Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r179-tall-171640601200293.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FunctionPointer-PT-c008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640601200293
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.7M
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 15:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 4.2M May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716438698142

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c008
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 04:31:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 04:31:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 04:31:39] [INFO ] Load time of PNML (sax parser for PT used): 344 ms
[2024-05-23 04:31:39] [INFO ] Transformed 2826 places.
[2024-05-23 04:31:39] [INFO ] Transformed 8960 transitions.
[2024-05-23 04:31:39] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 493 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 1198 places in 44 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c008-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c008-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c008-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 04:31:39] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2024-05-23 04:31:40] [INFO ] Computed 4 invariants in 131 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
RANDOM walk for 10000 steps (2 resets) in 279 ms. (35 steps per ms)
BEST_FIRST walk for 130012 steps (30 resets) in 293 ms. (442 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
[2024-05-23 04:31:40] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2024-05-23 04:31:40] [INFO ] Invariant cache hit.
[2024-05-23 04:31:41] [INFO ] [Real]Absence check using 3 positive place invariants in 16 ms returned sat
[2024-05-23 04:31:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:31:41] [INFO ] [Real]Absence check using state equation in 708 ms returned sat
[2024-05-23 04:31:42] [INFO ] State equation strengthened by 479 read => feed constraints.
[2024-05-23 04:31:42] [INFO ] [Real]Added 479 Read/Feed constraints in 124 ms returned sat
[2024-05-23 04:31:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:31:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 04:31:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:31:43] [INFO ] [Nat]Absence check using state equation in 691 ms returned sat
[2024-05-23 04:31:43] [INFO ] [Nat]Added 479 Read/Feed constraints in 110 ms returned sat
[2024-05-23 04:31:44] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 713 ms.
[2024-05-23 04:31:44] [INFO ] Added : 2 causal constraints over 1 iterations in 1095 ms. Result :sat
Minimization took 592 ms.
[2024-05-23 04:31:45] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:31:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:31:46] [INFO ] [Real]Absence check using state equation in 746 ms returned sat
[2024-05-23 04:31:46] [INFO ] [Real]Added 479 Read/Feed constraints in 166 ms returned sat
[2024-05-23 04:31:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:31:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:31:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 7 ms returned sat
[2024-05-23 04:31:47] [INFO ] [Nat]Absence check using state equation in 729 ms returned sat
[2024-05-23 04:31:47] [INFO ] [Nat]Added 479 Read/Feed constraints in 102 ms returned sat
[2024-05-23 04:31:47] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 435 ms.
[2024-05-23 04:31:49] [INFO ] Deduced a trap composed of 142 places in 1307 ms of which 95 ms to minimize.
[2024-05-23 04:31:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1544 ms
[2024-05-23 04:31:49] [INFO ] Added : 2 causal constraints over 1 iterations in 2451 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 04:31:50] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:31:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:31:51] [INFO ] [Real]Absence check using state equation in 785 ms returned sat
[2024-05-23 04:31:51] [INFO ] [Real]Added 479 Read/Feed constraints in 149 ms returned sat
[2024-05-23 04:31:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:31:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 04:31:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:31:52] [INFO ] [Nat]Absence check using state equation in 778 ms returned sat
[2024-05-23 04:31:53] [INFO ] [Nat]Added 479 Read/Feed constraints in 251 ms returned sat
[2024-05-23 04:31:53] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 468 ms.
[2024-05-23 04:31:53] [INFO ] Added : 1 causal constraints over 1 iterations in 783 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 04:31:54] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:31:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:31:55] [INFO ] [Real]Absence check using state equation in 697 ms returned sat
[2024-05-23 04:31:55] [INFO ] [Real]Added 479 Read/Feed constraints in 200 ms returned sat
[2024-05-23 04:31:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:31:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:31:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:31:56] [INFO ] [Nat]Absence check using state equation in 753 ms returned sat
[2024-05-23 04:31:56] [INFO ] [Nat]Added 479 Read/Feed constraints in 135 ms returned sat
[2024-05-23 04:31:58] [INFO ] Deduced a trap composed of 147 places in 1176 ms of which 10 ms to minimize.
[2024-05-23 04:31:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1350 ms
[2024-05-23 04:31:58] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 418 ms.
[2024-05-23 04:31:58] [INFO ] Added : 2 causal constraints over 1 iterations in 743 ms. Result :sat
Minimization took 593 ms.
[2024-05-23 04:31:59] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:31:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:00] [INFO ] [Real]Absence check using state equation in 744 ms returned sat
[2024-05-23 04:32:00] [INFO ] [Real]Added 479 Read/Feed constraints in 181 ms returned sat
[2024-05-23 04:32:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 04:32:00] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:32:01] [INFO ] [Nat]Absence check using state equation in 703 ms returned sat
[2024-05-23 04:32:01] [INFO ] [Nat]Added 479 Read/Feed constraints in 119 ms returned sat
[2024-05-23 04:32:02] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 407 ms.
[2024-05-23 04:32:03] [INFO ] Deduced a trap composed of 142 places in 1083 ms of which 11 ms to minimize.
