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-171640602900229.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)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is FunctionPointer-PT-b004, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-tall-171640602900229
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 820K
-rw-r--r-- 1 mcc users 8.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K 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 62K 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 26K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 11 16:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Apr 11 16:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 14 13:22 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 391K 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 FunctionPointer-PT-b004-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716458498144

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-b004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-23 10:01:39] [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 10:01:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 10:01:39] [INFO ] Load time of PNML (sax parser for PT used): 104 ms
[2024-05-23 10:01:39] [INFO ] Transformed 306 places.
[2024-05-23 10:01:39] [INFO ] Transformed 840 transitions.
[2024-05-23 10:01:39] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 204 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 84 places in 11 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b004-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:01:39] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 10:01:39] [INFO ] Computed 4 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1]
RANDOM walk for 10001 steps (17 resets) in 56 ms. (175 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100009 steps (33 resets) in 105 ms. (943 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 1, 4, 3, 4, 3, 14, 2, 4, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:01:39] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 10:01:39] [INFO ] Invariant cache hit.
[2024-05-23 10:01:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 10:01:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 13 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-05-23 10:01:40] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 10:01:40] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 10:01:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 10:01:40] [INFO ] Deduced a trap composed of 24 places in 138 ms of which 20 ms to minimize.
[2024-05-23 10:01:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 174 ms
[2024-05-23 10:01:40] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 52 ms.
[2024-05-23 10:01:40] [INFO ] Added : 1 causal constraints over 1 iterations in 98 ms. Result :sat
Minimization took 187 ms.
[2024-05-23 10:01:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:41] [INFO ] Deduced a trap composed of 35 places in 93 ms of which 2 ms to minimize.
[2024-05-23 10:01:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2024-05-23 10:01:41] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 63 ms.
[2024-05-23 10:01:41] [INFO ] Added : 3 causal constraints over 1 iterations in 124 ms. Result :sat
Minimization took 77 ms.
[2024-05-23 10:01:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 10:01:41] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 10:01:41] [INFO ] Deduced a trap composed of 55 places in 106 ms of which 1 ms to minimize.
[2024-05-23 10:01:41] [INFO ] Deduced a trap composed of 51 places in 107 ms of which 2 ms to minimize.
[2024-05-23 10:01:42] [INFO ] Deduced a trap composed of 27 places in 97 ms of which 1 ms to minimize.
[2024-05-23 10:01:42] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 369 ms
[2024-05-23 10:01:42] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 49 ms.
[2024-05-23 10:01:42] [INFO ] Added : 3 causal constraints over 1 iterations in 105 ms. Result :sat
Minimization took 80 ms.
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:42] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 2 ms to minimize.
[2024-05-23 10:01:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 117 ms
[2024-05-23 10:01:42] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 10:01:42] [INFO ] Added : 1 causal constraints over 1 iterations in 85 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-23 10:01:42] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:43] [INFO ] Deduced a trap composed of 51 places in 89 ms of which 2 ms to minimize.
[2024-05-23 10:01:43] [INFO ] Deduced a trap composed of 52 places in 91 ms of which 2 ms to minimize.
[2024-05-23 10:01:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 226 ms
[2024-05-23 10:01:43] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 10:01:43] [INFO ] Added : 2 causal constraints over 1 iterations in 81 ms. Result :sat
Minimization took 80 ms.
[2024-05-23 10:01:43] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 10:01:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2024-05-23 10:01:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 10:01:43] [INFO ] Deduced a trap composed of 25 places in 92 ms of which 1 ms to minimize.
[2024-05-23 10:01:43] [INFO ] Deduced a trap composed of 21 places in 89 ms of which 2 ms to minimize.
[2024-05-23 10:01:44] [INFO ] Deduced a trap composed of 108 places in 91 ms of which 2 ms to minimize.
[2024-05-23 10:01:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 321 ms
[2024-05-23 10:01:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-23 10:01:44] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 86 ms.
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2024-05-23 10:01:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-23 10:01:44] [INFO ] Deduced a trap composed of 22 places in 106 ms of which 2 ms to minimize.
[2024-05-23 10:01:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 127 ms
[2024-05-23 10:01:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 10:01:44] [INFO ] Added : 1 causal constraints over 1 iterations in 83 ms. Result :sat
Minimization took 76 ms.
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 10:01:44] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-23 10:01:45] [INFO ] Deduced a trap composed of 26 places in 100 ms of which 2 ms to minimize.
[2024-05-23 10:01:45] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 2 ms to minimize.
[2024-05-23 10:01:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 230 ms
[2024-05-23 10:01:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 10:01:45] [INFO ] Added : 1 causal constraints over 1 iterations in 78 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 10:01:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:01:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-23 10:01:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2024-05-23 10:01:45] [INFO ] Added : 2 causal constraints over 1 iterations in 74 ms. Result :sat
Minimization took 85 ms.
[2024-05-23 10:01:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 10:01:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:01:46] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 2 ms to minimize.
[2024-05-23 10:01:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 119 ms
[2024-05-23 10:01:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-23 10:01:46] [INFO ] Added : 1 causal constraints over 1 iterations in 79 ms. Result :sat
Minimization took 75 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 1, 4, 3, 4, 3, 14, 2, 4, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 1, 4, 3, 4, 3, 14, 2, 4, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 195 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.3 ms
Discarding 27 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 195 transition count 611
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 63 place count 170 transition count 455
Iterating global reduction 1 with 25 rules applied. Total rules applied 88 place count 170 transition count 455
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 112 place count 170 transition count 431
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 127 place count 155 transition count 401
Iterating global reduction 2 with 15 rules applied. Total rules applied 142 place count 155 transition count 401
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 146 place count 155 transition count 397
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 152 place count 149 transition count 385
Iterating global reduction 3 with 6 rules applied. Total rules applied 158 place count 149 transition count 385
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 164 place count 143 transition count 361
Iterating global reduction 3 with 6 rules applied. Total rules applied 170 place count 143 transition count 361
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 175 place count 138 transition count 351
Iterating global reduction 3 with 5 rules applied. Total rules applied 180 place count 138 transition count 351
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 184 place count 134 transition count 335
Iterating global reduction 3 with 4 rules applied. Total rules applied 188 place count 134 transition count 335
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 192 place count 130 transition count 319
Iterating global reduction 3 with 4 rules applied. Total rules applied 196 place count 130 transition count 319
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 200 place count 126 transition count 311
Iterating global reduction 3 with 4 rules applied. Total rules applied 204 place count 126 transition count 311
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 208 place count 122 transition count 303
Iterating global reduction 3 with 4 rules applied. Total rules applied 212 place count 122 transition count 303
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 216 place count 118 transition count 295
Iterating global reduction 3 with 4 rules applied. Total rules applied 220 place count 118 transition count 295
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 224 place count 114 transition count 287
Iterating global reduction 3 with 4 rules applied. Total rules applied 228 place count 114 transition count 287
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 231 place count 111 transition count 281
Iterating global reduction 3 with 3 rules applied. Total rules applied 234 place count 111 transition count 281
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 242 place count 111 transition count 273
Applied a total of 242 rules in 125 ms. Remains 111 /222 variables (removed 111) and now considering 273/648 (removed 375) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 111/222 places, 273/648 transitions.
[2024-05-23 10:01:46] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 10) seen :[2, 34, 4, 2, 0, 0, 4, 4, 5, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 34, 4, 3, 4, 3, 14, 4, 5, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:01:46] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
// Phase 1: matrix 178 rows 111 cols
[2024-05-23 10:01:46] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, 34, 4, 3, 4, 3, 14, 4, 5, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1209 ms. (826 steps per ms)
BEST_FIRST walk for 10000010 steps (23 resets) in 4815 ms. (2076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[626, 599, 4, 395, 4, 5, 1959, 6, 1205, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:01:52] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:01:52] [INFO ] Invariant cache hit.
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:01:53] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:01:53] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:01:53] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 17 ms.
[2024-05-23 10:01:53] [INFO ] Added : 19 causal constraints over 6 iterations in 92 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:01:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:01:53] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-23 10:01:53] [INFO ] Added : 30 causal constraints over 7 iterations in 104 ms. Result :sat
Minimization took 38 ms.
