About the Execution of ITS-Tools for DoubleExponent-PT-004
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 3600000.00 | 0.00 | 0.00 | ? 1 ? 1 1 1 1 1 1 ? 1 1 ? 1 1 1 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067500485.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleExponent-PT-004, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067500485
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 67K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-00
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-01
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-02
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-03
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-04
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-05
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-06
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-07
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-08
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-09
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-10
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-11
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-12
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-13
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-14
FORMULA_NAME DoubleExponent-PT-004-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748730732092
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-31 22:32:13] [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]
[2025-05-31 22:32:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 22:32:13] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2025-05-31 22:32:13] [INFO ] Transformed 216 places.
[2025-05-31 22:32:13] [INFO ] Transformed 198 transitions.
[2025-05-31 22:32:13] [INFO ] Parsed PT model containing 216 places and 198 transitions and 558 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 198 rows 216 cols
[2025-05-31 22:32:13] [INFO ] Computed 24 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 1, +inf, 1, 1, 3, 1, 4, 1, +inf, 1, 4, +inf, 1, 3, 1]
RANDOM walk for 10000 steps (331 resets) in 36 ms. (270 steps per ms)
FORMULA DoubleExponent-PT-004-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleExponent-PT-004-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleExponent-PT-004-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130002 steps (3680 resets) in 253 ms. (511 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0] Max Struct:[+inf, +inf, 3, 1, 4, 1, +inf, 1, 4, +inf, 1, 3, 1]
[2025-05-31 22:32:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:14] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-05-31 22:32:14] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 14 ms returned sat
[2025-05-31 22:32:14] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:14] [INFO ] Deduced a trap composed of 49 places in 136 ms of which 26 ms to minimize.
[2025-05-31 22:32:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:14] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 7 ms returned sat
[2025-05-31 22:32:14] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:14] [INFO ] Deduced a trap composed of 49 places in 94 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:14] [INFO ] Deduced a trap composed of 50 places in 83 ms of which 20 ms to minimize.
[2025-05-31 22:32:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 243 ms
[2025-05-31 22:32:14] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:15] [INFO ] Deduced a trap composed of 35 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:15] [INFO ] Deduced a trap composed of 36 places in 69 ms of which 7 ms to minimize.
[2025-05-31 22:32:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 203 ms
[2025-05-31 22:32:15] [INFO ] Added : 194 causal constraints over 39 iterations in 1215 ms. Result :sat
Minimization took 251 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:16] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-05-31 22:32:16] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:16] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2025-05-31 22:32:16] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 10 ms.
[2025-05-31 22:32:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:16] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 5 ms returned sat
[2025-05-31 22:32:16] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:16] [INFO ] Deduced a trap composed of 54 places in 98 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:16] [INFO ] Deduced a trap composed of 49 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:16] [INFO ] Deduced a trap composed of 48 places in 91 ms of which 18 ms to minimize.
[2025-05-31 22:32:16] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 336 ms
[2025-05-31 22:32:16] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 9 ms.
[2025-05-31 22:32:17] [INFO ] Added : 116 causal constraints over 24 iterations in 523 ms. Result :sat
Minimization took 164 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 5 ms returned sat
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:17] [INFO ] Deduced a trap composed of 61 places in 59 ms of which 7 ms to minimize.
[2025-05-31 22:32:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:17] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:17] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:18] [INFO ] Deduced a trap composed of 61 places in 66 ms of which 6 ms to minimize.
[2025-05-31 22:32:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2025-05-31 22:32:18] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 12 ms.
[2025-05-31 22:32:18] [INFO ] Added : 94 causal constraints over 19 iterations in 412 ms. Result :sat
Minimization took 184 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:18] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-05-31 22:32:18] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 4 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-05-31 22:32:18] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:18] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:18] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 9 ms to minimize.
[2025-05-31 22:32:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:19] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:19] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:19] [INFO ] Deduced a trap composed of 18 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:19] [INFO ] Deduced a trap composed of 78 places in 84 ms of which 18 ms to minimize.
[2025-05-31 22:32:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 193 ms
[2025-05-31 22:32:19] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 8 ms.
[2025-05-31 22:32:19] [INFO ] Added : 99 causal constraints over 20 iterations in 420 ms. Result :sat
Minimization took 168 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:19] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:20] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 29 places in 82 ms of which 10 ms to minimize.
[2025-05-31 22:32:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:20] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:20] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 68 places in 93 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 41 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 54 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 55 places in 86 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 49 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:20] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 21 ms to minimize.
[2025-05-31 22:32:20] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 642 ms
[2025-05-31 22:32:20] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 11 ms.
[2025-05-31 22:32:21] [INFO ] Added : 112 causal constraints over 23 iterations in 532 ms. Result :sat
Minimization took 181 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:21] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:21] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:21] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:21] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 6 ms to minimize.
[2025-05-31 22:32:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-05-31 22:32:21] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 11 ms returned sat
[2025-05-31 22:32:21] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:22] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
[2025-05-31 22:32:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2025-05-31 22:32:22] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 10 ms.
[2025-05-31 22:32:22] [INFO ] Added : 191 causal constraints over 39 iterations in 851 ms. Result :sat
Minimization took 215 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:23] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:23] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:23] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:23] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 5 ms returned sat
[2025-05-31 22:32:23] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-05-31 22:32:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:23] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 8 ms returned sat
[2025-05-31 22:32:23] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:23] [INFO ] Deduced a trap composed of 18 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:23] [INFO ] Deduced a trap composed of 31 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:23] [INFO ] Deduced a trap composed of 49 places in 88 ms of which 16 ms to minimize.
[2025-05-31 22:32:23] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 282 ms
[2025-05-31 22:32:23] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 12 ms.
[2025-05-31 22:32:24] [INFO ] Added : 187 causal constraints over 38 iterations in 940 ms. Result :sat
Minimization took 208 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:24] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:24] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:25] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-05-31 22:32:25] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 10 ms.
[2025-05-31 22:32:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:25] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 5 ms returned sat
[2025-05-31 22:32:25] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2025-05-31 22:32:25] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 10 ms.
[2025-05-31 22:32:26] [INFO ] Added : 195 causal constraints over 39 iterations in 844 ms. Result :sat
Minimization took 219 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 5 ms returned sat
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:26] [INFO ] Deduced a trap composed of 78 places in 86 ms of which 18 ms to minimize.
[2025-05-31 22:32:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:32:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:26] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 6 ms returned sat
[2025-05-31 22:32:26] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:26] [INFO ] Deduced a trap composed of 78 places in 93 ms of which 17 ms to minimize.
[2025-05-31 22:32:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
[2025-05-31 22:32:26] [INFO ] Computed and/alt/rep : 197/381/197 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:27] [INFO ] Deduced a trap composed of 81 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:27] [INFO ] Deduced a trap composed of 83 places in 81 ms of which 19 ms to minimize.
[2025-05-31 22:32:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 234 ms
[2025-05-31 22:32:27] [INFO ] Added : 141 causal constraints over 29 iterations in 932 ms. Result :sat
Minimization took 186 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0] Max Struct:[+inf, +inf, 1, 1, 1, 1, +inf, 1, 1, +inf, 1, 1, 1]
FORMULA DoubleExponent-PT-004-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DoubleExponent-PT-004-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DoubleExponent-PT-004-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DoubleExponent-PT-004-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
Support contains 9 out of 216 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 216/216 places, 198/198 transitions.