[2024-05-23 04:32:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1310 ms
[2024-05-23 04:32:04] [INFO ] Added : 2 causal constraints over 1 iterations in 2129 ms. Result :sat
Minimization took 590 ms.
[2024-05-23 04:32:04] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:04] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:05] [INFO ] [Real]Absence check using state equation in 678 ms returned sat
[2024-05-23 04:32:05] [INFO ] [Real]Added 479 Read/Feed constraints in 155 ms returned sat
[2024-05-23 04:32:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:06] [INFO ] [Nat]Absence check using state equation in 695 ms returned sat
[2024-05-23 04:32:06] [INFO ] [Nat]Added 479 Read/Feed constraints in 112 ms returned sat
[2024-05-23 04:32:08] [INFO ] Deduced a trap composed of 142 places in 1223 ms of which 14 ms to minimize.
[2024-05-23 04:32:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1418 ms
[2024-05-23 04:32:08] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 403 ms.
[2024-05-23 04:32:08] [INFO ] Added : 2 causal constraints over 1 iterations in 731 ms. Result :sat
Minimization took 596 ms.
[2024-05-23 04:32:09] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:09] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:32:10] [INFO ] [Real]Absence check using state equation in 733 ms returned sat
[2024-05-23 04:32:10] [INFO ] [Real]Added 479 Read/Feed constraints in 135 ms returned sat
[2024-05-23 04:32:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:11] [INFO ] [Nat]Absence check using state equation in 715 ms returned sat
[2024-05-23 04:32:11] [INFO ] [Nat]Added 479 Read/Feed constraints in 114 ms returned sat
[2024-05-23 04:32:12] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 394 ms.
[2024-05-23 04:32:12] [INFO ] Added : 2 causal constraints over 1 iterations in 709 ms. Result :sat
Minimization took 593 ms.
[2024-05-23 04:32:13] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:13] [INFO ] [Real]Absence check using state equation in 704 ms returned sat
[2024-05-23 04:32:14] [INFO ] [Real]Added 479 Read/Feed constraints in 181 ms returned sat
[2024-05-23 04:32:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:15] [INFO ] [Nat]Absence check using state equation in 701 ms returned sat
[2024-05-23 04:32:15] [INFO ] [Nat]Added 479 Read/Feed constraints in 239 ms returned sat
[2024-05-23 04:32:16] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 476 ms.
[2024-05-23 04:32:16] [INFO ] Added : 1 causal constraints over 1 iterations in 790 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 04:32:17] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:17] [INFO ] [Real]Absence check using state equation in 729 ms returned sat
[2024-05-23 04:32:18] [INFO ] [Real]Added 479 Read/Feed constraints in 123 ms returned sat
[2024-05-23 04:32:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:18] [INFO ] [Nat]Absence check using state equation in 712 ms returned sat
[2024-05-23 04:32:19] [INFO ] [Nat]Added 479 Read/Feed constraints in 100 ms returned sat
[2024-05-23 04:32:19] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 390 ms.
[2024-05-23 04:32:19] [INFO ] Added : 2 causal constraints over 1 iterations in 697 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 04:32:20] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:21] [INFO ] [Real]Absence check using state equation in 706 ms returned sat
[2024-05-23 04:32:21] [INFO ] [Real]Added 479 Read/Feed constraints in 134 ms returned sat
[2024-05-23 04:32:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:22] [INFO ] [Nat]Absence check using state equation in 726 ms returned sat
[2024-05-23 04:32:22] [INFO ] [Nat]Added 479 Read/Feed constraints in 242 ms returned sat
[2024-05-23 04:32:23] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 403 ms.
[2024-05-23 04:32:23] [INFO ] Added : 1 causal constraints over 1 iterations in 734 ms. Result :sat
Minimization took 604 ms.
[2024-05-23 04:32:24] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:25] [INFO ] [Real]Absence check using state equation in 774 ms returned sat
[2024-05-23 04:32:25] [INFO ] [Real]Added 479 Read/Feed constraints in 169 ms returned sat
[2024-05-23 04:32:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:26] [INFO ] [Nat]Absence check using state equation in 702 ms returned sat
[2024-05-23 04:32:26] [INFO ] [Nat]Added 479 Read/Feed constraints in 235 ms returned sat
[2024-05-23 04:32:27] [INFO ] Deduced a trap composed of 134 places in 1140 ms of which 11 ms to minimize.
[2024-05-23 04:32:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1305 ms
[2024-05-23 04:32:28] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 389 ms.
[2024-05-23 04:32:28] [INFO ] Added : 2 causal constraints over 1 iterations in 705 ms. Result :sat
Minimization took 590 ms.
[2024-05-23 04:32:29] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:30] [INFO ] [Real]Absence check using state equation in 712 ms returned sat
[2024-05-23 04:32:30] [INFO ] [Real]Added 479 Read/Feed constraints in 164 ms returned sat
[2024-05-23 04:32:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 04:32:30] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:32:31] [INFO ] [Nat]Absence check using state equation in 742 ms returned sat
[2024-05-23 04:32:31] [INFO ] [Nat]Added 479 Read/Feed constraints in 185 ms returned sat
[2024-05-23 04:32:31] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 380 ms.