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:01:53] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:01:53] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:01:53] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:01:53] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:01:54] [INFO ] Added : 7 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Added 33 Read/Feed constraints in 10 ms returned sat
[2024-05-23 10:01:54] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:01:54] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:54] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:01:54] [INFO ] Added : 7 causal constraints over 2 iterations in 39 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Added 33 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:01:54] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:01:54] [INFO ] Added : 4 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-23 10:01:54] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:01:54] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:01:54] [INFO ] Added : 11 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:55] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-23 10:01:55] [INFO ] Added : 20 causal constraints over 5 iterations in 79 ms. Result :sat
Minimization took 37 ms.
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:01:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:01:55] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:01:55] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:01:55] [INFO ] Added : 9 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[626, 599, 4, 395, 4, 5, 1959, 6, 1205, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[626, 6635, 4, 395, 4, 5, 1959, 11, 1205, 12] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 22 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 111/111 places, 273/273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 8 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
[2024-05-23 10:02:05] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:02:05] [INFO ] Invariant cache hit.
[2024-05-23 10:02:05] [INFO ] Implicit Places using invariants in 106 ms returned []
[2024-05-23 10:02:05] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:02:05] [INFO ] Invariant cache hit.
[2024-05-23 10:02:05] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:02:05] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
[2024-05-23 10:02:05] [INFO ] Redundant transitions in 11 ms returned []
Running 271 sub problems to find dead transitions.
[2024-05-23 10:02:05] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:02:05] [INFO ] Invariant cache hit.
[2024-05-23 10:02:05] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 146 constraints, problems are : Problem set: 0 solved, 271 unsolved in 7608 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 32/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 239/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 10 (OVERLAPS) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 417 constraints, problems are : Problem set: 0 solved, 271 unsolved in 10070 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 18011ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 18024ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18302 ms. Remains : 111/111 places, 273/273 transitions.
[2024-05-23 10:02:23] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 10) seen :[0, 0, 0, 1, 2, 2, 3, 0, 0, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[626, 6635, 4, 395, 4, 5, 1959, 11, 1205, 12] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:02:23] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:02:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[626, 6635, 4, 395, 4, 5, 1959, 11, 1205, 12] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1194 ms. (836 steps per ms)
BEST_FIRST walk for 10000009 steps (22 resets) in 4614 ms. (2166 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[626, 6635, 4, 505, 4, 5, 3445, 382, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:02:29] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:02:29] [INFO ] Invariant cache hit.
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:02:29] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:02:29] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:02:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:02:29] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:29] [INFO ] Added : 19 causal constraints over 6 iterations in 83 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2024-05-23 10:02:29] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:29] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:02:30] [INFO ] Added : 30 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 40 ms.
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:02:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:02:30] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:30] [INFO ] Added : 7 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:02:30] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:02:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:02:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:30] [INFO ] Added : 7 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:02:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:02:31] [INFO ] Added : 4 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:02:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:31] [INFO ] Added : 11 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:31] [INFO ] Added : 20 causal constraints over 5 iterations in 70 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:02:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:02:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:02:31] [INFO ] Added : 9 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[626, 6635, 4, 505, 4, 5, 3445, 382, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[626, 131544, 4, 505, 4, 5, 3445, 382, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 8 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 111/111 places, 273/273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 7 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
[2024-05-23 10:03:05] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:03:05] [INFO ] Invariant cache hit.
[2024-05-23 10:03:06] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-23 10:03:06] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:03:06] [INFO ] Invariant cache hit.
[2024-05-23 10:03:06] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:03:06] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2024-05-23 10:03:06] [INFO ] Redundant transitions in 12 ms returned []
Running 271 sub problems to find dead transitions.
[2024-05-23 10:03:06] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:03:06] [INFO ] Invariant cache hit.
[2024-05-23 10:03:06] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 146 constraints, problems are : Problem set: 0 solved, 271 unsolved in 6957 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 32/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 239/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 10 (OVERLAPS) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 417 constraints, problems are : Problem set: 0 solved, 271 unsolved in 9833 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 16992ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 16996ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17260 ms. Remains : 111/111 places, 273/273 transitions.
[2024-05-23 10:03:23] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 6 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 10) seen :[2, 40, 2, 2, 3, 3, 4, 1, 3, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[626, 131544, 4, 505, 4, 5, 3445, 382, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:03:23] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:03:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[626, 131544, 4, 505, 4, 5, 3445, 382, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1192 ms. (838 steps per ms)
BEST_FIRST walk for 10000010 steps (25 resets) in 4611 ms. (2168 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[626, 131544, 4, 1118, 4, 5, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:03:29] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:03:29] [INFO ] Invariant cache hit.
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:03:29] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:03:29] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:03:29] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:03:29] [INFO ] Added : 19 causal constraints over 6 iterations in 84 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:29] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:03:29] [INFO ] Added : 30 causal constraints over 7 iterations in 94 ms. Result :sat
Minimization took 38 ms.
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:29] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:03:29] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:03:30] [INFO ] Added : 7 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:03:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:03:30] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:03:30] [INFO ] Added : 7 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:03:30] [INFO ] Added : 4 causal constraints over 2 iterations in 39 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:03:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:03:30] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:03:30] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:03:30] [INFO ] Added : 11 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:03:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:03:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:03:31] [INFO ] Added : 20 causal constraints over 5 iterations in 78 ms. Result :sat
Minimization took 38 ms.
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:03:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:03:31] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:03:31] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:03:31] [INFO ] Added : 9 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[626, 131544, 4, 1118, 4, 5, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[626, 131544, 4, 1118, 4, 6, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 8 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 111/111 places, 273/273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 7 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
[2024-05-23 10:04:15] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:04:15] [INFO ] Invariant cache hit.
[2024-05-23 10:04:16] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-23 10:04:16] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:04:16] [INFO ] Invariant cache hit.
[2024-05-23 10:04:16] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:04:16] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
[2024-05-23 10:04:16] [INFO ] Redundant transitions in 3 ms returned []
Running 271 sub problems to find dead transitions.
[2024-05-23 10:04:16] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:04:16] [INFO ] Invariant cache hit.
[2024-05-23 10:04:16] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 146 constraints, problems are : Problem set: 0 solved, 271 unsolved in 7135 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 32/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 239/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 10 (OVERLAPS) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 417 constraints, problems are : Problem set: 0 solved, 271 unsolved in 10161 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 17494ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 17496ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17770 ms. Remains : 111/111 places, 273/273 transitions.
[2024-05-23 10:04:33] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 10) seen :[4, 87, 0, 0, 1, 1, 4, 0, 0, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[626, 131544, 4, 1118, 4, 6, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:04:33] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:04:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[626, 131544, 4, 1118, 4, 6, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000005 steps (2 resets) in 1186 ms. (842 steps per ms)
BEST_FIRST walk for 10000008 steps (27 resets) in 4484 ms. (2229 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[626, 131544, 4, 1118, 6, 6, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:04:39] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:04:39] [INFO ] Invariant cache hit.
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:04:39] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:04:39] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:04:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:04:39] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:04:39] [INFO ] Added : 19 causal constraints over 6 iterations in 73 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:04:39] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:39] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 10:04:40] [INFO ] Added : 30 causal constraints over 7 iterations in 93 ms. Result :sat
Minimization took 39 ms.
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:40] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:04:40] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:04:40] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:04:40] [INFO ] Added : 7 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:40] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:04:40] [INFO ] Added : 6 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:04:40] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:40] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:04:40] [INFO ] Added : 7 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 10:04:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:04:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:41] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-23 10:04:41] [INFO ] Added : 4 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:04:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:04:41] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:04:41] [INFO ] Added : 11 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:04:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:04:41] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:04:41] [INFO ] Added : 20 causal constraints over 5 iterations in 76 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:04:41] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:04:41] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:04:41] [INFO ] Added : 9 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[626, 131544, 4, 1118, 6, 6, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[626, 131544, 4, 1118, 6, 7, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 15 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 111/111 places, 273/273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 7 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
[2024-05-23 10:05:22] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:05:22] [INFO ] Invariant cache hit.
[2024-05-23 10:05:22] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-23 10:05:22] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:05:22] [INFO ] Invariant cache hit.
[2024-05-23 10:05:22] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:05:22] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
[2024-05-23 10:05:22] [INFO ] Redundant transitions in 2 ms returned []
Running 271 sub problems to find dead transitions.
[2024-05-23 10:05:22] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:05:22] [INFO ] Invariant cache hit.
[2024-05-23 10:05:22] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 146 constraints, problems are : Problem set: 0 solved, 271 unsolved in 7171 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 32/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 239/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 10 (OVERLAPS) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 417 constraints, problems are : Problem set: 0 solved, 271 unsolved in 10291 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 17635ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 17640ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17910 ms. Remains : 111/111 places, 273/273 transitions.