Graph (complete) has 360 edges and 216 vertex of which 211 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 210 transition count 157
Reduce places removed 39 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 41 rules applied. Total rules applied 84 place count 171 transition count 155
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 86 place count 169 transition count 155
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 86 place count 169 transition count 147
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 102 place count 161 transition count 147
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 0 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 3 with 76 rules applied. Total rules applied 178 place count 123 transition count 109
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 188 place count 118 transition count 109
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 3 with 18 rules applied. Total rules applied 206 place count 118 transition count 91
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 224 place count 100 transition count 91
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 4 with 15 rules applied. Total rules applied 239 place count 100 transition count 91
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 240 place count 99 transition count 90
Applied a total of 240 rules in 66 ms. Remains 99 /216 variables (removed 117) and now considering 90/198 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 99/216 places, 90/198 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {13=1, 14=1, 15=1, 35=1, 36=1, 49=1, 60=1, 77=1, 86=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {13=1, 14=1, 15=1, 35=1, 36=1, 49=1, 60=1, 77=1, 86=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1304 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 9) seen :[0, 0, 0, 0, 2, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
// Phase 1: matrix 90 rows 99 cols
[2025-05-31 22:32:29] [INFO ] Computed 20 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
RANDOM walk for 1000000 steps (128200 resets) in 754 ms. (1324 steps per ms)
BEST_FIRST walk for 9000002 steps (763191 resets) in 4515 ms. (1992 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
[2025-05-31 22:32:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:32:35] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:32:35] [INFO ] [Real]Added 11 Read/Feed constraints in 13 ms returned sat
[2025-05-31 22:32:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 14 ms returned sat
[2025-05-31 22:32:35] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:35] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:35] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 3 ms to minimize.
[2025-05-31 22:32:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2025-05-31 22:32:35] [INFO ] Added : 82 causal constraints over 17 iterations in 400 ms. Result :sat
Minimization took 99 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Real]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:32:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using 4 positive place invariants in 6 ms returned sat
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 20 ms returned sat
[2025-05-31 22:32:36] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 7 ms.
[2025-05-31 22:32:36] [INFO ] Added : 52 causal constraints over 11 iterations in 128 ms. Result :sat
Minimization took 106 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Added 11 Read/Feed constraints in 10 ms returned sat
[2025-05-31 22:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 14 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:36] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
[2025-05-31 22:32:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2025-05-31 22:32:36] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 5 ms.
[2025-05-31 22:32:36] [INFO ] Added : 41 causal constraints over 9 iterations in 119 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 4 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Real]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:32:36] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 6 ms.
[2025-05-31 22:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-05-31 22:32:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:32:36] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 5 ms.
[2025-05-31 22:32:37] [INFO ] Added : 83 causal constraints over 18 iterations in 310 ms. Result :sat
Minimization took 83 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:37] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Real]Added 11 Read/Feed constraints in 22 ms returned sat
[2025-05-31 22:32:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 4 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:32:37] [INFO ] [Nat]Added 11 Read/Feed constraints in 25 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 23 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 26 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:37] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 3 ms to minimize.
[2025-05-31 22:32:38] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 665 ms
[2025-05-31 22:32:38] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 8 places in 55 ms of which 2 ms to minimize.
[2025-05-31 22:32:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2025-05-31 22:32:38] [INFO ] Added : 21 causal constraints over 5 iterations in 179 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:38] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Real]Added 11 Read/Feed constraints in 11 ms returned sat
[2025-05-31 22:32:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:38] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 4 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:32:38] [INFO ] [Nat]Added 11 Read/Feed constraints in 14 ms returned sat
[2025-05-31 22:32:38] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 8 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:38] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
[2025-05-31 22:32:38] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 193 ms
[2025-05-31 22:32:38] [INFO ] Added : 81 causal constraints over 17 iterations in 466 ms. Result :sat
Minimization took 91 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 9 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Added 11 Read/Feed constraints in 24 ms returned sat
[2025-05-31 22:32:39] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 7 ms.
[2025-05-31 22:32:39] [INFO ] Added : 58 causal constraints over 12 iterations in 145 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 3 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Real]Added 11 Read/Feed constraints in 6 ms returned sat
[2025-05-31 22:32:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 4 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:32:39] [INFO ] [Nat]Added 11 Read/Feed constraints in 18 ms returned sat
[2025-05-31 22:32:39] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:39] [INFO ] Deduced a trap composed of 8 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:40] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2025-05-31 22:32:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 124 ms
[2025-05-31 22:32:40] [INFO ] Added : 85 causal constraints over 17 iterations in 439 ms. Result :sat
Minimization took 151 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:40] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Real]Absence check using 4 positive and 16 generalized place invariants in 4 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Real]Added 11 Read/Feed constraints in 11 ms returned sat
[2025-05-31 22:32:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Nat]Absence check using 4 positive and 16 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:32:40] [INFO ] [Nat]Added 11 Read/Feed constraints in 14 ms returned sat
[2025-05-31 22:32:40] [INFO ] Computed and/alt/rep : 86/411/86 causal constraints (skipped 3 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:40] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:40] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 3 ms to minimize.
[2025-05-31 22:32:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 134 ms
[2025-05-31 22:32:40] [INFO ] Added : 58 causal constraints over 12 iterations in 300 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
Support contains 9 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 90/90 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 90/90 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 99/99 places, 90/90 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 90/90 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 90/90 (removed 0) transitions.
[2025-05-31 22:32:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:32:41] [INFO ] Implicit Places using invariants in 104 ms returned [20, 27, 43, 48, 63, 68, 87, 96]
[2025-05-31 22:32:41] [INFO ] Actually due to overlaps returned [68, 63]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 107 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 97/99 places, 90/90 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 97 transition count 89
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 96 transition count 89
Applied a total of 2 rules in 22 ms. Remains 96 /97 variables (removed 1) and now considering 89/90 (removed 1) transitions.
// Phase 1: matrix 89 rows 96 cols
[2025-05-31 22:32:41] [INFO ] Computed 18 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:32:41] [INFO ] Implicit Places using invariants in 90 ms returned [20, 27, 43, 48, 84, 93]
[2025-05-31 22:32:41] [INFO ] Actually due to overlaps returned [93, 84]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 91 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 94/99 places, 89/90 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 94 transition count 89
Applied a total of 1 rules in 7 ms. Remains 94 /94 variables (removed 0) and now considering 89/89 (removed 0) transitions.
// Phase 1: matrix 89 rows 94 cols
[2025-05-31 22:32:41] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:32:41] [INFO ] Implicit Places using invariants in 95 ms returned [20, 27, 43, 48]
[2025-05-31 22:32:41] [INFO ] Actually due to overlaps returned [20, 27]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 92/99 places, 89/90 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 337 ms. Remains : 92/99 places, 89/90 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {13=1, 14=1, 34=1, 45=1, 56=1, 73=1, 82=1, 86=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1, 14=1, 34=1, 45=1, 56=1, 73=1, 82=1, 86=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1459 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 9) seen :[0, 0, 0, 0, 4, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
// Phase 1: matrix 89 rows 92 cols
[2025-05-31 22:32:41] [INFO ] Computed 14 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, 1, +inf, 1, +inf, 1, 1]
RANDOM walk for 1000000 steps (144524 resets) in 678 ms. (1472 steps per ms)
BEST_FIRST walk for 9000002 steps (821867 resets) in 4302 ms. (2091 steps per ms)
FORMULA DoubleExponent-PT-004-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
[2025-05-31 22:32:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:46] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:46] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:46] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:32:46] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:32:46] [INFO ] [Real]Added 11 Read/Feed constraints in 9 ms returned sat
[2025-05-31 22:32:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:46] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:32:46] [INFO ] [Nat]Added 11 Read/Feed constraints in 19 ms returned sat
[2025-05-31 22:32:46] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 20 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 8 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 26 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 25 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 26 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:47] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 8 ms to minimize.