[2024-05-23 04:32:32] [INFO ] Added : 2 causal constraints over 1 iterations in 691 ms. Result :sat
Minimization took 577 ms.
[2024-05-23 04:32:33] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 04:32:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:32:33] [INFO ] [Real]Absence check using state equation in 707 ms returned sat
[2024-05-23 04:32:33] [INFO ] [Real]Added 479 Read/Feed constraints in 153 ms returned sat
[2024-05-23 04:32:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2024-05-23 04:32:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:34] [INFO ] [Nat]Absence check using state equation in 705 ms returned sat
[2024-05-23 04:32:35] [INFO ] [Nat]Added 479 Read/Feed constraints in 108 ms returned sat
[2024-05-23 04:32:35] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 379 ms.
[2024-05-23 04:32:35] [INFO ] Added : 2 causal constraints over 1 iterations in 689 ms. Result :sat
Minimization took 575 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
Support contains 13 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.21 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Iterating post reduction 0 with 378 rules applied. Total rules applied 379 place count 1422 transition count 5584
Discarding 297 places :
Symmetric choice reduction at 1 with 297 rule applications. Total rules 676 place count 1125 transition count 3340
Iterating global reduction 1 with 297 rules applied. Total rules applied 973 place count 1125 transition count 3340
Ensure Unique test removed 382 transitions
Reduce isomorphic transitions removed 382 transitions.
Iterating post reduction 1 with 382 rules applied. Total rules applied 1355 place count 1125 transition count 2958
Discarding 154 places :
Symmetric choice reduction at 2 with 154 rule applications. Total rules 1509 place count 971 transition count 2650
Iterating global reduction 2 with 154 rules applied. Total rules applied 1663 place count 971 transition count 2650
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Iterating post reduction 2 with 76 rules applied. Total rules applied 1739 place count 971 transition count 2574
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1753 place count 957 transition count 2546
Iterating global reduction 3 with 14 rules applied. Total rules applied 1767 place count 957 transition count 2546
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1780 place count 944 transition count 2520
Iterating global reduction 3 with 13 rules applied. Total rules applied 1793 place count 944 transition count 2520
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1806 place count 931 transition count 2494
Iterating global reduction 3 with 13 rules applied. Total rules applied 1819 place count 931 transition count 2494
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1832 place count 918 transition count 2468
Iterating global reduction 3 with 13 rules applied. Total rules applied 1845 place count 918 transition count 2468
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1858 place count 905 transition count 2442
Iterating global reduction 3 with 13 rules applied. Total rules applied 1871 place count 905 transition count 2442
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1884 place count 892 transition count 2416
Iterating global reduction 3 with 13 rules applied. Total rules applied 1897 place count 892 transition count 2416
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1908 place count 881 transition count 2394
Iterating global reduction 3 with 11 rules applied. Total rules applied 1919 place count 881 transition count 2394
Discarding 48 places :
Symmetric choice reduction at 3 with 48 rule applications. Total rules 1967 place count 833 transition count 2212
Iterating global reduction 3 with 48 rules applied. Total rules applied 2015 place count 833 transition count 2212
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2068 place count 780 transition count 2000
Iterating global reduction 3 with 53 rules applied. Total rules applied 2121 place count 780 transition count 2000
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2174 place count 727 transition count 1874
Iterating global reduction 3 with 53 rules applied. Total rules applied 2227 place count 727 transition count 1874
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2280 place count 674 transition count 1768
Iterating global reduction 3 with 53 rules applied. Total rules applied 2333 place count 674 transition count 1768
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2386 place count 621 transition count 1662
Iterating global reduction 3 with 53 rules applied. Total rules applied 2439 place count 621 transition count 1662
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2492 place count 568 transition count 1556
Iterating global reduction 3 with 53 rules applied. Total rules applied 2545 place count 568 transition count 1556
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2598 place count 515 transition count 1450
Iterating global reduction 3 with 53 rules applied. Total rules applied 2651 place count 515 transition count 1450
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 2661 place count 505 transition count 1430
Iterating global reduction 3 with 10 rules applied. Total rules applied 2671 place count 505 transition count 1430
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 3 with 22 rules applied. Total rules applied 2693 place count 505 transition count 1408
Applied a total of 2693 rules in 1581 ms. Remains 505 /1628 variables (removed 1123) and now considering 1408/5962 (removed 4554) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1601 ms. Remains : 505/1628 places, 1408/5962 transitions.
[2024-05-23 04:32:37] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 13) seen :[2, 2, 0, 0, 2, 2, 0, 4, 0, 0, 3, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 2, 1, 1, 2, 2, 0, 4, 0, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
[2024-05-23 04:32:38] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:32:38] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 1, 1, 2, 2, 0, 4, 0, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
RANDOM walk for 1000001 steps (2 resets) in 2440 ms. (409 steps per ms)
BEST_FIRST walk for 13000012 steps (26 resets) in 9782 ms. (1328 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 5, 1, 1, 167, 115, 4, 82, 15, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
[2024-05-23 04:32:50] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:32:50] [INFO ] Invariant cache hit.