[2024-05-23 10:05:39] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 10) seen :[3, 2, 1, 1, 1, 1, 6, 4, 1, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[626, 131544, 4, 1118, 6, 7, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:05:40] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:05:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[626, 131544, 4, 1118, 6, 7, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1256 ms. (795 steps per ms)
BEST_FIRST walk for 10000007 steps (23 resets) in 4536 ms. (2204 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1559, 131544, 4, 1118, 6, 7, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:05:45] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:05:45] [INFO ] Invariant cache hit.
[2024-05-23 10:05:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:45] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:45] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:05:45] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:05:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:45] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:45] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:45] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:46] [INFO ] Added : 19 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 39 ms.
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:46] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-23 10:05:46] [INFO ] Added : 30 causal constraints over 7 iterations in 104 ms. Result :sat
Minimization took 38 ms.
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:46] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:46] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:05:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:05:46] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:46] [INFO ] Added : 7 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:05:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:05:46] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:05:46] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:47] [INFO ] Added : 6 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:05:47] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 8 ms.
[2024-05-23 10:05:47] [INFO ] Added : 7 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:05:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:05:47] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:05:47] [INFO ] Added : 4 causal constraints over 2 iterations in 45 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:05:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:05:47] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:05:47] [INFO ] Added : 11 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:05:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 10:05:47] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:05:47] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:47] [INFO ] Added : 20 causal constraints over 5 iterations in 64 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:05:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Real]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:05:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:05:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:05:48] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:05:48] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:05:48] [INFO ] Added : 9 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1559, 131544, 4, 1118, 6, 7, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1559, 131544, 4, 1118, 6, 8, 3445, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 13 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 111/111 places, 273/273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Applied a total of 0 rules in 8 ms. Remains 111 /111 variables (removed 0) and now considering 273/273 (removed 0) transitions.
[2024-05-23 10:06:33] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:06:33] [INFO ] Invariant cache hit.
[2024-05-23 10:06:33] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 10:06:33] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:06:33] [INFO ] Invariant cache hit.
[2024-05-23 10:06:33] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:06:33] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
[2024-05-23 10:06:33] [INFO ] Redundant transitions in 1 ms returned []
Running 271 sub problems to find dead transitions.
[2024-05-23 10:06:33] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:06:33] [INFO ] Invariant cache hit.
[2024-05-23 10:06:33] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/289 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 146 constraints, problems are : Problem set: 0 solved, 271 unsolved in 7151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 33/145 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 32/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/289 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 239/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 10 (OVERLAPS) 0/289 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 417 constraints, problems are : Problem set: 0 solved, 271 unsolved in 9943 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 17263ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 17267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17515 ms. Remains : 111/111 places, 273/273 transitions.
[2024-05-23 10:06:50] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
Found an invariant !
This invariant on transitions {35=1, 90=1, 126=1, 162=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 86=1, 138=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 10) seen :[4, 2147483647, 3, 2, 0, 0, 2147483647, 4, 3, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1559, +inf, 4, 1118, 6, 8, +inf, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:06:50] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:06:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1559, +inf, 4, 1118, 6, 8, +inf, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1158 ms. (862 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 8000007 steps (17 resets) in 3535 ms. (2262 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1559, 5, 1118, 6, 8, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:06:55] [INFO ] Flow matrix only has 178 transitions (discarded 95 similar events)
[2024-05-23 10:06:55] [INFO ] Invariant cache hit.
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:06:55] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-23 10:06:55] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:06:55] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:55] [INFO ] Added : 19 causal constraints over 6 iterations in 71 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:55] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:55] [INFO ] Added : 6 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:06:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:06:56] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:56] [INFO ] Added : 7 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:56] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:56] [INFO ] Added : 6 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:06:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 9 ms returned sat
[2024-05-23 10:06:56] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:06:56] [INFO ] Added : 7 causal constraints over 2 iterations in 38 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Added 33 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:06:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:06:56] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:56] [INFO ] Added : 11 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Real]Added 33 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:06:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:06:56] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:57] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 10:06:57] [INFO ] Added : 20 causal constraints over 5 iterations in 65 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:06:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Real]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:06:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:06:57] [INFO ] [Nat]Added 33 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:06:57] [INFO ] Computed and/alt/rep : 56/266/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 10:06:57] [INFO ] Added : 9 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1559, 5, 1118, 6, 8, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1559, 5, 1118, 6, 9, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 273/273 transitions.
Graph (complete) has 462 edges and 111 vertex of which 110 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 108 transition count 269
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 108 transition count 269
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 7 place count 108 transition count 267
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 107 transition count 265
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 107 transition count 265
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 106 transition count 263
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 106 transition count 263
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 105 transition count 259
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 105 transition count 259
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 104 transition count 257
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 104 transition count 257
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 103 transition count 253
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 103 transition count 253
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 102 transition count 251
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 102 transition count 251
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 101 transition count 249
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 101 transition count 249
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 100 transition count 247
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 100 transition count 247
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 99 transition count 245
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 99 transition count 245
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 98 transition count 243
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 98 transition count 243
Applied a total of 27 rules in 19 ms. Remains 98 /111 variables (removed 13) and now considering 243/273 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 98/111 places, 243/273 transitions.
[2024-05-23 10:07:01] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
Found an invariant !
This invariant on transitions {33=1, 77=1, 110=1, 147=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 76=1, 109=1, 145=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :[3, 2, 2, 1, 1, 3, 2, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[1559, 5, 1118, 6, 9, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:01] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
// Phase 1: matrix 158 rows 98 cols
[2024-05-23 10:07:01] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1559, 5, 1118, 6, 9, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (2 resets) in 1065 ms. (938 steps per ms)
BEST_FIRST walk for 8000007 steps (18 resets) in 3439 ms. (2325 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:06] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:06] [INFO ] Invariant cache hit.
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:06] [INFO ] State equation strengthened by 31 read => feed constraints.
[2024-05-23 10:07:06] [INFO ] [Real]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:06] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:06] [INFO ] Added : 7 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:06] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:06] [INFO ] Added : 6 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:06] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:06] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:06] [INFO ] Added : 9 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:07] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 12 ms.
[2024-05-23 10:07:07] [INFO ] Added : 6 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:07] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:07] [INFO ] Added : 7 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Added 31 Read/Feed constraints in 7 ms returned sat
[2024-05-23 10:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Added 31 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:07:07] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:07] [INFO ] Added : 10 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:07] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:07] [INFO ] Added : 14 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Real]Added 31 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:08] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:08] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:08] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:08] [INFO ] Added : 4 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2618] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2626] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 243/243 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 98/98 places, 243/243 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 243/243 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 243/243 (removed 0) transitions.
[2024-05-23 10:07:13] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:13] [INFO ] Invariant cache hit.
[2024-05-23 10:07:13] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 10:07:13] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:13] [INFO ] Invariant cache hit.
[2024-05-23 10:07:13] [INFO ] State equation strengthened by 31 read => feed constraints.
[2024-05-23 10:07:13] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2024-05-23 10:07:13] [INFO ] Redundant transitions in 1 ms returned []
Running 241 sub problems to find dead transitions.
[2024-05-23 10:07:13] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:13] [INFO ] Invariant cache hit.
[2024-05-23 10:07:13] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (OVERLAPS) 158/256 variables, 98/100 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 31/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 131 constraints, problems are : Problem set: 0 solved, 241 unsolved in 5394 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 98/98 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (OVERLAPS) 158/256 variables, 98/100 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 31/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 241/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/256 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/256 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 256/256 variables, and 372 constraints, problems are : Problem set: 0 solved, 241 unsolved in 6436 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 98/98 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 11975ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 11977ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12188 ms. Remains : 98/98 places, 243/243 transitions.
[2024-05-23 10:07:25] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
Found an invariant !
This invariant on transitions {33=1, 77=1, 110=1, 147=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 76=1, 109=1, 145=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 8) seen :[0, 1, 0, 0, 0, 3, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2626] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:25] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2626] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1029 ms. (970 steps per ms)
BEST_FIRST walk for 8000007 steps (16 resets) in 3439 ms. (2325 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2626] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:30] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:30] [INFO ] Invariant cache hit.
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:07:30] [INFO ] State equation strengthened by 31 read => feed constraints.
[2024-05-23 10:07:30] [INFO ] [Real]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:30] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:30] [INFO ] Added : 7 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:30] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 11 ms.
[2024-05-23 10:07:30] [INFO ] Added : 6 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Added 31 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:07:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Nat]Added 31 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:07:30] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 11 ms.