[2025-05-31 22:32:47] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 716 ms
[2025-05-31 22:32:47] [INFO ] Added : 77 causal constraints over 16 iterations in 967 ms. Result :sat
Minimization took 112 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:32:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Added 11 Read/Feed constraints in 6 ms returned sat
[2025-05-31 22:32:48] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:48] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 3 ms to minimize.
[2025-05-31 22:32:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2025-05-31 22:32:48] [INFO ] Added : 64 causal constraints over 13 iterations in 258 ms. Result :sat
Minimization took 90 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Real]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:32:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-05-31 22:32:48] [INFO ] [Nat]Added 11 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:48] [INFO ] Deduced a trap composed of 24 places in 59 ms of which 7 ms to minimize.
[2025-05-31 22:32:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2025-05-31 22:32:48] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 8 places in 63 ms of which 3 ms to minimize.
[2025-05-31 22:32:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2025-05-31 22:32:49] [INFO ] Added : 74 causal constraints over 15 iterations in 337 ms. Result :sat
Minimization took 94 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:49] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Real]Added 11 Read/Feed constraints in 29 ms returned sat
[2025-05-31 22:32:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:49] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:32:49] [INFO ] [Nat]Added 11 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 24 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 24 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:49] [INFO ] Deduced a trap composed of 26 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:50] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 2 ms to minimize.
[2025-05-31 22:32:50] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 627 ms
[2025-05-31 22:32:50] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 4 ms.
[2025-05-31 22:32:50] [INFO ] Added : 33 causal constraints over 9 iterations in 149 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Real]Added 11 Read/Feed constraints in 6 ms returned sat
[2025-05-31 22:32:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:32:50] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 5 ms.
[2025-05-31 22:32:50] [INFO ] Added : 53 causal constraints over 11 iterations in 119 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:32:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:32:50] [INFO ] [Nat]Added 11 Read/Feed constraints in 26 ms returned sat
[2025-05-31 22:32:50] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 7 ms.
[2025-05-31 22:32:50] [INFO ] Added : 64 causal constraints over 13 iterations in 194 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Added 11 Read/Feed constraints in 9 ms returned sat
[2025-05-31 22:32:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Added 11 Read/Feed constraints in 15 ms returned sat
[2025-05-31 22:32:51] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 8 ms.
[2025-05-31 22:32:51] [INFO ] Added : 70 causal constraints over 14 iterations in 203 ms. Result :sat
Minimization took 86 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:51] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 8 ms to minimize.
[2025-05-31 22:32:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:32:51] [INFO ] [Nat]Added 11 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:51] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 8 ms to minimize.
[2025-05-31 22:32:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2025-05-31 22:32:51] [INFO ] Computed and/alt/rep : 85/393/85 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:52] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 4 ms to minimize.
[2025-05-31 22:32:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2025-05-31 22:32:52] [INFO ] Added : 61 causal constraints over 13 iterations in 243 ms. Result :sat
Minimization took 76 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Support contains 8 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 89/89 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 91 transition count 89
Applied a total of 2 rules in 5 ms. Remains 91 /92 variables (removed 1) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 91/92 places, 89/89 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 78=1, 82=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 78=1, 82=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1444 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 8) seen :[0, 0, 0, 1, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
// Phase 1: matrix 89 rows 91 cols
[2025-05-31 22:32:53] [INFO ] Computed 14 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
RANDOM walk for 1000000 steps (144311 resets) in 649 ms. (1538 steps per ms)
BEST_FIRST walk for 8000001 steps (732499 resets) in 3700 ms. (2161 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
[2025-05-31 22:32:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:58] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:58] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:58] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:32:58] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:32:58] [INFO ] [Real]Added 11 Read/Feed constraints in 14 ms returned sat
[2025-05-31 22:32:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:32:58] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:32:58] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:32:58] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:32:58] [INFO ] [Nat]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:32:58] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:58] [INFO ] Deduced a trap composed of 26 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:58] [INFO ] Deduced a trap composed of 29 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:58] [INFO ] Deduced a trap composed of 28 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 31 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 30 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 29 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 29 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 33 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:32:59] [INFO ] Deduced a trap composed of 30 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 32 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 33 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 32 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 33 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:00] [INFO ] Deduced a trap composed of 34 places in 64 ms of which 7 ms to minimize.
[2025-05-31 22:33:00] [INFO ] Trap strengthening (SAT) tested/added 26/25 trap constraints in 1858 ms
[2025-05-31 22:33:00] [INFO ] Added : 85 causal constraints over 18 iterations in 2269 ms. Result :sat
Minimization took 93 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:00] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Real]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:33:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:00] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:00] [INFO ] [Nat]Added 11 Read/Feed constraints in 12 ms returned sat
[2025-05-31 22:33:00] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:01] [INFO ] Deduced a trap composed of 4 places in 68 ms of which 2 ms to minimize.
[2025-05-31 22:33:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2025-05-31 22:33:01] [INFO ] Added : 68 causal constraints over 15 iterations in 378 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Added 11 Read/Feed constraints in 3 ms returned sat
[2025-05-31 22:33:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Nat]Added 11 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:01] [INFO ] Deduced a trap composed of 23 places in 50 ms of which 7 ms to minimize.
[2025-05-31 22:33:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2025-05-31 22:33:01] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:01] [INFO ] Deduced a trap composed of 8 places in 72 ms of which 4 ms to minimize.
[2025-05-31 22:33:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2025-05-31 22:33:01] [INFO ] Added : 53 causal constraints over 11 iterations in 230 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Real]Added 11 Read/Feed constraints in 24 ms returned sat
[2025-05-31 22:33:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:01] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Nat]Added 11 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:02] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:02] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:02] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:02] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
[2025-05-31 22:33:02] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 260 ms
[2025-05-31 22:33:02] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 4 ms.
[2025-05-31 22:33:02] [INFO ] Added : 32 causal constraints over 9 iterations in 135 ms. Result :sat
Minimization took 41 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:02] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Real]Added 11 Read/Feed constraints in 9 ms returned sat
[2025-05-31 22:33:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:02] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:33:02] [INFO ] [Nat]Added 11 Read/Feed constraints in 9 ms returned sat
[2025-05-31 22:33:02] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:03] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:03] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:03] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 6 ms to minimize.
[2025-05-31 22:33:03] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 235 ms
[2025-05-31 22:33:03] [INFO ] Added : 85 causal constraints over 17 iterations in 659 ms. Result :sat
Minimization took 109 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:03] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Real]Added 11 Read/Feed constraints in 4 ms returned sat
[2025-05-31 22:33:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:03] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:03] [INFO ] [Nat]Added 11 Read/Feed constraints in 13 ms returned sat
[2025-05-31 22:33:03] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 6 ms.
[2025-05-31 22:33:04] [INFO ] Added : 85 causal constraints over 19 iterations in 550 ms. Result :sat
Minimization took 100 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Added 11 Read/Feed constraints in 10 ms returned sat
[2025-05-31 22:33:04] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 6 ms.
[2025-05-31 22:33:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 9 ms returned sat
[2025-05-31 22:33:04] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:04] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 3 ms to minimize.
[2025-05-31 22:33:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2025-05-31 22:33:04] [INFO ] Added : 73 causal constraints over 16 iterations in 284 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Real]Added 11 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:04] [INFO ] Deduced a trap composed of 23 places in 70 ms of which 8 ms to minimize.
[2025-05-31 22:33:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 0 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:05] [INFO ] Deduced a trap composed of 23 places in 72 ms of which 7 ms to minimize.