[2024-05-23 04:32:50] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:50] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:32:50] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:32:50] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:32:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:51] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:32:51] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:32:51] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 04:32:51] [INFO ] Added : 2 causal constraints over 1 iterations in 186 ms. Result :sat
Minimization took 577 ms.
[2024-05-23 04:32:52] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Real]Added 106 Read/Feed constraints in 39 ms returned sat
[2024-05-23 04:32:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-23 04:32:52] [INFO ] [Nat]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:32:52] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:32:52] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 450 ms.
[2024-05-23 04:32:53] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:53] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:32:53] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:32:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:53] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2024-05-23 04:32:54] [INFO ] [Nat]Added 106 Read/Feed constraints in 77 ms returned sat
[2024-05-23 04:32:54] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 81 ms.
[2024-05-23 04:32:54] [INFO ] Added : 1 causal constraints over 1 iterations in 190 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 04:32:54] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 9 ms returned sat
[2024-05-23 04:32:55] [INFO ] [Real]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:32:55] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:32:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:55] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:32:55] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:32:55] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:32:55] [INFO ] Added : 1 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 455 ms.
[2024-05-23 04:32:56] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:32:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:32:56] [INFO ] [Nat]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:32:56] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:32:56] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 451 ms.
[2024-05-23 04:32:57] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:32:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:32:57] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:32:58] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:32:58] [INFO ] Added : 2 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 443 ms.
[2024-05-23 04:32:58] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:32:58] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:32:58] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:32:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:32:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-23 04:32:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:32:59] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:32:59] [INFO ] [Nat]Added 106 Read/Feed constraints in 29 ms returned sat
[2024-05-23 04:32:59] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:32:59] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 439 ms.
[2024-05-23 04:32:59] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:32:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-23 04:33:00] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:33:00] [INFO ] [Real]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:33:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:00] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:33:00] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:33:00] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:33:00] [INFO ] Added : 1 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 439 ms.
[2024-05-23 04:33:01] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:33:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 04:33:01] [INFO ] [Nat]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:33:01] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:33:01] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:33:02] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:33:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:33:02] [INFO ] [Nat]Added 106 Read/Feed constraints in 64 ms returned sat
[2024-05-23 04:33:03] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:33:03] [INFO ] Added : 1 causal constraints over 1 iterations in 171 ms. Result :sat
Minimization took 457 ms.
[2024-05-23 04:33:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:03] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:33:03] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:33:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:04] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:33:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 66 ms returned sat
[2024-05-23 04:33:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:33:04] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 449 ms.
[2024-05-23 04:33:04] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:05] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:33:05] [INFO ] [Real]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:33:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:05] [INFO ] [Nat]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:33:05] [INFO ] [Nat]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:33:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 04:33:05] [INFO ] Added : 1 causal constraints over 1 iterations in 183 ms. Result :sat
Minimization took 451 ms.
[2024-05-23 04:33:06] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Real]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:33:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:33:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:33:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:33:06] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 447 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 5, 1, 1, 167, 115, 4, 82, 15, 1, 9, 1, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 5, 1, 6, 167, 115, 4, 82, 15, 1, 9, 6, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
Support contains 13 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 56 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 54 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:33:07] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:33:07] [INFO ] Invariant cache hit.
[2024-05-23 04:33:08] [INFO ] Implicit Places using invariants in 353 ms returned []
[2024-05-23 04:33:08] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:33:08] [INFO ] Invariant cache hit.
[2024-05-23 04:33:08] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:33:09] [INFO ] Implicit Places using invariants and state equation in 1515 ms returned []
Implicit Place search using SMT with State Equation took 1870 ms to find 0 implicit places.
[2024-05-23 04:33:09] [INFO ] Redundant transitions in 66 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:33:09] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:33:09] [INFO ] Invariant cache hit.
[2024-05-23 04:33:09] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 34934ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 34957ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36972 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:33:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 13) seen :[0, 0, 0, 0, 3, 2, 0, 2, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 5, 1, 6, 167, 115, 4, 82, 15, 1, 9, 6, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
[2024-05-23 04:33:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:33:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 5, 1, 6, 167, 115, 4, 82, 15, 1, 9, 6, 1] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2434 ms. (410 steps per ms)
BEST_FIRST walk for 13000012 steps (26 resets) in 9823 ms. (1323 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[97, 43, 1, 6, 167, 115, 4, 82, 15, 2, 9, 6, 4] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
[2024-05-23 04:33:57] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:33:57] [INFO ] Invariant cache hit.
[2024-05-23 04:33:57] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:33:57] [INFO ] [Real]Absence check using state equation in 175 ms returned sat
[2024-05-23 04:33:57] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:33:57] [INFO ] [Real]Added 106 Read/Feed constraints in 51 ms returned sat
[2024-05-23 04:33:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:57] [INFO ] [Nat]Absence check using state equation in 175 ms returned sat
[2024-05-23 04:33:57] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:33:57] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 74 ms.
