, 8, 25, 9, 22, 17, 17, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11, 10, 25, 9, 27, 17, 17, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 196/196 transitions.
Graph (complete) has 357 edges and 56 vertex of which 53 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 20 ms. Remains 53 /56 variables (removed 3) and now considering 196/196 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 53/56 places, 196/196 transitions.
[2024-05-22 15:26:41] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
Found an invariant !
This invariant on transitions {5=2, 8=2, 13=1, 26=1, 33=2, 48=2, 72=2, 85=1, 86=1, 96=2, 98=2, 99=2, 128=2, 136=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1, 26=1, 88=1, 89=1, 139=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 84 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 8) seen :[2147483647, 2147483647, 2147483647, 4, 8, 2147483647, 6, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, +inf, 9, 27, +inf, 17, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-22 15:26:42] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 53 cols
[2024-05-22 15:26:42] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, +inf, 9, 27, +inf, 17, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (7437 resets) in 1197 ms. (834 steps per ms)
FORMULA DoubleLock-PT-p1s1-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4000004 steps (4971 resets) in 1634 ms. (2446 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 50, 17, 13] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-22 15:26:44] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2024-05-22 15:26:44] [INFO ] Invariant cache hit.
[2024-05-22 15:26:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:44] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 15:26:45] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-22 15:26:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 19 ms.
[2024-05-22 15:26:45] [INFO ] Added : 29 causal constraints over 6 iterations in 89 ms. Result :sat
Minimization took 40 ms.
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:26:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 5 ms returned sat
[2024-05-22 15:26:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 9 ms.
[2024-05-22 15:26:45] [INFO ] Added : 10 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 11 ms.
[2024-05-22 15:26:45] [INFO ] Added : 22 causal constraints over 5 iterations in 67 ms. Result :sat
Minimization took 31 ms.
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 15:26:45] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:45] [INFO ] Computed and/alt/rep : 63/438/63 causal constraints (skipped 83 transitions) in 10 ms.
[2024-05-22 15:26:45] [INFO ] Added : 26 causal constraints over 6 iterations in 78 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 50, 17, 13] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 650, 50, 13] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 196/196 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 53 transition count 192
Applied a total of 4 rules in 21 ms. Remains 53 /53 variables (removed 0) and now considering 192/196 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 53/53 places, 192/196 transitions.
[2024-05-22 15:26:45] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
Found an invariant !
This invariant on transitions {5=2, 11=1, 24=1, 28=2, 45=2, 46=2, 81=1, 82=1, 92=2, 94=2, 108=2, 117=2, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 90=1, 91=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 4) seen :[7, 16, 106, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[19, 650, 106, 13] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-22 15:26:46] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
// Phase 1: matrix 144 rows 53 cols
[2024-05-22 15:26:46] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[19, 650, 106, 13] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1537 ms. (650 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 1808 ms. (2211 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1600, 5222, 10594, 1758] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-22 15:26:49] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:26:49] [INFO ] Invariant cache hit.
[2024-05-22 15:26:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-22 15:26:49] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-22 15:26:49] [INFO ] [Real]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:49] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2024-05-22 15:26:49] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
[2024-05-22 15:26:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-22 15:26:49] [INFO ] Computed and/alt/rep : 61/430/61 causal constraints (skipped 81 transitions) in 11 ms.
[2024-05-22 15:26:49] [INFO ] Added : 18 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 28 ms.
[2024-05-22 15:26:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Real]Added 23 Read/Feed constraints in 5 ms returned sat
[2024-05-22 15:26:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 15:26:49] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:50] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 1 ms to minimize.
[2024-05-22 15:26:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-22 15:26:50] [INFO ] Computed and/alt/rep : 61/430/61 causal constraints (skipped 81 transitions) in 9 ms.
[2024-05-22 15:26:50] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 1 ms to minimize.
[2024-05-22 15:26:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-22 15:26:50] [INFO ] Added : 10 causal constraints over 3 iterations in 109 ms. Result :sat
Minimization took 27 ms.
[2024-05-22 15:26:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Real]Added 23 Read/Feed constraints in 6 ms returned sat
[2024-05-22 15:26:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Nat]Added 23 Read/Feed constraints in 5 ms returned sat
[2024-05-22 15:26:50] [INFO ] Computed and/alt/rep : 61/430/61 causal constraints (skipped 81 transitions) in 10 ms.
[2024-05-22 15:26:50] [INFO ] Added : 10 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 25 ms.
[2024-05-22 15:26:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Real]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:26:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-22 15:26:50] [INFO ] [Nat]Added 23 Read/Feed constraints in 4 ms returned sat
[2024-05-22 15:26:50] [INFO ] Deduced a trap composed of 23 places in 50 ms of which 1 ms to minimize.