[2025-05-31 22:33:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2025-05-31 22:33:05] [INFO ] Computed and/alt/rep : 85/408/85 causal constraints (skipped 3 transitions) in 5 ms.
[2025-05-31 22:33:05] [INFO ] Added : 65 causal constraints over 14 iterations in 186 ms. Result :sat
Minimization took 91 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Support contains 8 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 89/89 transitions.
Applied a total of 0 rules in 3 ms. Remains 91 /91 variables (removed 0) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 91/91 places, 89/89 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 89/89 transitions.
Applied a total of 0 rules in 2 ms. Remains 91 /91 variables (removed 0) and now considering 89/89 (removed 0) transitions.
[2025-05-31 22:33:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:05] [INFO ] Implicit Places using invariants in 100 ms returned [41, 46]
[2025-05-31 22:33:05] [INFO ] Actually due to overlaps returned [41]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 101 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/91 places, 89/89 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 89 transition count 88
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 89 transition count 88
Applied a total of 2 rules in 7 ms. Remains 89 /90 variables (removed 1) and now considering 88/89 (removed 1) transitions.
// Phase 1: matrix 88 rows 89 cols
[2025-05-31 22:33:05] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:05] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-05-31 22:33:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:05] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:33:05] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 89/91 places, 88/89 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 414 ms. Remains : 89/91 places, 88/89 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 77=1, 81=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 77=1, 81=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1421 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :[0, 0, 0, 2, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
[2025-05-31 22:33:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
RANDOM walk for 1000000 steps (144328 resets) in 657 ms. (1519 steps per ms)
BEST_FIRST walk for 8000002 steps (731946 resets) in 3693 ms. (2165 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
[2025-05-31 22:33:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:10] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:10] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:10] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-05-31 22:33:10] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:33:10] [INFO ] [Real]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:33:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:10] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:10] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:33:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:33:10] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 5 ms.
[2025-05-31 22:33:11] [INFO ] Added : 84 causal constraints over 18 iterations in 354 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:11] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Real]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:33:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:11] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:33:11] [INFO ] [Nat]Added 11 Read/Feed constraints in 13 ms returned sat
[2025-05-31 22:33:11] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:12] [INFO ] Deduced a trap composed of 8 places in 93 ms of which 3 ms to minimize.
[2025-05-31 22:33:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 131 ms
[2025-05-31 22:33:12] [INFO ] Added : 77 causal constraints over 17 iterations in 674 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:33:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Added 11 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:12] [INFO ] Deduced a trap composed of 23 places in 70 ms of which 6 ms to minimize.
[2025-05-31 22:33:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2025-05-31 22:33:12] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 4 ms.
[2025-05-31 22:33:12] [INFO ] Added : 39 causal constraints over 9 iterations in 105 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Real]Added 11 Read/Feed constraints in 29 ms returned sat
[2025-05-31 22:33:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 3 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:33:12] [INFO ] [Nat]Added 11 Read/Feed constraints in 22 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:12] [INFO ] Deduced a trap composed of 4 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:12] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:13] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:13] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:13] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:13] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 2 ms to minimize.
[2025-05-31 22:33:13] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 388 ms
[2025-05-31 22:33:13] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 4 ms.
[2025-05-31 22:33:13] [INFO ] Added : 37 causal constraints over 10 iterations in 160 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:13] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Real]Added 11 Read/Feed constraints in 8 ms returned sat
[2025-05-31 22:33:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:13] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:13] [INFO ] [Nat]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:33:13] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:13] [INFO ] Deduced a trap composed of 26 places in 63 ms of which 6 ms to minimize.
[2025-05-31 22:33:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2025-05-31 22:33:13] [INFO ] Added : 80 causal constraints over 17 iterations in 328 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:14] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:33:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:14] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-05-31 22:33:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 11 ms returned sat
[2025-05-31 22:33:14] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 25 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 26 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 27 places in 56 ms of which 5 ms to minimize.
[2025-05-31 22:33:14] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 314 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 26 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 26 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:14] [INFO ] Deduced a trap composed of 26 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 28 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 27 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 27 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 29 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 28 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 30 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 29 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:15] [INFO ] Deduced a trap composed of 31 places in 61 ms of which 7 ms to minimize.
[2025-05-31 22:33:15] [INFO ] Trap strengthening (SAT) tested/added 15/14 trap constraints in 1085 ms
[2025-05-31 22:33:15] [INFO ] Added : 79 causal constraints over 17 iterations in 1663 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:15] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:15] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 4 ms returned sat
[2025-05-31 22:33:15] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:33:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:33:16] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
[2025-05-31 22:33:16] [INFO ] Added : 82 causal constraints over 17 iterations in 222 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:16] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Real]Added 11 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:16] [INFO ] Deduced a trap composed of 23 places in 70 ms of which 9 ms to minimize.
[2025-05-31 22:33:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:16] [INFO ] Deduced a trap composed of 23 places in 56 ms of which 9 ms to minimize.
[2025-05-31 22:33:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2025-05-31 22:33:16] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:16] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 3 ms to minimize.
[2025-05-31 22:33:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2025-05-31 22:33:16] [INFO ] Added : 70 causal constraints over 14 iterations in 312 ms. Result :sat
Minimization took 62 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
Support contains 8 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 89 /89 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 89/89 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 89 /89 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2025-05-31 22:33:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:17] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-05-31 22:33:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:17] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:33:17] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:33:17] [INFO ] Redundant transitions in 2 ms returned []
Running 87 sub problems to find dead transitions.
[2025-05-31 22:33:17] [INFO ] Invariant cache hit.
[2025-05-31 22:33:17] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (OVERLAPS) 1/88 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 6 (OVERLAPS) 88/176 variables, 88/101 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 11/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1/177 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/177 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 11 (OVERLAPS) 0/177 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Real declared 177/177 variables, and 113 constraints, problems are : Problem set: 0 solved, 87 unsolved in 2535 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 89/89 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 87 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (OVERLAPS) 1/88 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 6 (OVERLAPS) 88/176 variables, 88/101 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 11/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/176 variables, 83/195 constraints. Problems are: Problem set: 0 solved, 87 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:21] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:21] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/176 variables, 2/197 constraints. Problems are: Problem set: 0 solved, 87 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:23] [INFO ] Deduced a trap along path composed of 43 places in 38 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 1/198 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 12 (OVERLAPS) 1/177 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/177 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/177 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 15 (OVERLAPS) 0/177 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Int declared 177/177 variables, and 203 constraints, problems are : Problem set: 0 solved, 87 unsolved in 9032 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 89/89 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11629ms problems are : Problem set: 0 solved, 87 unsolved
Search for dead transitions found 0 dead transitions in 11637ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11906 ms. Remains : 89/89 places, 88/88 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 77=1, 81=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1, 14=1, 34=1, 43=1, 54=1, 69=1, 77=1, 81=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1447 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 8) seen :[0, 0, 0, 4, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0] Max Struct:[+inf, +inf, 1, +inf, 1, +inf, 1, 1]
RANDOM walk for 40000 steps (5755 resets) in 1691 ms. (23 steps per ms) remains 12/12 properties
[2025-05-31 22:33:30] [INFO ] Flatten gal took : 64 ms
[2025-05-31 22:33:30] [INFO ] Flatten gal took : 34 ms
[2025-05-31 22:33:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8082817743593419522.gal : 8 ms
[2025-05-31 22:33:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16644390945364988755.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8082817743593419522.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16644390945364988755.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40000 steps (3637 resets) in 619 ms. (64 steps per ms) remains 12/12 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16644390945364988755.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :27 after 42
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :42 after 91
Invariant property MIN7 does not hold.