[2024-05-23 04:33:58] [INFO ] Added : 2 causal constraints over 1 iterations in 176 ms. Result :sat
Minimization took 522 ms.
[2024-05-23 04:33:58] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:33:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:33:58] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2024-05-23 04:33:58] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:33:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:33:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:33:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:33:59] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2024-05-23 04:33:59] [INFO ] [Nat]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:33:59] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:33:59] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 502 ms.
[2024-05-23 04:34:00] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:34:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2024-05-23 04:34:00] [INFO ] [Nat]Added 106 Read/Feed constraints in 73 ms returned sat
[2024-05-23 04:34:00] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:34:00] [INFO ] Added : 1 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 492 ms.
[2024-05-23 04:34:01] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:34:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2024-05-23 04:34:01] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:34:02] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:34:02] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 532 ms.
[2024-05-23 04:34:02] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:34:02] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2024-05-23 04:34:03] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:34:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:03] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2024-05-23 04:34:03] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:34:03] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 80 ms.
[2024-05-23 04:34:03] [INFO ] Added : 2 causal constraints over 1 iterations in 183 ms. Result :sat
Minimization took 524 ms.
[2024-05-23 04:34:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Real]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:34:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Nat]Absence check using state equation in 170 ms returned sat
[2024-05-23 04:34:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:34:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:34:04] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 526 ms.
[2024-05-23 04:34:05] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:05] [INFO ] [Real]Absence check using state equation in 175 ms returned sat
[2024-05-23 04:34:05] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:34:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:06] [INFO ] [Nat]Absence check using state equation in 170 ms returned sat
[2024-05-23 04:34:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 27 ms returned sat
[2024-05-23 04:34:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 74 ms.
[2024-05-23 04:34:06] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 493 ms.
[2024-05-23 04:34:06] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:07] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2024-05-23 04:34:07] [INFO ] [Real]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:34:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:07] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:34:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 49 ms returned sat
[2024-05-23 04:34:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:34:07] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 532 ms.
[2024-05-23 04:34:08] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:34:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Nat]Absence check using state equation in 175 ms returned sat
[2024-05-23 04:34:08] [INFO ] [Nat]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:34:08] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 75 ms.
[2024-05-23 04:34:08] [INFO ] Added : 2 causal constraints over 1 iterations in 176 ms. Result :sat
Minimization took 504 ms.
[2024-05-23 04:34:09] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:09] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:34:09] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:34:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:10] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2024-05-23 04:34:10] [INFO ] [Nat]Added 106 Read/Feed constraints in 66 ms returned sat
[2024-05-23 04:34:10] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 74 ms.
[2024-05-23 04:34:10] [INFO ] Added : 1 causal constraints over 1 iterations in 176 ms. Result :sat
Minimization took 513 ms.
[2024-05-23 04:34:10] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:11] [INFO ] [Real]Absence check using state equation in 166 ms returned sat
[2024-05-23 04:34:11] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:34:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:11] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2024-05-23 04:34:11] [INFO ] [Nat]Added 106 Read/Feed constraints in 68 ms returned sat
[2024-05-23 04:34:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 81 ms.
[2024-05-23 04:34:11] [INFO ] Added : 2 causal constraints over 1 iterations in 190 ms. Result :sat
Minimization took 526 ms.
[2024-05-23 04:34:12] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Real]Absence check using state equation in 198 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:34:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Nat]Absence check using state equation in 196 ms returned sat
[2024-05-23 04:34:12] [INFO ] [Nat]Added 106 Read/Feed constraints in 48 ms returned sat
[2024-05-23 04:34:13] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 94 ms.
[2024-05-23 04:34:13] [INFO ] Added : 1 causal constraints over 1 iterations in 198 ms. Result :sat
Minimization took 507 ms.
[2024-05-23 04:34:13] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:13] [INFO ] [Real]Absence check using state equation in 176 ms returned sat
[2024-05-23 04:34:14] [INFO ] [Real]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:34:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-23 04:34:14] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:34:14] [INFO ] [Nat]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:34:14] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:34:14] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 518 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[97, 43, 1, 6, 167, 115, 4, 82, 15, 2, 9, 6, 4] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, 8, +inf, 8, +inf]
FORMULA FunctionPointer-PT-c008-UpperBounds-12 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[97, 43, 1, 6, 167, 115, 4, 82, 15, 9, 6, 4] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 12 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 56 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:34:15] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 12) seen :[2, 0, 0, 0, 3, 0, 0, 2, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[97, 43, 1, 6, 167, 115, 4, 82, 15, 9, 6, 4] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:34:15] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:34:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[97, 43, 1, 6, 167, 115, 4, 82, 15, 9, 6, 4] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2381 ms. (419 steps per ms)
BEST_FIRST walk for 12000010 steps (24 resets) in 8944 ms. (1341 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[97, 106, 1, 6, 167, 115, 4, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:34:26] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:34:26] [INFO ] Invariant cache hit.