[2024-05-23 10:07:30] [INFO ] Added : 9 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:31] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:31] [INFO ] Added : 6 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:31] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:31] [INFO ] Added : 7 causal constraints over 2 iterations in 40 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Added 31 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:31] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 10 ms.
[2024-05-23 10:07:31] [INFO ] Added : 10 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:31] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:31] [INFO ] Added : 14 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Real]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:31] [INFO ] [Nat]Added 31 Read/Feed constraints in 9 ms returned sat
[2024-05-23 10:07:31] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:32] [INFO ] Added : 4 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1933, 5, 1118, 7, 9, 908, 1205, 2626] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1933, 5, 1118, 7, 10, 908, 1205, 2635] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 243/243 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 98/98 places, 243/243 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 243/243 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 243/243 (removed 0) transitions.
[2024-05-23 10:07:38] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:38] [INFO ] Invariant cache hit.
[2024-05-23 10:07:38] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 10:07:38] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:38] [INFO ] Invariant cache hit.
[2024-05-23 10:07:38] [INFO ] State equation strengthened by 31 read => feed constraints.
[2024-05-23 10:07:38] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2024-05-23 10:07:38] [INFO ] Redundant transitions in 1 ms returned []
Running 241 sub problems to find dead transitions.
[2024-05-23 10:07:38] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:38] [INFO ] Invariant cache hit.
[2024-05-23 10:07:38] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (OVERLAPS) 158/256 variables, 98/100 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 31/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 131 constraints, problems are : Problem set: 0 solved, 241 unsolved in 5462 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 98/98 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (OVERLAPS) 158/256 variables, 98/100 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 31/131 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 241/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/256 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/256 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 256/256 variables, and 372 constraints, problems are : Problem set: 0 solved, 241 unsolved in 6456 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 98/98 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 12053ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 12056ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12251 ms. Remains : 98/98 places, 243/243 transitions.
[2024-05-23 10:07:50] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
Found an invariant !
This invariant on transitions {33=1, 77=1, 110=1, 147=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {32=1, 76=1, 109=1, 145=1}
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 8) seen :[2147483647, 0, 2, 0, 0, 0, 4, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 5, 1118, 7, 10, 908, 1205, 2635] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:50] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 5, 1118, 7, 10, 908, 1205, 2635] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1113 ms. (897 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-01 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000006 steps (15 resets) in 3002 ms. (2331 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 1118, 7, 10, 908, 1205, 2798] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:07:54] [INFO ] Flow matrix only has 158 transitions (discarded 85 similar events)
[2024-05-23 10:07:54] [INFO ] Invariant cache hit.
[2024-05-23 10:07:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:54] [INFO ] State equation strengthened by 31 read => feed constraints.
[2024-05-23 10:07:54] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:54] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:54] [INFO ] Added : 6 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 10:07:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:07:55] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 9 ms.
[2024-05-23 10:07:55] [INFO ] Added : 9 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Added 31 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:07:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 8 ms returned sat
[2024-05-23 10:07:55] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 10 ms.
[2024-05-23 10:07:55] [INFO ] Added : 6 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:07:55] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 10 ms.
[2024-05-23 10:07:55] [INFO ] Added : 7 causal constraints over 2 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:55] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 12 ms.
[2024-05-23 10:07:55] [INFO ] Added : 10 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:07:55] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 8 ms.
[2024-05-23 10:07:55] [INFO ] Added : 14 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:07:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Real]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:07:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:07:56] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:07:56] [INFO ] Computed and/alt/rep : 49/217/46 causal constraints (skipped 110 transitions) in 11 ms.
[2024-05-23 10:07:56] [INFO ] Added : 4 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 1118, 7, 10, 908, 1205, 2798] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 1118, 7, 10, 908, 1205, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 243/243 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 97 transition count 241
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 97 transition count 241
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 97 transition count 239
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 96 transition count 237
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 96 transition count 237
Applied a total of 6 rules in 7 ms. Remains 96 /98 variables (removed 2) and now considering 237/243 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 96/98 places, 237/243 transitions.
[2024-05-23 10:08:00] [INFO ] Flow matrix only has 153 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {24=1, 30=1, 71=1, 87=1, 120=1, 146=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 70=1, 119=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 7) seen :[0, 2147483647, 0, 0, 0, 2147483647, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, +inf, 7, 10, 908, +inf, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:08:01] [INFO ] Flow matrix only has 153 transitions (discarded 84 similar events)
// Phase 1: matrix 153 rows 96 cols
[2024-05-23 10:08:01] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, +inf, 7, 10, 908, +inf, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1004 ms. (995 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 5000005 steps (11 resets) in 2108 ms. (2370 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:08:04] [INFO ] Flow matrix only has 153 transitions (discarded 84 similar events)
[2024-05-23 10:08:04] [INFO ] Invariant cache hit.
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:08:04] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-23 10:08:04] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Computed and/alt/rep : 65/344/61 causal constraints (skipped 90 transitions) in 8 ms.
[2024-05-23 10:08:04] [INFO ] Added : 10 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Added 29 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:08:04] [INFO ] Computed and/alt/rep : 65/344/61 causal constraints (skipped 90 transitions) in 12 ms.
[2024-05-23 10:08:04] [INFO ] Added : 11 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Added 29 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:08:04] [INFO ] Computed and/alt/rep : 65/344/61 causal constraints (skipped 90 transitions) in 8 ms.
[2024-05-23 10:08:04] [INFO ] Added : 7 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:08:04] [INFO ] [Nat]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:04] [INFO ] Computed and/alt/rep : 65/344/61 causal constraints (skipped 90 transitions) in 7 ms.
[2024-05-23 10:08:04] [INFO ] Added : 28 causal constraints over 7 iterations in 84 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 10:08:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Real]Added 29 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:08:05] [INFO ] [Nat]Added 29 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:05] [INFO ] Computed and/alt/rep : 65/344/61 causal constraints (skipped 90 transitions) in 8 ms.
[2024-05-23 10:08:05] [INFO ] Added : 12 causal constraints over 5 iterations in 52 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 237/237 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 94 transition count 231
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 94 transition count 231
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 94 transition count 229
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 93 transition count 227
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 93 transition count 227
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 92 transition count 225
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 92 transition count 225
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 91 transition count 223
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 91 transition count 223
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 90 transition count 221
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 90 transition count 221
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 89 transition count 219
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 89 transition count 219
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 88 transition count 217
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 88 transition count 217
Applied a total of 18 rules in 19 ms. Remains 88 /96 variables (removed 8) and now considering 217/237 (removed 20) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 88/96 places, 217/237 transitions.
[2024-05-23 10:08:08] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {33=1, 66=1, 98=1, 132=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {36=1, 69=1, 101=1, 127=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 5) seen :[2, 0, 0, 4, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:08:08] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:08:08] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1029 ms. (970 steps per ms)
BEST_FIRST walk for 5000005 steps (12 resets) in 2018 ms. (2476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-05-23 10:08:11] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:08:11] [INFO ] Invariant cache hit.
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 10:08:11] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:08:11] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:11] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:08:11] [INFO ] Added : 11 causal constraints over 3 iterations in 33 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:08:11] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:12] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:08:12] [INFO ] Added : 11 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:08:12] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:08:12] [INFO ] Added : 8 causal constraints over 3 iterations in 34 ms. Result :sat
Minimization took 21 ms.
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 2 ms returned sat
[2024-05-23 10:08:12] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 8 ms.
[2024-05-23 10:08:12] [INFO ] Added : 19 causal constraints over 5 iterations in 57 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:08:12] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:08:12] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:08:12] [INFO ] Added : 12 causal constraints over 5 iterations in 47 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Applied a total of 0 rules in 3 ms. Remains 88 /88 variables (removed 0) and now considering 217/217 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 88/88 places, 217/217 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Applied a total of 0 rules in 2 ms. Remains 88 /88 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2024-05-23 10:08:17] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:08:17] [INFO ] Invariant cache hit.
[2024-05-23 10:08:17] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 10:08:17] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:08:17] [INFO ] Invariant cache hit.
[2024-05-23 10:08:17] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:08:17] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-23 10:08:17] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 10:08:17] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:08:17] [INFO ] Invariant cache hit.