Reachability property MAX7 is true.
Invariant property MIN2 does not hold.
Reachability property MAX2 is true.
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :91 after 294
Invariant property MIN3 does not hold.
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :294 after 561
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :561 after 856
Invariant property MIN1 does not hold.
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :856 after 1915
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :1915 after 8132
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :8132 after 37481
BEST_FIRST walk for 40001 steps (3613 resets) in 403 ms. (99 steps per ms) remains 12/12 properties
Invariant property MIN4 does not hold.
Reachability property MAX4 is true.
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :37481 after 98880
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :98880 after 182201
BEST_FIRST walk for 40001 steps (3659 resets) in 228 ms. (174 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3655 resets) in 178 ms. (223 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3708 resets) in 174 ms. (228 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3671 resets) in 258 ms. (154 steps per ms) remains 12/12 properties
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :182201 after 323056
BEST_FIRST walk for 40001 steps (3627 resets) in 204 ms. (195 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3638 resets) in 217 ms. (183 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3593 resets) in 267 ms. (149 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (3669 resets) in 192 ms. (207 steps per ms) remains 12/12 properties
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :323056 after 633529
BEST_FIRST walk for 40002 steps (3608 resets) in 192 ms. (207 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (3690 resets) in 232 ms. (171 steps per ms) remains 12/12 properties
Invariant property MIN6 does not hold.
Reachability property MAX6 is true.
Invariant property MIN5 does not hold.
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 16385 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,5.86268e+07,1.60306,48664,2,52099,31,179196,6,0,443,130550,0
Total reachable state count : 58626763
Verifying 12 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
MIN0,1,1.60617,48664,2,90,31,179196,7,0,446,130550,0
Invariant property MIN1 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
MIN1,3,1.60858,48664,2,94,31,179196,8,0,448,130550,0
Reachability property MAX2 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX2,1,1.60889,48664,2,90,31,179196,9,0,450,130550,0
Invariant property MIN2 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
MIN2,1,1.60912,48664,2,90,31,179196,10,0,451,130550,0
Invariant property MIN3 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
MIN3,35,1.60939,48664,2,328,31,179196,11,0,453,130550,0
Reachability property MAX4 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX4,1,1.61006,48664,2,90,31,179196,12,0,455,130550,0
Invariant property MIN4 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
MIN4,1,1.61073,48664,2,90,31,179196,13,0,456,130550,0
Invariant property MIN5 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
MIN5,31,1.611,48664,2,389,31,179196,14,0,458,130550,0
Reachability property MAX6 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,1,1.61191,48664,2,90,31,179196,15,0,460,130550,0
Invariant property MIN6 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
MIN6,1,1.61284,48664,2,90,31,179196,16,0,461,130550,0
Reachability property MAX7 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX7,1,1.61323,48664,2,90,31,179196,17,0,463,130550,0
Invariant property MIN7 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
MIN7,1,1.61352,48664,2,90,31,179196,18,0,464,130550,0
Interrupted probabilistic random walk after 552176 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :8 out of 12
Probabilistic random walk after 552176 steps, saw 276335 distinct states, run finished after 3005 ms. (steps per millisecond=183 ) properties seen :8
FORMULA DoubleExponent-PT-004-UpperBounds-15 1 TECHNIQUES REACHABILITY_MAX
FORMULA DoubleExponent-PT-004-UpperBounds-13 1 TECHNIQUES REACHABILITY_MAX
FORMULA DoubleExponent-PT-004-UpperBounds-10 1 TECHNIQUES REACHABILITY_MAX
FORMULA DoubleExponent-PT-004-UpperBounds-08 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 4 queries.) : Max Seen:[0, 0, 5, 0] Max Struct:[+inf, +inf, +inf, +inf]
Starting property specific reduction for DoubleExponent-PT-004-UpperBounds-00
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]
[2025-05-31 22:33:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1463 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10000 steps (948 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:33:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:33:34] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:33:34] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:33:34] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:34] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:33:34] [INFO ] [Real]Added 11 Read/Feed constraints in 37 ms returned sat
[2025-05-31 22:33:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:33:34] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:34] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 3 ms returned sat
[2025-05-31 22:33:34] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:33:34] [INFO ] [Nat]Added 11 Read/Feed constraints in 6 ms returned sat
[2025-05-31 22:33:34] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 6 ms.
[2025-05-31 22:33:34] [INFO ] Added : 84 causal constraints over 18 iterations in 380 ms. Result :sat
Minimization took 88 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Graph (complete) has 332 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 83 transition count 83
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 0 with 2 rules applied. Total rules applied 13 place count 82 transition count 83
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 15 place count 82 transition count 81
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 17 place count 80 transition count 81
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 80 transition count 81
Applied a total of 20 rules in 15 ms. Remains 80 /89 variables (removed 9) and now considering 81/88 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 80/89 places, 81/88 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {7=1, 8=1, 9=2, 16=1, 24=1, 33=1, 48=1, 52=1, 53=1, 57=1, 73=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {7=1, 8=1, 16=1, 24=1, 33=1, 48=1, 53=1, 57=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1463 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 81 rows 80 cols
[2025-05-31 22:33:35] [INFO ] Computed 13 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (143918 resets) in 632 ms. (1579 steps per ms)
BEST_FIRST walk for 1000000 steps (91575 resets) in 442 ms. (2257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:33:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:36] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:33:36] [INFO ] [Real]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:36] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:33:36] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:33:36] [INFO ] [Real]Added 16 Read/Feed constraints in 35 ms returned sat
[2025-05-31 22:33:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:33:36] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:33:36] [INFO ] [Nat]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:33:36] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-05-31 22:33:36] [INFO ] [Nat]Added 16 Read/Feed constraints in 20 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 23 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:36] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 7 ms to minimize.
[2025-05-31 22:33:36] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 436 ms
[2025-05-31 22:33:36] [INFO ] Computed and/alt/rep : 69/400/69 causal constraints (skipped 11 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:37] [INFO ] Deduced a trap composed of 24 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:37] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:37] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:37] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 7 ms to minimize.
[2025-05-31 22:33:37] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 291 ms
[2025-05-31 22:33:37] [INFO ] Added : 60 causal constraints over 13 iterations in 449 ms. Result :sat
Minimization took 66 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 81/81 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 80/80 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2025-05-31 22:33:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:37] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-05-31 22:33:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:33:37] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:33:37] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 276 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:33:37] [INFO ] Redundant transitions in 2 ms returned []
Running 80 sub problems to find dead transitions.
[2025-05-31 22:33:37] [INFO ] Invariant cache hit.