[2024-05-23 04:34:26] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:27] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:34:27] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:34:27] [INFO ] [Real]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:34:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:27] [INFO ] [Nat]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:34:27] [INFO ] [Nat]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:34:27] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 67 ms.
[2024-05-23 04:34:27] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 509 ms.
[2024-05-23 04:34:28] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:34:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 04:34:28] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:34:28] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:34:28] [INFO ] Added : 2 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 491 ms.
[2024-05-23 04:34:29] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:29] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:34:29] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:34:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:29] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:34:30] [INFO ] [Nat]Added 106 Read/Feed constraints in 71 ms returned sat
[2024-05-23 04:34:30] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:34:30] [INFO ] Added : 1 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 510 ms.
[2024-05-23 04:34:30] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:31] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2024-05-23 04:34:31] [INFO ] [Real]Added 106 Read/Feed constraints in 52 ms returned sat
[2024-05-23 04:34:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:31] [INFO ] [Nat]Absence check using state equation in 181 ms returned sat
[2024-05-23 04:34:31] [INFO ] [Nat]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:34:31] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:34:31] [INFO ] Added : 1 causal constraints over 1 iterations in 169 ms. Result :sat
Minimization took 513 ms.
[2024-05-23 04:34:32] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:34:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:34:32] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:34:32] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:34:32] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 500 ms.
[2024-05-23 04:34:33] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:33] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:34:33] [INFO ] [Real]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:34:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:34] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:34:34] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:34:34] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:34:34] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 507 ms.
[2024-05-23 04:34:34] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:35] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:34:35] [INFO ] [Real]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:34:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:35] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:34:35] [INFO ] [Nat]Added 106 Read/Feed constraints in 27 ms returned sat
[2024-05-23 04:34:35] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:34:35] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 501 ms.
[2024-05-23 04:34:36] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Real]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:34:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:34:36] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:34:36] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 73 ms.
[2024-05-23 04:34:36] [INFO ] Added : 1 causal constraints over 1 iterations in 177 ms. Result :sat
Minimization took 506 ms.
[2024-05-23 04:34:37] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:37] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:34:37] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:34:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:37] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:34:38] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:34:38] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:34:38] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 492 ms.
[2024-05-23 04:34:38] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:34:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:38] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:34:39] [INFO ] [Real]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:34:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-23 04:34:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:39] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:34:39] [INFO ] [Nat]Added 106 Read/Feed constraints in 67 ms returned sat
[2024-05-23 04:34:39] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 04:34:39] [INFO ] Added : 2 causal constraints over 1 iterations in 182 ms. Result :sat
Minimization took 501 ms.
[2024-05-23 04:34:40] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Real]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:34:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Nat]Absence check using state equation in 181 ms returned sat
[2024-05-23 04:34:40] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:34:40] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:34:40] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 511 ms.
[2024-05-23 04:34:41] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:41] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-05-23 04:34:41] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:34:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:34:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:34:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:34:41] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:34:42] [INFO ] [Nat]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:34:42] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:34:42] [INFO ] Added : 2 causal constraints over 1 iterations in 175 ms. Result :sat
Minimization took 496 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[97, 106, 1, 6, 167, 115, 4, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[97, 106, 1, 6, 167, 115, 4, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 12 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 52 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:34:42] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:34:42] [INFO ] Invariant cache hit.
[2024-05-23 04:34:43] [INFO ] Implicit Places using invariants in 362 ms returned []
[2024-05-23 04:34:43] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:34:43] [INFO ] Invariant cache hit.
[2024-05-23 04:34:43] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:34:44] [INFO ] Implicit Places using invariants and state equation in 1541 ms returned []
Implicit Place search using SMT with State Equation took 1918 ms to find 0 implicit places.
[2024-05-23 04:34:44] [INFO ] Redundant transitions in 68 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:34:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:34:44] [INFO ] Invariant cache hit.
[2024-05-23 04:34:45] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 35284ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 35296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37352 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:35:20] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 12) seen :[0, 0, 1, 0, 2, 1, 1, 5, 0, 0, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[97, 106, 1, 6, 167, 115, 4, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:35:20] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:35:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[97, 106, 1, 6, 167, 115, 4, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000004 steps (2 resets) in 2392 ms. (417 steps per ms)
BEST_FIRST walk for 12000010 steps (24 resets) in 8864 ms. (1353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[97, 106, 2, 6, 167, 115, 5, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:35:31] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:35:31] [INFO ] Invariant cache hit.
[2024-05-23 04:35:31] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:32] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:35:32] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:35:32] [INFO ] [Real]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:35:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:32] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:35:32] [INFO ] [Nat]Added 106 Read/Feed constraints in 49 ms returned sat
[2024-05-23 04:35:32] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:32] [INFO ] Added : 2 causal constraints over 1 iterations in 169 ms. Result :sat
Minimization took 453 ms.
[2024-05-23 04:35:33] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 10 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:35:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:35:33] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:35:33] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 76 ms.