[2024-05-23 10:08:17] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 139/227 variables, 88/90 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/227 variables, 26/116 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 215 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/227 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 227/227 variables, and 116 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4674 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 139/227 variables, 88/90 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/227 variables, 26/116 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 215/331 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/227 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 7 (OVERLAPS) 0/227 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Int declared 227/227 variables, and 331 constraints, problems are : Problem set: 0 solved, 215 unsolved in 5378 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 10166ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 10168ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10343 ms. Remains : 88/88 places, 217/217 transitions.
[2024-05-23 10:08:27] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {33=1, 66=1, 98=1, 132=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {36=1, 69=1, 101=1, 127=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 5) seen :[1, 1, 1, 4, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (9 resets) in 998 ms. (40 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (9 resets) in 184 ms. (216 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 4/4 properties
[2024-05-23 10:08:28] [INFO ] Flatten gal took : 75 ms
BEST_FIRST walk for 40004 steps (9 resets) in 82 ms. (481 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (10 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
[2024-05-23 10:08:28] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:08:28] [INFO ] Invariant cache hit.
[2024-05-23 10:08:28] [INFO ] Flatten gal took : 37 ms
[2024-05-23 10:08:28] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:08:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14239373326585472305.gal : 8 ms
[2024-05-23 10:08:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6010335197019051638.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14239373326585472305.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6010335197019051638.prop' '--nowitness' '--gen-order' 'FOLLOW'
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved

At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
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
At refinement iteration 3 (OVERLAPS) 81/94 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Loading property file /tmp/ReachabilityCardinality6010335197019051638.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 31
At refinement iteration 6 (OVERLAPS) 111/205 variables, 62/75 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 24/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :31 after 917
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 6/211 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/211 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 13/224 variables, 12/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/224 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/224 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 3/227 variables, 2/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/227 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/227 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 227/227 variables, and 116 constraints, problems are : Problem set: 0 solved, 4 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :917 after 42828
At refinement iteration 3 (OVERLAPS) 81/94 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 111/205 variables, 62/78 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 24/103 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/205 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 6/211 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/211 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/224 variables, 12/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/224 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/224 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 3/227 variables, 2/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/227 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/227 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 227/227 variables, and 120 constraints, problems are : Problem set: 0 solved, 4 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 326ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 85 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 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 85 transition count 212
Applied a total of 6 rules in 4 ms. Remains 85 /88 variables (removed 3) and now considering 212/217 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 85/88 places, 212/217 transitions.
RANDOM walk for 40006 steps (9 resets) in 172 ms. (231 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (10 resets) in 51 ms. (769 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :42828 after 825428
Interrupted probabilistic random walk after 317385 steps, run timeout after 3001 ms. (steps per millisecond=105 ) properties seen :0 out of 4
Probabilistic random walk after 317385 steps, saw 197576 distinct states, run finished after 3004 ms. (steps per millisecond=105 ) properties seen :0
[2024-05-23 10:08:31] [INFO ] Flow matrix only has 134 transitions (discarded 78 similar events)
// Phase 1: matrix 134 rows 85 cols
[2024-05-23 10:08:31] [INFO ] Computed 2 invariants in 2 ms
[2024-05-23 10:08:31] [INFO ] State equation strengthened by 23 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 79/92 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 108/200 variables, 61/74 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 22/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 6/206 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/206 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 10/216 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 3/219 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/219 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 110 constraints, problems are : Problem set: 0 solved, 4 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 79/92 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 108/200 variables, 61/77 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 22/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/200 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/200 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 6/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 10/216 variables, 10/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 3/219 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/219 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 114 constraints, problems are : Problem set: 0 solved, 4 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 333ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Invariant property MIN2 does not hold.
Invariant property MIN1 does not hold.
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :825428 after 1.76073e+07
Parikh walk visited 3 properties in 8503 ms.
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 212/212 transitions.
Graph (complete) has 366 edges and 85 vertex of which 82 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 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 81 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 81 transition count 204
Applied a total of 9 rules in 7 ms. Remains 81 /85 variables (removed 4) and now considering 204/212 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/85 places, 204/212 transitions.
RANDOM walk for 40005 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1.76073e+07 after 1.44653e+08
Interrupted probabilistic random walk after 1871344 steps, run timeout after 3001 ms. (steps per millisecond=623 ) properties seen :0 out of 1
Probabilistic random walk after 1871344 steps, saw 1206916 distinct states, run finished after 3001 ms. (steps per millisecond=623 ) properties seen :0
[2024-05-23 10:08:43] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 10:08:43] [INFO ] Computed 3 invariants in 7 ms
[2024-05-23 10:08:43] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1229 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 10:08:44] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:08:44] [INFO ] Invariant cache hit.
[2024-05-23 10:08:45] [INFO ] Implicit Places using invariants in 83 ms returned []
[2024-05-23 10:08:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:08:45] [INFO ] Invariant cache hit.
[2024-05-23 10:08:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:08:45] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2024-05-23 10:08:45] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 10:08:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:08:45] [INFO ] Invariant cache hit.
[2024-05-23 10:08:45] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3251 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4576 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7962ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7965ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8175 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 16 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 10:08:53] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 10:08:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:08:53] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 10:08:53] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 10:08:53] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 10:08:53] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 10:08:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 10:08:53] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 10:08:53] [INFO ] After 19ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 10:08:53] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:08:53] [INFO ] After 60ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:08:53] [INFO ] Flatten gal took : 4 ms
[2024-05-23 10:08:53] [INFO ] Flatten gal took : 3 ms
[2024-05-23 10:08:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11479743327265248080.gal : 1 ms
[2024-05-23 10:08:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12575549881960624065.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11479743327265248080.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12575549881960624065.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12575549881960624065.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 60
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :60 after 900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :900 after 4560
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4560 after 19900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :19900 after 81980
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :81980 after 330300
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :330300 after 1.32104e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.32104e+06 after 5.2737e+06
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1.44653e+08 after 2.49026e+09
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.2737e+06 after 2.10536e+07
Detected timeout of ITS tools.
[2024-05-23 10:09:08] [INFO ] Flatten gal took : 3 ms
[2024-05-23 10:09:08] [INFO ] Applying decomposition
[2024-05-23 10:09:08] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1591516361222472795.txt' '-o' '/tmp/graph1591516361222472795.bin' '-w' '/tmp/graph1591516361222472795.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1591516361222472795.bin' '-l' '-1' '-v' '-w' '/tmp/graph1591516361222472795.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:09:08] [INFO ] Decomposing Gal with order
[2024-05-23 10:09:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:09:08] [INFO ] Removed a total of 30 redundant transitions.
[2024-05-23 10:09:08] [INFO ] Flatten gal took : 39 ms
[2024-05-23 10:09:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 3 ms.
[2024-05-23 10:09:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11464713937169023642.gal : 1 ms
[2024-05-23 10:09:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2851733485128103568.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/ReachabilityCardinality11464713937169023642.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2851733485128103568.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality2851733485128103568.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 516
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :516 after 1356
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1356 after 3516
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3516 after 12756
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :12756 after 45516
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :45516 after 171876
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :171876 after 655356
Detected timeout of ITS tools.
[2024-05-23 10:09:18] [INFO ] Flatten gal took : 18 ms
[2024-05-23 10:09:18] [INFO ] Applying decomposition
[2024-05-23 10:09:18] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17322806633441865312.txt' '-o' '/tmp/graph17322806633441865312.bin' '-w' '/tmp/graph17322806633441865312.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17322806633441865312.bin' '-l' '-1' '-v' '-w' '/tmp/graph17322806633441865312.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:09:18] [INFO ] Decomposing Gal with order
[2024-05-23 10:09:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:09:18] [INFO ] Removed a total of 366 redundant transitions.
[2024-05-23 10:09:18] [INFO ] Flatten gal took : 23 ms
[2024-05-23 10:09:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 106 labels/synchronizations in 12 ms.
[2024-05-23 10:09:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7391636003917216388.gal : 3 ms
[2024-05-23 10:09:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7007361409693717172.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7391636003917216388.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7007361409693717172.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality7007361409693717172.prop.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30334 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5, 7, 10, 908, 2801] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 10:09:23] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:09:23] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 10:09:23] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:09:23] [INFO ] Invariant cache hit.
[2024-05-23 10:09:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:09:23] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:09:23] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:09:23] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-05-23 10:09:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 10:09:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:09:23] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 10:09:23] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-05-23 10:09:23] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 9 ms.
[2024-05-23 10:09:23] [INFO ] Added : 15 causal constraints over 6 iterations in 58 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 85 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 85 transition count 211
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 83 transition count 207
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 76 transition count 191
Applied a total of 25 rules in 15 ms. Remains 76 /88 variables (removed 12) and now considering 191/217 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 76/88 places, 191/217 transitions.