[2025-05-31 22:33:37] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 16/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/161 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 161/161 variables, and 109 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1603 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 16/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 80/189 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:40] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:40] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:40] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:41] [INFO ] Deduced a trap composed of 33 places in 48 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 4/193 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:43] [INFO ] Deduced a trap along path composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/161 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:44] [INFO ] Deduced a trap composed of 25 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 33 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 34 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 34 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:45] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 9/203 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:46] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:46] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 22 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 24 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:47] [INFO ] Deduced a trap composed of 30 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:48] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:48] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:48] [INFO ] Deduced a trap composed of 13 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:48] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:48] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 13/216 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 35 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 37 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:50] [INFO ] Deduced a trap composed of 34 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:51] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/161 variables, 8/224 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:53] [INFO ] Deduced a trap along path composed of 8 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:53] [INFO ] Deduced a trap along path composed of 9 places in 20 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/161 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/161 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:59] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:59] [INFO ] Deduced a trap composed of 30 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:33:59] [INFO ] Deduced a trap composed of 30 places in 52 ms of which 5 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/161 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:02] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:02] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:02] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:02] [INFO ] Deduced a trap composed of 23 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:02] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 7 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/161 variables, 5/234 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/161 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:09] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 6 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/161 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 161/161 variables, and 235 constraints, problems are : Problem set: 0 solved, 80 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 31639ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 31640ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31924 ms. Remains : 80/80 places, 81/81 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {7=1, 8=1, 9=2, 16=1, 24=1, 33=1, 48=1, 52=1, 53=1, 57=1, 73=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {7=1, 8=1, 16=1, 24=1, 33=1, 48=1, 53=1, 57=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1448 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:34:09] [INFO ] Flatten gal took : 12 ms
[2025-05-31 22:34:09] [INFO ] Flatten gal took : 11 ms
[2025-05-31 22:34:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13259352531057489220.gal : 3 ms
[2025-05-31 22:34:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3546103917126023744.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13259352531057489220.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3546103917126023744.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality3546103917126023744.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,1 properties remain. new max is 64
RANDOM walk for 40000 steps (5823 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
SDD size :14 after 27
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :27 after 47
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :47 after 116
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :116 after 314
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :314 after 896
BEST_FIRST walk for 40003 steps (3664 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :896 after 6145
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6145 after 36429
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :36429 after 169055
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :169055 after 468883
Finished probabilistic random walk after 211999 steps, run visited all 1 properties in 499 ms. (steps per millisecond=424 )
Probabilistic random walk after 211999 steps, saw 106417 distinct states, run finished after 502 ms. (steps per millisecond=422 ) properties seen :1
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:[0] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-004-UpperBounds-00 in 35844 ms.
Starting property specific reduction for DoubleExponent-PT-004-UpperBounds-02
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]
// Phase 1: matrix 88 rows 89 cols
[2025-05-31 22:34:10] [INFO ] Computed 13 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1476 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10000 steps (891 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:34:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:34:10] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:34:10] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 3 ms returned sat
[2025-05-31 22:34:10] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:34:10] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:34:10] [INFO ] [Real]Added 11 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:34:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:34:10] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:34:10] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:34:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:34:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 13 ms returned sat
[2025-05-31 22:34:10] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:10] [INFO ] Deduced a trap composed of 8 places in 51 ms of which 2 ms to minimize.
[2025-05-31 22:34:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2025-05-31 22:34:10] [INFO ] Added : 77 causal constraints over 17 iterations in 345 ms. Result :sat
Minimization took 69 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Graph (complete) has 332 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 83 transition count 83
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 0 with 2 rules applied. Total rules applied 13 place count 82 transition count 83
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 15 place count 82 transition count 81
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 17 place count 80 transition count 81
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 80 transition count 81
Applied a total of 20 rules in 10 ms. Remains 80 /89 variables (removed 9) and now considering 81/88 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 80/89 places, 81/88 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {7=1, 8=1, 9=2, 16=1, 24=1, 33=1, 48=1, 52=1, 53=1, 57=1, 73=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {7=1, 8=1, 16=1, 24=1, 33=1, 48=1, 53=1, 57=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1447 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:[0] Max Struct:[+inf]
// Phase 1: matrix 81 rows 80 cols
[2025-05-31 22:34:10] [INFO ] Computed 13 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144808 resets) in 590 ms. (1692 steps per ms)
BEST_FIRST walk for 1000000 steps (91533 resets) in 433 ms. (2304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:34:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:34:11] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-05-31 22:34:11] [INFO ] [Real]Absence check using 7 positive and 6 generalized place invariants in 2 ms returned sat
[2025-05-31 22:34:12] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-05-31 22:34:12] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:34:12] [INFO ] [Real]Added 16 Read/Feed constraints in 6 ms returned sat
[2025-05-31 22:34:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:34:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:34:12] [INFO ] [Nat]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:34:12] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:34:12] [INFO ] [Nat]Added 16 Read/Feed constraints in 15 ms returned sat
[2025-05-31 22:34:12] [INFO ] Computed and/alt/rep : 69/400/69 causal constraints (skipped 11 transitions) in 10 ms.
[2025-05-31 22:34:12] [INFO ] Added : 34 causal constraints over 7 iterations in 86 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 81/81 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 81/81 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2025-05-31 22:34:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:34:12] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-05-31 22:34:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:34:12] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:34:12] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:34:12] [INFO ] Redundant transitions in 1 ms returned []
Running 80 sub problems to find dead transitions.
[2025-05-31 22:34:12] [INFO ] Invariant cache hit.
[2025-05-31 22:34:12] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 16/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 0/161 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 161/161 variables, and 109 constraints, problems are : Problem set: 0 solved, 80 unsolved in 1630 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (OVERLAPS) 1/80 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 81/161 variables, 80/93 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 16/109 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 80/189 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:15] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:15] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:15] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:15] [INFO ] Deduced a trap composed of 33 places in 45 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 4/193 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:18] [INFO ] Deduced a trap along path composed of 20 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/161 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:19] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:19] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:19] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 33 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 34 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 34 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:20] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 9/203 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:21] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:21] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:21] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:21] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:22] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:22] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:22] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:22] [INFO ] Deduced a trap composed of 30 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:23] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:23] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:23] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:23] [INFO ] Deduced a trap composed of 27 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:23] [INFO ] Deduced a trap composed of 8 places in 49 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 13/216 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 34 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 37 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 31 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 33 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 34 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:25] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/161 variables, 8/224 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:28] [INFO ] Deduced a trap along path composed of 8 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:28] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/161 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/161 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:34] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:34] [INFO ] Deduced a trap composed of 30 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:34] [INFO ] Deduced a trap composed of 30 places in 49 ms of which 5 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/161 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:36] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:36] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:37] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:37] [INFO ] Deduced a trap composed of 23 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:37] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 7 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/161 variables, 5/234 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/161 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:43] [INFO ] Deduced a trap composed of 31 places in 55 ms of which 6 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/161 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 161/161 variables, and 235 constraints, problems are : Problem set: 0 solved, 80 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 31660ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 31661ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31943 ms. Remains : 80/80 places, 81/81 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {7=1, 8=1, 9=2, 16=1, 24=1, 33=1, 48=1, 52=1, 53=1, 57=1, 73=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {7=1, 8=1, 16=1, 24=1, 33=1, 48=1, 53=1, 57=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1425 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:34:44] [INFO ] Flatten gal took : 26 ms
[2025-05-31 22:34:44] [INFO ] Flatten gal took : 8 ms
RANDOM walk for 40000 steps (5787 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
[2025-05-31 22:34:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6688893853151534580.gal : 18 ms
[2025-05-31 22:34:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17226302225721366625.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6688893853151534580.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17226302225721366625.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17226302225721366625.prop.
BEST_FIRST walk for 40001 steps (3655 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :27 after 47
Finished probabilistic random walk after 2124 steps, run visited all 1 properties in 11 ms. (steps per millisecond=193 )
Probabilistic random walk after 2124 steps, saw 1077 distinct states, run finished after 11 ms. (steps per millisecond=193 ) properties seen :1
SDD proceeding with computation,1 properties remain. new max is 256
ITS runner timed out or was interrupted.
SDD size :47 after 116
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :116 after 314
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-004-UpperBounds-02 in 34346 ms.