[2024-05-23 04:35:33] [INFO ] Added : 2 causal constraints over 1 iterations in 183 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:35:34] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:34] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:35:34] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:35:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:34] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:35:35] [INFO ] [Nat]Added 106 Read/Feed constraints in 67 ms returned sat
[2024-05-23 04:35:35] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:35:35] [INFO ] Added : 1 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 454 ms.
[2024-05-23 04:35:35] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:35] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:35:36] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:35:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:36] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2024-05-23 04:35:36] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:35:36] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:35:36] [INFO ] Added : 1 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:35:37] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:35:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:35:37] [INFO ] [Nat]Added 106 Read/Feed constraints in 27 ms returned sat
[2024-05-23 04:35:37] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:37] [INFO ] Added : 2 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 446 ms.
[2024-05-23 04:35:38] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:35:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:35:38] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:35:38] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:38] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 436 ms.
[2024-05-23 04:35:39] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Real]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:35:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:35:39] [INFO ] [Nat]Added 106 Read/Feed constraints in 26 ms returned sat
[2024-05-23 04:35:40] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:40] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 439 ms.
[2024-05-23 04:35:40] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:40] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:35:40] [INFO ] [Real]Added 106 Read/Feed constraints in 54 ms returned sat
[2024-05-23 04:35:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:41] [INFO ] [Nat]Absence check using state equation in 169 ms returned sat
[2024-05-23 04:35:41] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:35:41] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:35:41] [INFO ] Added : 1 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 442 ms.
[2024-05-23 04:35:41] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:42] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:35:42] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:35:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:42] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:35:42] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:35:42] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:42] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 438 ms.
[2024-05-23 04:35:43] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Real]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:35:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:35:43] [INFO ] [Nat]Added 106 Read/Feed constraints in 64 ms returned sat
[2024-05-23 04:35:43] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:43] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 442 ms.
[2024-05-23 04:35:44] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:44] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:35:44] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:35:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:44] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2024-05-23 04:35:45] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:35:45] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 73 ms.
[2024-05-23 04:35:45] [INFO ] Added : 1 causal constraints over 1 iterations in 171 ms. Result :sat
Minimization took 446 ms.
[2024-05-23 04:35:45] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:45] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:35:45] [INFO ] [Real]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:35:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:46] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:35:46] [INFO ] [Nat]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:35:46] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:35:46] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 436 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[97, 106, 2, 6, 167, 115, 5, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
FORMULA FunctionPointer-PT-c008-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[97, 106, 6, 167, 115, 5, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 51 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:35:47] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 11) seen :[0, 0, 1, 2, 1, 0, 3, 0, 0, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[97, 106, 6, 167, 115, 5, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:35:47] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:35:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[97, 106, 6, 167, 115, 5, 122, 77, 9, 6, 5] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2472 ms. (404 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8211 ms. (1339 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[97, 106, 6, 167, 115, 100, 122, 77, 9, 6, 92] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:35:58] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:35:58] [INFO ] Invariant cache hit.
[2024-05-23 04:35:58] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2024-05-23 04:35:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:58] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:35:58] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:35:58] [INFO ] [Real]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:35:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:35:58] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:35:58] [INFO ] [Nat]Added 106 Read/Feed constraints in 52 ms returned sat
[2024-05-23 04:35:58] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:35:58] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:35:59] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:35:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:35:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:35:59] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:36:00] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:36:00] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 443 ms.
[2024-05-23 04:36:00] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:00] [INFO ] [Real]Absence check using state equation in 180 ms returned sat
[2024-05-23 04:36:00] [INFO ] [Real]Added 106 Read/Feed constraints in 51 ms returned sat
[2024-05-23 04:36:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:01] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2024-05-23 04:36:01] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:36:01] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:36:01] [INFO ] Added : 1 causal constraints over 1 iterations in 158 ms. Result :sat
Minimization took 450 ms.
[2024-05-23 04:36:01] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:02] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:36:02] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:36:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:02] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:36:02] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:36:02] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:36:02] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:36:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:36:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:36:03] [INFO ] [Nat]Added 106 Read/Feed constraints in 31 ms returned sat
[2024-05-23 04:36:03] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:36:03] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:36:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Real]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:36:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:36:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:36:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 76 ms.
[2024-05-23 04:36:05] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 447 ms.
[2024-05-23 04:36:05] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:05] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:36:05] [INFO ] [Real]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:36:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:06] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:36:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:36:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:36:06] [INFO ] Added : 1 causal constraints over 1 iterations in 169 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:36:06] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:07] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 04:36:07] [INFO ] [Real]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:36:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2024-05-23 04:36:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:07] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:36:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 38 ms returned sat
[2024-05-23 04:36:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:36:07] [INFO ] Added : 2 causal constraints over 1 iterations in 156 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:36:08] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Real]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:36:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:36:08] [INFO ] [Nat]Added 106 Read/Feed constraints in 65 ms returned sat
[2024-05-23 04:36:08] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:36:08] [INFO ] Added : 2 causal constraints over 1 iterations in 177 ms. Result :sat
Minimization took 447 ms.