[2024-05-23 10:09:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 10:09:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 10:09:23] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 862 ms. (1158 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 433 ms. (2304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 10:09:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:25] [INFO ] Invariant cache hit.
[2024-05-23 10:09:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:25] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:09:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:25] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:09:25] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:25] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 1 ms to minimize.
[2024-05-23 10:09:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 10:09:25] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 10:09:25] [INFO ] Added : 6 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 10:09:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:25] [INFO ] Invariant cache hit.
[2024-05-23 10:09:25] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 10:09:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:25] [INFO ] Invariant cache hit.
[2024-05-23 10:09:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:25] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
[2024-05-23 10:09:25] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 10:09:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:25] [INFO ] Invariant cache hit.
[2024-05-23 10:09:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2462 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4329 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6890ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6892ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7043 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 10:09:32] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 10:09:32] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 894 ms. (1117 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 419 ms. (2380 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 10:09:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:33] [INFO ] Invariant cache hit.
[2024-05-23 10:09:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:33] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:09:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:33] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:33] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 10:09:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:33] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 2 ms to minimize.
[2024-05-23 10:09:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-23 10:09:34] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 10:09:34] [INFO ] Added : 6 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 10:09:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:34] [INFO ] Invariant cache hit.
[2024-05-23 10:09:34] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 10:09:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:34] [INFO ] Invariant cache hit.
[2024-05-23 10:09:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:34] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
[2024-05-23 10:09:34] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 10:09:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:34] [INFO ] Invariant cache hit.
[2024-05-23 10:09:34] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2416 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4237 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6758ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6759ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6914 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 10:09:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 87=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 55=1, 101=1, 114=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 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 10:09:41] [INFO ] Flatten gal took : 17 ms
RANDOM walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
[2024-05-23 10:09:41] [INFO ] Flatten gal took : 16 ms
[2024-05-23 10:09:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3563795503164494820.gal : 2 ms
[2024-05-23 10:09:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9563076255858748660.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3563795503164494820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9563076255858748660.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties

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 ...328
Loading property file /tmp/ReachabilityCardinality9563076255858748660.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 798
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :798 after 16261
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :16261 after 152492
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,935514,0.579282,21108,2,966,10,130937,6,0,497,34858,0
Total reachable state count : 935514

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,544,0.579924,21108,2,107,10,130937,7,0,500,34858,0
Interrupted probabilistic random walk after 2219279 steps, run timeout after 3001 ms. (steps per millisecond=739 ) properties seen :0 out of 1
Probabilistic random walk after 2219279 steps, saw 1371817 distinct states, run finished after 3001 ms. (steps per millisecond=739 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-03 in 20652 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 10:09:44] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:09:44] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:09:44] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:09:44] [INFO ] Invariant cache hit.
[2024-05-23 10:09:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:09:44] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:09:44] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:09:44] [INFO ] [Real]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:09:44] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:09:44] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:44] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:09:44] [INFO ] Added : 16 causal constraints over 5 iterations in 51 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 85 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 85 transition count 211
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 83 transition count 207
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 76 transition count 191
Applied a total of 25 rules in 16 ms. Remains 76 /88 variables (removed 12) and now considering 191/217 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 76/88 places, 191/217 transitions.
[2024-05-23 10:09:44] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:09:44] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 10:09:44] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 929 ms. (1075 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 408 ms. (2444 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:09:45] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:45] [INFO ] Invariant cache hit.
[2024-05-23 10:09:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:45] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:09:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:45] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:45] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:09:45] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:45] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 0 ms to minimize.
[2024-05-23 10:09:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-23 10:09:46] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2024-05-23 10:09:46] [INFO ] Added : 12 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 10:09:46] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:46] [INFO ] Invariant cache hit.
[2024-05-23 10:09:46] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 10:09:46] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:46] [INFO ] Invariant cache hit.
[2024-05-23 10:09:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:46] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-23 10:09:46] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 10:09:46] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 10:09:46] [INFO ] Invariant cache hit.
[2024-05-23 10:09:46] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2502 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4196 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6813ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6816ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7003 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 10:09:53] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
[2024-05-23 10:09:53] [INFO ] Flatten gal took : 25 ms
[2024-05-23 10:09:53] [INFO ] Flatten gal took : 9 ms
[2024-05-23 10:09:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12106824335806113320.gal : 2 ms
[2024-05-23 10:09:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12496983982509279239.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12106824335806113320.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12496983982509279239.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties

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 ...330
Loading property file /tmp/ReachabilityCardinality12496983982509279239.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 798
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :798 after 16261
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :16261 after 128220
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,888376,0.347162,16216,2,591,10,92604,6,0,497,23823,0
Total reachable state count : 888376

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,315,0.347621,16216,2,103,10,92604,7,0,500,23823,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 2205241 steps, run timeout after 3001 ms. (steps per millisecond=734 ) properties seen :0 out of 1
Probabilistic random walk after 2205241 steps, saw 1363224 distinct states, run finished after 3001 ms. (steps per millisecond=734 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-05 in 12082 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 10:09:56] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:09:56] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 10:09:56] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:09:56] [INFO ] Invariant cache hit.
[2024-05-23 10:09:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:09:56] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 10:09:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:09:56] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:09:56] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-23 10:09:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:56] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 9 ms.
[2024-05-23 10:09:56] [INFO ] Added : 3 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 85 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 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 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 83 transition count 208
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 82 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 82 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 81 transition count 202
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 76 transition count 192
Applied a total of 24 rules in 16 ms. Remains 76 /88 variables (removed 12) and now considering 192/217 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 76/88 places, 192/217 transitions.
[2024-05-23 10:09:56] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:09:56] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 10:09:56] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (3 resets) in 859 ms. (1162 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 397 ms. (2512 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:09:57] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 10:09:57] [INFO ] Invariant cache hit.
[2024-05-23 10:09:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 10:09:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:09:57] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:09:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:57] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:09:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:09:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:09:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:09:57] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 10:09:57] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:09:57] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 10:09:57] [INFO ] Added : 6 causal constraints over 3 iterations in 28 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 10:09:57] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 10:09:57] [INFO ] Invariant cache hit.
[2024-05-23 10:09:58] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 10:09:58] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 10:09:58] [INFO ] Invariant cache hit.
[2024-05-23 10:09:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:09:58] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2024-05-23 10:09:58] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 10:09:58] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 10:09:58] [INFO ] Invariant cache hit.
[2024-05-23 10:09:58] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3489 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 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) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4087 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7680ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7683ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7846 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 10:10:05] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 10:10:05] [INFO ] Flatten gal took : 21 ms
[2024-05-23 10:10:05] [INFO ] Flatten gal took : 8 ms
[2024-05-23 10:10:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12911910061291949849.gal : 1 ms
[2024-05-23 10:10:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11438524063042363819.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/ReachabilityCardinality12911910061291949849.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11438524063042363819.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40001 steps (9 resets) in 109 ms. (363 steps per ms) remains 1/1 properties

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 ...330
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality11438524063042363819.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 798
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :798 after 16261
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :16261 after 128220
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,888376,0.334554,16168,2,591,10,91813,6,0,498,23351,0
Total reachable state count : 888376

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,408,0.335107,16168,2,109,10,91813,7,0,501,23351,0
Interrupted probabilistic random walk after 2191072 steps, run timeout after 3001 ms. (steps per millisecond=730 ) properties seen :0 out of 1
Probabilistic random walk after 2191072 steps, saw 1354550 distinct states, run finished after 3001 ms. (steps per millisecond=730 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-07 in 12762 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 10:10:08] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:10:08] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 10:10:09] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:10:09] [INFO ] Invariant cache hit.
[2024-05-23 10:10:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:10:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:10:09] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:10:09] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:10:09] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:10:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:10:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:10:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 10:10:09] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:10:09] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:10:09] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 8 ms.
[2024-05-23 10:10:09] [INFO ] Added : 19 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 82 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 81 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 81 transition count 204
Applied a total of 14 rules in 5 ms. Remains 81 /88 variables (removed 7) and now considering 204/217 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/88 places, 204/217 transitions.
[2024-05-23 10:10:09] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 10:10:09] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 10:10:09] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 962 ms. (1038 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 423 ms. (2358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[555] Max Struct:[+inf]
[2024-05-23 10:10:10] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:10] [INFO ] Invariant cache hit.
[2024-05-23 10:10:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:10:10] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:10:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:10] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:10:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:10:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:10:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:10:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 10:10:10] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 1 ms to minimize.