[2024-05-22 15:26:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-22 15:26:50] [INFO ] Computed and/alt/rep : 61/430/61 causal constraints (skipped 81 transitions) in 9 ms.
[2024-05-22 15:26:50] [INFO ] Added : 7 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1600, 5222, 10594, 1758] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1600, 5222, 572639, 1758] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 192/192 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 53/53 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 192/192 transitions.
Applied a total of 0 rules in 6 ms. Remains 53 /53 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-22 15:27:19] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:27:19] [INFO ] Invariant cache hit.
[2024-05-22 15:27:19] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-22 15:27:19] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:27:19] [INFO ] Invariant cache hit.
[2024-05-22 15:27:19] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-22 15:27:19] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
[2024-05-22 15:27:19] [INFO ] Redundant transitions in 5 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-22 15:27:19] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:27:19] [INFO ] Invariant cache hit.
[2024-05-22 15:27:19] [INFO ] State equation strengthened by 23 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 144/196 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 23/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 1/197 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/197 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 197/197 variables, and 79 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3286 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 144/196 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 23/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 12/90 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 1/197 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 178/269 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/197 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 9 (OVERLAPS) 0/197 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 197/197 variables, and 269 constraints, problems are : Problem set: 0 solved, 190 unsolved in 5950 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 9399ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 9408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9628 ms. Remains : 53/53 places, 192/192 transitions.
[2024-05-22 15:27:28] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
Found an invariant !
This invariant on transitions {5=2, 11=1, 24=1, 28=2, 45=2, 46=2, 81=1, 82=1, 92=2, 94=2, 108=2, 117=2, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 90=1, 91=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :[2147483647, 2147483647, 2147483647, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, +inf, 1758] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-22 15:27:28] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:27:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, +inf, 1758] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1497 ms. (667 steps per ms)
FORMULA DoubleLock-PT-p1s1-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 454 ms. (2197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1758] Max Struct:[+inf]
[2024-05-22 15:27:30] [INFO ] Flow matrix only has 144 transitions (discarded 48 similar events)
[2024-05-22 15:27:30] [INFO ] Invariant cache hit.
[2024-05-22 15:27:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:27:30] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-22 15:27:30] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-22 15:27:30] [INFO ] [Real]Added 23 Read/Feed constraints in 5 ms returned sat
[2024-05-22 15:27:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-22 15:27:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-22 15:27:31] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-22 15:27:31] [INFO ] [Nat]Added 23 Read/Feed constraints in 3 ms returned sat
[2024-05-22 15:27:31] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 1 ms to minimize.
[2024-05-22 15:27:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-22 15:27:31] [INFO ] Computed and/alt/rep : 61/430/61 causal constraints (skipped 81 transitions) in 12 ms.
[2024-05-22 15:27:31] [INFO ] Added : 7 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1758] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1758] Max Struct:[+inf]
Support contains 1 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 192/192 transitions.
Graph (complete) has 342 edges and 53 vertex of which 52 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 51 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 51 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 4 place count 50 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 50 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 6 place count 49 transition count 180
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 49 transition count 180
Applied a total of 7 rules in 14 ms. Remains 49 /53 variables (removed 4) and now considering 180/192 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 49/53 places, 180/192 transitions.
[2024-05-22 15:27:31] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
Found an invariant !
This invariant on transitions {5=2, 6=2, 11=1, 23=1, 43=2, 80=1, 81=1, 88=2, 89=2, 126=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 83=1, 84=1, 129=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-22 15:27:31] [INFO ] Flow matrix only has 135 transitions (discarded 45 similar events)
// Phase 1: matrix 135 rows 49 cols
[2024-05-22 15:27:31] [INFO ] Computed 3 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1368 ms. (730 steps per ms)
FORMULA DoubleLock-PT-p1s1-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-UpperBounds-14 +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 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 54387 ms.
ITS solved all properties within timeout

BK_STOP 1716391652736

--------------------
content from stderr:

+ 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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML

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="DoubleLock-PT-p1s1"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is DoubleLock-PT-p1s1, 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 r135-tall-171631131400589"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s1.tgz
mv DoubleLock-PT-p1s1 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 ;