Starting property specific reduction for DoubleExponent-PT-004-UpperBounds-09
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]
// Phase 1: matrix 88 rows 89 cols
[2025-05-31 22:34:44] [INFO ] Computed 13 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1434 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10000 steps (951 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-05-31 22:34:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:34:44] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-05-31 22:34:44] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:34:44] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:34:44] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:34:44] [INFO ] [Real]Added 11 Read/Feed constraints in 11 ms returned sat
[2025-05-31 22:34:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:34:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:34:44] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 1 ms returned sat
[2025-05-31 22:34:44] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:34:44] [INFO ] [Nat]Added 11 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:44] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:44] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:44] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:44] [INFO ] Deduced a trap composed of 8 places in 51 ms of which 4 ms to minimize.
[2025-05-31 22:34:44] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 275 ms
[2025-05-31 22:34:44] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:45] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
[2025-05-31 22:34:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2025-05-31 22:34:45] [INFO ] Added : 24 causal constraints over 5 iterations in 149 ms. Result :sat
Minimization took 44 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 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Graph (complete) has 332 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 83 transition count 83
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 83 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 82 transition count 82
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 82 transition count 82
Applied a total of 14 rules in 9 ms. Remains 82 /89 variables (removed 7) and now considering 82/88 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 82/89 places, 82/88 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1427 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
// Phase 1: matrix 82 rows 82 cols
[2025-05-31 22:34:45] [INFO ] Computed 13 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144062 resets) in 572 ms. (1745 steps per ms)
BEST_FIRST walk for 1000000 steps (91317 resets) in 413 ms. (2415 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 22:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:34:46] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:34:46] [INFO ] [Real]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:34:46] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:34:46] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:34:46] [INFO ] [Real]Added 12 Read/Feed constraints in 17 ms returned sat
[2025-05-31 22:34:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:34:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:34:46] [INFO ] [Nat]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:34:46] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:34:46] [INFO ] [Nat]Added 12 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:46] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:46] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:46] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:46] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
[2025-05-31 22:34:46] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 230 ms
[2025-05-31 22:34:46] [INFO ] Computed and/alt/rep : 78/416/78 causal constraints (skipped 3 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:46] [INFO ] Deduced a trap composed of 8 places in 65 ms of which 3 ms to minimize.
[2025-05-31 22:34:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2025-05-31 22:34:46] [INFO ] Added : 28 causal constraints over 8 iterations in 204 ms. Result :sat
Minimization took 44 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 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2025-05-31 22:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:34:46] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-05-31 22:34:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:34:47] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:34:47] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 282 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:34:47] [INFO ] Redundant transitions in 2 ms returned []
Running 81 sub problems to find dead transitions.
[2025-05-31 22:34:47] [INFO ] Invariant cache hit.
[2025-05-31 22:34:47] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 12/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 0/164 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 164/164 variables, and 107 constraints, problems are : Problem set: 0 solved, 81 unsolved in 1586 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 12/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 81/188 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:49] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/164 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:51] [INFO ] Deduced a trap along path composed of 9 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/164 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/164 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:53] [INFO ] Deduced a trap composed of 35 places in 54 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/164 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:54] [INFO ] Deduced a trap composed of 36 places in 50 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:55] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/164 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:34:57] [INFO ] Deduced a trap composed of 35 places in 59 ms of which 5 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/164 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/164 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 17 (OVERLAPS) 0/164 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 164/164 variables, and 194 constraints, problems are : Problem set: 0 solved, 81 unsolved in 11644 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 13246ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 13247ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13540 ms. Remains : 82/82 places, 82/82 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1431 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 22:35:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144541 resets) in 595 ms. (1677 steps per ms)
BEST_FIRST walk for 1000000 steps (91306 resets) in 413 ms. (2415 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 22:35:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:35:01] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:35:01] [INFO ] [Real]Absence check using 7 positive and 6 generalized place invariants in 2 ms returned sat
[2025-05-31 22:35:01] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-05-31 22:35:01] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:35:01] [INFO ] [Real]Added 12 Read/Feed constraints in 10 ms returned sat
[2025-05-31 22:35:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:35:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:35:01] [INFO ] [Nat]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:35:01] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-05-31 22:35:01] [INFO ] [Nat]Added 12 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:01] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:01] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:01] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:01] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
[2025-05-31 22:35:01] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 232 ms
[2025-05-31 22:35:02] [INFO ] Computed and/alt/rep : 78/416/78 causal constraints (skipped 3 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:02] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 2 ms to minimize.
[2025-05-31 22:35:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
[2025-05-31 22:35:02] [INFO ] Added : 28 causal constraints over 8 iterations in 192 ms. Result :sat
Minimization took 42 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 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2025-05-31 22:35:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:35:02] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-05-31 22:35:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:35:02] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:35:02] [INFO ] Implicit Places using invariants and state equation in 194 ms returned []
Implicit Place search using SMT with State Equation took 263 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:35:02] [INFO ] Redundant transitions in 2 ms returned []
Running 81 sub problems to find dead transitions.
[2025-05-31 22:35:02] [INFO ] Invariant cache hit.
[2025-05-31 22:35:02] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 12/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 0/164 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 164/164 variables, and 107 constraints, problems are : Problem set: 0 solved, 81 unsolved in 1619 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/82 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/164 variables, 82/95 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 12/107 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 81/188 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:05] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/164 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:06] [INFO ] Deduced a trap along path composed of 9 places in 31 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/164 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/164 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:08] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/164 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:09] [INFO ] Deduced a trap composed of 36 places in 59 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:10] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/164 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:12] [INFO ] Deduced a trap composed of 35 places in 53 ms of which 6 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/164 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/164 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 17 (OVERLAPS) 0/164 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 164/164 variables, and 194 constraints, problems are : Problem set: 0 solved, 81 unsolved in 11638 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 13287ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 13288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13560 ms. Remains : 82/82 places, 82/82 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 9=1, 21=1, 30=1, 41=1, 56=1, 62=1, 66=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1472 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 22:35:15] [INFO ] Flatten gal took : 22 ms
[2025-05-31 22:35:15] [INFO ] Flatten gal took : 7 ms
RANDOM walk for 40000 steps (5808 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
[2025-05-31 22:35:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8798045178148261309.gal : 2 ms
[2025-05-31 22:35:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12728879304093258227.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8798045178148261309.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12728879304093258227.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (3594 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 545 steps, run visited all 1 properties in 6 ms. (steps per millisecond=90 )
Probabilistic random walk after 545 steps, saw 278 distinct states, run finished after 6 ms. (steps per millisecond=90 ) properties seen :1
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12728879304093258227.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :27 after 42
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :42 after 91
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 257 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,289,0.044818,5100,2,1062,13,4051,6,0,412,2311,0
Total reachable state count : 289
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
MIN0,12,0.045303,5228,2,159,13,4051,7,0,415,2311,0
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-004-UpperBounds-09 in 31554 ms.
Starting property specific reduction for DoubleExponent-PT-004-UpperBounds-12
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]
// Phase 1: matrix 88 rows 89 cols
[2025-05-31 22:35:16] [INFO ] Computed 13 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (1456 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10000 steps (901 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:35:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:35:16] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:35:16] [INFO ] [Real]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:35:16] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 22:35:16] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 22:35:16] [INFO ] [Real]Added 11 Read/Feed constraints in 5 ms returned sat
[2025-05-31 22:35:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 22:35:16] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-31 22:35:16] [INFO ] [Nat]Absence check using 4 positive and 9 generalized place invariants in 2 ms returned sat
[2025-05-31 22:35:16] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2025-05-31 22:35:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 27 ms returned sat
[2025-05-31 22:35:16] [INFO ] Computed and/alt/rep : 84/398/84 causal constraints (skipped 3 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:17] [INFO ] Deduced a trap composed of 25 places in 713 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:17] [INFO ] Deduced a trap composed of 26 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:17] [INFO ] Deduced a trap composed of 27 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:17] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 6 ms to minimize.