[2024-05-23 10:10:10] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
[2024-05-23 10:10:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 93 ms
[2024-05-23 10:10:10] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-23 10:10:10] [INFO ] Added : 12 causal constraints over 3 iterations in 34 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[555] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[555] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 10:10:11] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:11] [INFO ] Invariant cache hit.
[2024-05-23 10:10:12] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 10:10:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:12] [INFO ] Invariant cache hit.
[2024-05-23 10:10:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:12] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-23 10:10:12] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 10:10:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:12] [INFO ] Invariant cache hit.
[2024-05-23 10:10:12] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3297 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4488 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7895ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7898ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8083 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 10:10:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[555] Max Struct:[+inf]
[2024-05-23 10:10:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[555] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1026 ms. (973 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 419 ms. (2380 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[999] Max Struct:[+inf]
[2024-05-23 10:10:21] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:21] [INFO ] Invariant cache hit.
[2024-05-23 10:10:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:10:21] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 10:10:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:21] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:10:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:10:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:10:21] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:10:21] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 10:10:21] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 1 ms to minimize.
[2024-05-23 10:10:21] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 2 ms to minimize.
[2024-05-23 10:10:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 107 ms
[2024-05-23 10:10:21] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 10:10:21] [INFO ] Added : 12 causal constraints over 3 iterations in 35 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[999] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[999] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 10:10:23] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:23] [INFO ] Invariant cache hit.
[2024-05-23 10:10:23] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-23 10:10:23] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:23] [INFO ] Invariant cache hit.
[2024-05-23 10:10:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:23] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
[2024-05-23 10:10:23] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 10:10:23] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:23] [INFO ] Invariant cache hit.
[2024-05-23 10:10:23] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3290 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4614 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 8032ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8035ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8228 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 10:10:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[999] Max Struct:[+inf]
[2024-05-23 10:10:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[999] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 904 ms. (1104 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 422 ms. (2364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[999] Max Struct:[+inf]
[2024-05-23 10:10:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:33] [INFO ] Invariant cache hit.
[2024-05-23 10:10:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 10:10:33] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 10:10:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:33] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 10:10:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:10:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 10:10:33] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 10:10:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:10:33] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 1 ms to minimize.
[2024-05-23 10:10:33] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 1 ms to minimize.
[2024-05-23 10:10:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-23 10:10:33] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 9 ms.
[2024-05-23 10:10:33] [INFO ] Added : 12 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[999] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[999] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 10:10:35] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:35] [INFO ] Invariant cache hit.
[2024-05-23 10:10:35] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 10:10:35] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:35] [INFO ] Invariant cache hit.
[2024-05-23 10:10:35] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:35] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-23 10:10:35] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 10:10:35] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:35] [INFO ] Invariant cache hit.
[2024-05-23 10:10:35] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3300 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4452 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7858ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7861ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8046 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 10:10:43] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[999] Max Struct:[+inf]
[2024-05-23 10:10:43] [INFO ] Flatten gal took : 15 ms
RANDOM walk for 40003 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
[2024-05-23 10:10:43] [INFO ] Flatten gal took : 13 ms
[2024-05-23 10:10:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4385430258509065807.gal : 2 ms
[2024-05-23 10:10:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4291694344559585376.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4385430258509065807.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4291694344559585376.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4291694344559585376.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 915
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :915 after 36013
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :36013 after 93721
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :93721 after 140314
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :140314 after 236977
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :236977 after 1.23419e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.23419e+07 after 3.9315e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.9315e+07 after 9.31564e+07
Interrupted probabilistic random walk after 2132097 steps, run timeout after 3001 ms. (steps per millisecond=710 ) properties seen :0 out of 1
Probabilistic random walk after 2132097 steps, saw 1369220 distinct states, run finished after 3001 ms. (steps per millisecond=710 ) properties seen :0
[2024-05-23 10:10:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:46] [INFO ] Invariant cache hit.
[2024-05-23 10:10:46] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40001 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2139602 steps, run timeout after 3001 ms. (steps per millisecond=712 ) properties seen :0 out of 1
Probabilistic random walk after 2139602 steps, saw 1373892 distinct states, run finished after 3003 ms. (steps per millisecond=712 ) properties seen :0
[2024-05-23 10:10:49] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:49] [INFO ] Invariant cache hit.
[2024-05-23 10:10:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 10:10:49] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:49] [INFO ] Invariant cache hit.
[2024-05-23 10:10:49] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 10:10:49] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:49] [INFO ] Invariant cache hit.
[2024-05-23 10:10:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 10:10:49] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2024-05-23 10:10:49] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 10:10:49] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 10:10:49] [INFO ] Invariant cache hit.
[2024-05-23 10:10:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.31564e+07 after 2.00734e+08
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3260 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4410 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 7777ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7781ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7959 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 9 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 10:10:57] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 10:10:57] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 10:10:57] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 10:10:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 10:10:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 10:10:57] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 10:10:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 10:10:57] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 10:10:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 10:10:57] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:10:57] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:10:57] [INFO ] Flatten gal took : 2 ms
[2024-05-23 10:10:57] [INFO ] Flatten gal took : 2 ms
[2024-05-23 10:10:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2366450645667258470.gal : 1 ms
[2024-05-23 10:10:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14241878032287467979.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2366450645667258470.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14241878032287467979.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality14241878032287467979.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 60
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :60 after 900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :900 after 4560
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4560 after 19900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :19900 after 81980
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :81980 after 330300
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :330300 after 1.32104e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.32104e+06 after 5.2737e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.2737e+06 after 2.10536e+07
Detected timeout of ITS tools.
[2024-05-23 10:11:12] [INFO ] Flatten gal took : 2 ms
[2024-05-23 10:11:12] [INFO ] Applying decomposition
[2024-05-23 10:11:12] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1834918134088957636.txt' '-o' '/tmp/graph1834918134088957636.bin' '-w' '/tmp/graph1834918134088957636.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1834918134088957636.bin' '-l' '-1' '-v' '-w' '/tmp/graph1834918134088957636.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:11:12] [INFO ] Decomposing Gal with order
[2024-05-23 10:11:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:11:12] [INFO ] Removed a total of 30 redundant transitions.
[2024-05-23 10:11:12] [INFO ] Flatten gal took : 4 ms
[2024-05-23 10:11:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 1 ms.
[2024-05-23 10:11:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2216430235256334705.gal : 1 ms
[2024-05-23 10:11:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8770879106626278387.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2216430235256334705.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8770879106626278387.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality8770879106626278387.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 258
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :258 after 1308
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1308 after 3476
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3476 after 11549
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11549 after 43773
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :43773 after 166484
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :166484 after 658342
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30156 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-23 10:11:27] [INFO ] Flatten gal took : 11 ms
[2024-05-23 10:11:27] [INFO ] Applying decomposition
[2024-05-23 10:11:27] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2928371562852284736.txt' '-o' '/tmp/graph2928371562852284736.bin' '-w' '/tmp/graph2928371562852284736.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2928371562852284736.bin' '-l' '-1' '-v' '-w' '/tmp/graph2928371562852284736.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:11:27] [INFO ] Decomposing Gal with order
[2024-05-23 10:11:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:11:27] [INFO ] Removed a total of 347 redundant transitions.
[2024-05-23 10:11:27] [INFO ] Flatten gal took : 18 ms
[2024-05-23 10:11:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 110 labels/synchronizations in 6 ms.
[2024-05-23 10:11:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1277741094490261737.gal : 2 ms
[2024-05-23 10:11:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4461857793800447234.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1277741094490261737.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4461857793800447234.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality4461857793800447234.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[999] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-10 in 129023 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 10:12:18] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
// Phase 1: matrix 139 rows 88 cols
[2024-05-23 10:12:18] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[30] Max Struct:[+inf]
[2024-05-23 10:12:18] [INFO ] Flow matrix only has 139 transitions (discarded 78 similar events)
[2024-05-23 10:12:18] [INFO ] Invariant cache hit.
[2024-05-23 10:12:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:12:18] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 10:12:18] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-05-23 10:12:18] [INFO ] [Real]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:12:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:12:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 10:12:18] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 10:12:18] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:12:18] [INFO ] Computed and/alt/rep : 62/294/57 causal constraints (skipped 80 transitions) in 7 ms.
[2024-05-23 10:12:18] [INFO ] Added : 12 causal constraints over 5 iterations in 48 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[30] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[30] Max Struct:[+inf]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 217/217 transitions.
Graph (complete) has 375 edges and 88 vertex of which 82 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 81 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 75 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 74 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 74 transition count 188
Applied a total of 28 rules in 10 ms. Remains 74 /88 variables (removed 14) and now considering 188/217 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 74/88 places, 188/217 transitions.
[2024-05-23 10:12:18] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[30] Max Struct:[+inf]
[2024-05-23 10:12:18] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 10:12:18] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[30] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 884 ms. (1129 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 388 ms. (2570 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1950] Max Struct:[+inf]
[2024-05-23 10:12:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:19] [INFO ] Invariant cache hit.
[2024-05-23 10:12:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:19] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:12:19] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 10:12:19] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:12:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:12:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:19] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 10:12:19] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 10:12:19] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 10:12:19] [INFO ] Added : 5 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1950] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1950] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 10:12:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:19] [INFO ] Invariant cache hit.
[2024-05-23 10:12:19] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 10:12:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:19] [INFO ] Invariant cache hit.
[2024-05-23 10:12:19] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 10:12:19] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-23 10:12:19] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 10:12:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:19] [INFO ] Invariant cache hit.
[2024-05-23 10:12:19] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2415 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6637ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6640ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6814 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 10:12:26] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[1950] Max Struct:[+inf]
[2024-05-23 10:12:26] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1950] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 886 ms. (1127 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 395 ms. (2525 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1950] Max Struct:[+inf]
[2024-05-23 10:12:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:27] [INFO ] Invariant cache hit.
[2024-05-23 10:12:27] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:28] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:12:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 10:12:28] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 10:12:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 10:12:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:28] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 10:12:28] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 10:12:28] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 10:12:28] [INFO ] Added : 5 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1950] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1950] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 10:12:28] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:28] [INFO ] Invariant cache hit.
[2024-05-23 10:12:28] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 10:12:28] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:28] [INFO ] Invariant cache hit.
[2024-05-23 10:12:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 10:12:28] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-23 10:12:28] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 10:12:28] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:28] [INFO ] Invariant cache hit.
[2024-05-23 10:12:28] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4183 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6631ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6633ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6811 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 10:12:34] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1950] Max Struct:[+inf]
[2024-05-23 10:12:35] [INFO ] Flatten gal took : 6 ms
[2024-05-23 10:12:35] [INFO ] Flatten gal took : 6 ms
[2024-05-23 10:12:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6114555355003163424.gal : 1 ms
[2024-05-23 10:12:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2707426284542357364.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/ReachabilityCardinality6114555355003163424.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2707426284542357364.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality2707426284542357364.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 913
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :913 after 34694
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :34694 after 75633
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :75633 after 99929
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :99929 after 345238
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :345238 after 1.63452e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.63452e+07 after 5.46883e+07
Interrupted probabilistic random walk after 2262184 steps, run timeout after 3001 ms. (steps per millisecond=753 ) properties seen :0 out of 1
Probabilistic random walk after 2262184 steps, saw 1443571 distinct states, run finished after 3001 ms. (steps per millisecond=753 ) properties seen :0
[2024-05-23 10:12:38] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:38] [INFO ] Invariant cache hit.
[2024-05-23 10:12:38] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 172ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.46883e+07 after 1.31225e+08
Parikh walk visited 0 properties in 941 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
RANDOM walk for 40001 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2210304 steps, run timeout after 3025 ms. (steps per millisecond=730 ) properties seen :0 out of 1
Probabilistic random walk after 2210304 steps, saw 1407957 distinct states, run finished after 3025 ms. (steps per millisecond=730 ) properties seen :0
[2024-05-23 10:12:42] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:42] [INFO ] Invariant cache hit.
[2024-05-23 10:12:42] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 154ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 878 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 10:12:43] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:43] [INFO ] Invariant cache hit.
[2024-05-23 10:12:43] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-23 10:12:43] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:43] [INFO ] Invariant cache hit.
[2024-05-23 10:12:43] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 10:12:43] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2024-05-23 10:12:43] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 10:12:43] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 10:12:43] [INFO ] Invariant cache hit.
[2024-05-23 10:12:43] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2262 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 3950 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6370ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6373ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6571 ms. Remains : 74/74 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 79 rules applied. Total rules applied 79 place count 74 transition count 109
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 85 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 85 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 109 place count 56 transition count 97
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 141 place count 40 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 33 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 33 transition count 67
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 26 transition count 53
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 26 transition count 53
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 19 transition count 39
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 19 transition count 39
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 190 place count 19 transition count 32
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 190 place count 19 transition count 31
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 192 place count 18 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 17 transition count 31
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 17 transition count 29
Applied a total of 196 rules in 20 ms. Remains 17 /74 variables (removed 57) and now considering 29/188 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2024-05-23 10:12:49] [INFO ] Computed 3 invariants in 3 ms
[2024-05-23 10:12:49] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 10:12:49] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 10:12:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 10:12:49] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 10:12:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 10:12:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 10:12:49] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:12:49] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 10:12:49] [INFO ] Flatten gal took : 2 ms
[2024-05-23 10:12:49] [INFO ] Flatten gal took : 3 ms
[2024-05-23 10:12:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10235587171031029793.gal : 0 ms
[2024-05-23 10:12:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality837487898150451094.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10235587171031029793.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality837487898150451094.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality837487898150451094.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 45
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :45 after 285
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :285 after 625
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :625 after 1285
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1285 after 2585
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2585 after 5165
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5165 after 10305
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10305 after 20565
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :20565 after 41065
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.31225e+08 after 2.8415e+08
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,82045,6.00567,117088,2,46,16,39236,6,0,97,26811,0
Total reachable state count : 82045

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,20,6.00616,117088,2,30,16,39236,7,0,100,26811,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 6124 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-23 10:12:56] [INFO ] Flatten gal took : 7 ms
[2024-05-23 10:12:56] [INFO ] Applying decomposition
[2024-05-23 10:12:56] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5085553260476614187.txt' '-o' '/tmp/graph5085553260476614187.bin' '-w' '/tmp/graph5085553260476614187.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5085553260476614187.bin' '-l' '-1' '-v' '-w' '/tmp/graph5085553260476614187.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:12:56] [INFO ] Decomposing Gal with order
[2024-05-23 10:12:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:12:56] [INFO ] Removed a total of 317 redundant transitions.
[2024-05-23 10:12:56] [INFO ] Flatten gal took : 13 ms
[2024-05-23 10:12:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 94 labels/synchronizations in 4 ms.
[2024-05-23 10:12:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2928044841571874992.gal : 1 ms
[2024-05-23 10:12:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1450265579415335712.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2928044841571874992.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1450265579415335712.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality1450265579415335712.prop.
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1950] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-13 in 88108 ms.
[2024-05-23 10:13:46] [INFO ] Flatten gal took : 8 ms
[2024-05-23 10:13:46] [INFO ] Applying decomposition
[2024-05-23 10:13:46] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph320992686718791733.txt' '-o' '/tmp/graph320992686718791733.bin' '-w' '/tmp/graph320992686718791733.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph320992686718791733.bin' '-l' '-1' '-v' '-w' '/tmp/graph320992686718791733.weights' '-q' '0' '-e' '0.001'
[2024-05-23 10:13:46] [INFO ] Decomposing Gal with order
[2024-05-23 10:13:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 10:13:46] [INFO ] Removed a total of 365 redundant transitions.
[2024-05-23 10:13:46] [INFO ] Flatten gal took : 24 ms
[2024-05-23 10:13:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 107 labels/synchronizations in 4 ms.
[2024-05-23 10:13:46] [INFO ] Time to serialize gal into /tmp/UpperBounds13900233765073966752.gal : 2 ms
[2024-05-23 10:13:46] [INFO ] Time to serialize properties into /tmp/UpperBounds6789673429404085428.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/UpperBounds13900233765073966752.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6789673429404085428.prop' '--nowitness'

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 ...284
Loading property file /tmp/UpperBounds6789673429404085428.prop.
Detected timeout of ITS tools.
[2024-05-23 10:37:48] [INFO ] Flatten gal took : 7 ms
[2024-05-23 10:37:48] [INFO ] Time to serialize gal into /tmp/UpperBounds17558172682196548120.gal : 2 ms
[2024-05-23 10:37:48] [INFO ] Time to serialize properties into /tmp/UpperBounds9148148745151125569.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17558172682196548120.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9148148745151125569.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds9148148745151125569.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ 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-b004"
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-b004, 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-171640602900229"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b004.tgz
mv FunctionPointer-PT-b004 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 ;