[2025-05-31 22:35:17] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 945 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 26 places in 112 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 26 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 26 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 28 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 27 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 27 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 29 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 28 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:18] [INFO ] Deduced a trap composed of 30 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:19] [INFO ] Deduced a trap composed of 29 places in 64 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:19] [INFO ] Deduced a trap composed of 29 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:19] [INFO ] Deduced a trap composed of 31 places in 56 ms of which 7 ms to minimize.
[2025-05-31 22:35:19] [INFO ] Trap strengthening (SAT) tested/added 15/14 trap constraints in 1159 ms
[2025-05-31 22:35:19] [INFO ] Added : 79 causal constraints over 17 iterations in 2730 ms. Result :sat
Minimization took 89 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 88/88 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 85 transition count 84
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 0 with 2 rules applied. Total rules applied 10 place count 84 transition count 84
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 84 transition count 82
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 82 transition count 82
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 17 place count 82 transition count 82
Applied a total of 17 rules in 8 ms. Remains 82 /89 variables (removed 7) and now considering 82/88 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 82/89 places, 82/88 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {8=1, 9=1, 19=1, 27=1, 36=1, 51=1, 56=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 9=1, 19=1, 27=1, 36=1, 51=1, 56=1, 60=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1461 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 82 rows 82 cols
[2025-05-31 22:35:19] [INFO ] Computed 13 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (144249 resets) in 600 ms. (1663 steps per ms)
BEST_FIRST walk for 1000001 steps (91575 resets) in 429 ms. (2325 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:35:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:35:20] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:35:20] [INFO ] [Real]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:35:20] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 22:35:20] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:35:20] [INFO ] [Real]Added 16 Read/Feed constraints in 7 ms returned sat
[2025-05-31 22:35:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 22:35:20] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-31 22:35:21] [INFO ] [Nat]Absence check using 7 positive and 6 generalized place invariants in 1 ms returned sat
[2025-05-31 22:35:21] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-05-31 22:35:21] [INFO ] [Nat]Added 16 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 23 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 25 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 25 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 5 ms to minimize.
[2025-05-31 22:35:21] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 585 ms
[2025-05-31 22:35:21] [INFO ] Computed and/alt/rep : 70/393/70 causal constraints (skipped 11 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:21] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 2 ms to minimize.
[2025-05-31 22:35:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2025-05-31 22:35:21] [INFO ] Added : 53 causal constraints over 12 iterations in 214 ms. Result :sat
Minimization took 73 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 82/82 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2025-05-31 22:35:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:35:22] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-31 22:35:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:35:22] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 22:35:22] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:35:22] [INFO ] Redundant transitions in 2 ms returned []
Running 81 sub problems to find dead transitions.
[2025-05-31 22:35:22] [INFO ] Invariant cache hit.
[2025-05-31 22:35:22] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/163 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 81 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 16/110 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 1/164 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/164 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (OVERLAPS) 0/164 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 164/164 variables, and 111 constraints, problems are : Problem set: 0 solved, 81 unsolved in 2104 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 1/81 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 82/163 variables, 81/94 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 16/110 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 77/187 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:25] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:25] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:25] [INFO ] Deduced a trap composed of 36 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:25] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:26] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 5/192 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:26] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 11 (OVERLAPS) 1/164 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 4/198 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:29] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:29] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:29] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:30] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:35:30] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 5/203 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/164 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 15 (OVERLAPS) 0/164 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 164/164 variables, and 203 constraints, problems are : Problem set: 0 solved, 81 unsolved in 9415 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 82/82 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11542ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 11543ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11847 ms. Remains : 82/82 places, 82/82 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {8=1, 9=1, 19=1, 27=1, 36=1, 51=1, 56=1, 60=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {8=1, 9=1, 19=1, 27=1, 36=1, 51=1, 56=1, 60=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1431 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 22:35:34] [INFO ] Flatten gal took : 9 ms
RANDOM walk for 40000 steps (5772 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
[2025-05-31 22:35:34] [INFO ] Flatten gal took : 7 ms
[2025-05-31 22:35:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17881189763633903322.gal : 3 ms
[2025-05-31 22:35:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6898383675838439870.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17881189763633903322.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6898383675838439870.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40000 steps (3652 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_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6898383675838439870.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 27
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :27 after 47
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :47 after 116
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :116 after 314
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :314 after 896
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :896 after 6145
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6145 after 36429
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :36429 after 169055
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :169055 after 468883
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 16385 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,3.63431e+07,1.18867,40896,2,39271,20,156084,6,0,409,114333,0
Total reachable state count : 36343062
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
MIN0,28,1.19079,40896,2,327,20,156084,7,0,412,114333,0
Interrupted probabilistic random walk after 1265777 steps, run timeout after 3001 ms. (steps per millisecond=421 ) properties seen :0 out of 1
Probabilistic random walk after 1265777 steps, saw 632929 distinct states, run finished after 3003 ms. (steps per millisecond=421 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for DoubleExponent-PT-004-UpperBounds-12 in 21275 ms.
[2025-05-31 22:35:37] [INFO ] Flatten gal took : 9 ms
[2025-05-31 22:35:37] [INFO ] Applying decomposition
[2025-05-31 22:35:37] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12033687957387267972.txt' '-o' '/tmp/graph12033687957387267972.bin' '-w' '/tmp/graph12033687957387267972.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12033687957387267972.bin' '-l' '-1' '-v' '-w' '/tmp/graph12033687957387267972.weights' '-q' '0' '-e' '0.001'
[2025-05-31 22:35:37] [INFO ] Decomposing Gal with order
[2025-05-31 22:35:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 22:35:37] [INFO ] Removed a total of 36 redundant transitions.
[2025-05-31 22:35:37] [INFO ] Flatten gal took : 44 ms
[2025-05-31 22:35:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 7 ms.
[2025-05-31 22:35:37] [INFO ] Time to serialize gal into /tmp/UpperBounds70734731067931340.gal : 3 ms
[2025-05-31 22:35:37] [INFO ] Time to serialize properties into /tmp/UpperBounds1712044437592112291.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds70734731067931340.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1712044437592112291.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...281
Loading property file /tmp/UpperBounds1712044437592112291.prop.
Detected timeout of ITS tools.
[2025-05-31 22:56:45] [INFO ] Flatten gal took : 7 ms
[2025-05-31 22:56:45] [INFO ] Time to serialize gal into /tmp/UpperBounds2491921256818508651.gal : 1 ms
[2025-05-31 22:56:45] [INFO ] Time to serialize properties into /tmp/UpperBounds3160518749482272787.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds2491921256818508651.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3160518749482272787.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds3160518749482272787.prop.
Detected timeout of ITS tools.
[2025-05-31 23:17:53] [INFO ] Flatten gal took : 6 ms
[2025-05-31 23:17:53] [INFO ] Input system was already deterministic with 88 transitions.
[2025-05-31 23:17:53] [INFO ] Transformed 89 places.
[2025-05-31 23:17:53] [INFO ] Transformed 88 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2025-05-31 23:17:53] [INFO ] Time to serialize gal into /tmp/UpperBounds13826825684156240831.gal : 1 ms
[2025-05-31 23:17:53] [INFO ] Time to serialize properties into /tmp/UpperBounds10081903300388227862.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds13826825684156240831.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10081903300388227862.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...351
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds10081903300388227862.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleExponent-PT-004"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleExponent-PT-004, 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 r072-tall-174860067500485"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-004.tgz
mv DoubleExponent-PT-004 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;