[2024-05-23 04:36:09] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:36:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2024-05-23 04:36:09] [INFO ] [Nat]Added 106 Read/Feed constraints in 48 ms returned sat
[2024-05-23 04:36:10] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 71 ms.
[2024-05-23 04:36:10] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 451 ms.
[2024-05-23 04:36:10] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:10] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:36:10] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:36:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:36:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:36:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:36:11] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2024-05-23 04:36:11] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:36:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:36:11] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 440 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[97, 106, 6, 167, 115, 100, 122, 77, 9, 6, 92] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[97, 106, 6, 167, 115, 100, 122, 77, 9, 6, 92] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 51 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:36:12] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:36:12] [INFO ] Invariant cache hit.
[2024-05-23 04:36:12] [INFO ] Implicit Places using invariants in 322 ms returned []
[2024-05-23 04:36:12] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:36:12] [INFO ] Invariant cache hit.
[2024-05-23 04:36:12] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:36:13] [INFO ] Implicit Places using invariants and state equation in 1501 ms returned []
Implicit Place search using SMT with State Equation took 1826 ms to find 0 implicit places.
[2024-05-23 04:36:13] [INFO ] Redundant transitions in 26 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:36:13] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:36:13] [INFO ] Invariant cache hit.
[2024-05-23 04:36:13] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 34834ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 34845ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36756 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:36:48] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 11) seen :[0, 0, 0, 2, 1, 0, 4, 3, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[97, 106, 6, 167, 115, 100, 122, 77, 9, 6, 92] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:36:49] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:36:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[97, 106, 6, 167, 115, 100, 122, 77, 9, 6, 92] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2370 ms. (421 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 8197 ms. (1341 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[125, 106, 6, 168, 142, 100, 122, 77, 9, 6, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:36:59] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:36:59] [INFO ] Invariant cache hit.
[2024-05-23 04:36:59] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:36:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:36:59] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:36:59] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:36:59] [INFO ] [Real]Added 106 Read/Feed constraints in 49 ms returned sat
[2024-05-23 04:36:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:00] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:37:00] [INFO ] [Nat]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:37:00] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:37:00] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 449 ms.
[2024-05-23 04:37:00] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:01] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:37:01] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:37:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:01] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:37:01] [INFO ] [Nat]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:37:01] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:37:01] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 461 ms.
[2024-05-23 04:37:02] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:37:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Nat]Absence check using state equation in 180 ms returned sat
[2024-05-23 04:37:02] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:37:02] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:03] [INFO ] Added : 1 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 452 ms.
[2024-05-23 04:37:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:03] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:37:03] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:37:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:04] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:37:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:37:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:04] [INFO ] Added : 2 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 442 ms.
[2024-05-23 04:37:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:37:04] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:37:05] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:37:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:05] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:37:05] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:37:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:05] [INFO ] Added : 2 causal constraints over 1 iterations in 177 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:37:06] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Real]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 04:37:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:37:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 26 ms returned sat
[2024-05-23 04:37:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:37:06] [INFO ] Added : 2 causal constraints over 1 iterations in 173 ms. Result :sat
Minimization took 454 ms.
[2024-05-23 04:37:07] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Real]Added 106 Read/Feed constraints in 54 ms returned sat
[2024-05-23 04:37:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:37:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:37:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:37:08] [INFO ] Added : 1 causal constraints over 1 iterations in 174 ms. Result :sat
Minimization took 450 ms.
[2024-05-23 04:37:08] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:08] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:37:08] [INFO ] [Real]Added 106 Read/Feed constraints in 31 ms returned sat
[2024-05-23 04:37:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:37:09] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2024-05-23 04:37:09] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:37:09] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:09] [INFO ] Added : 2 causal constraints over 1 iterations in 176 ms. Result :sat
Minimization took 448 ms.
[2024-05-23 04:37:09] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:37:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:37:10] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:37:10] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:37:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:37:10] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:37:10] [INFO ] [Nat]Added 106 Read/Feed constraints in 65 ms returned sat
[2024-05-23 04:37:10] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:10] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 448 ms.
[2024-05-23 04:37:11] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:37:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Nat]Absence check using state equation in 180 ms returned sat
[2024-05-23 04:37:11] [INFO ] [Nat]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:37:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:37:11] [INFO ] Added : 1 causal constraints over 1 iterations in 157 ms. Result :sat
Minimization took 448 ms.
[2024-05-23 04:37:12] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:37:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:37:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:37:12] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:37:13] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:37:13] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 450 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[125, 106, 6, 168, 142, 100, 122, 77, 9, 6, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[125, 106, 6, 168, 142, 100, 122, 77, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 52 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:37:13] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:37:13] [INFO ] Invariant cache hit.
[2024-05-23 04:37:14] [INFO ] Implicit Places using invariants in 344 ms returned []
[2024-05-23 04:37:14] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:37:14] [INFO ] Invariant cache hit.
[2024-05-23 04:37:14] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:37:15] [INFO ] Implicit Places using invariants and state equation in 1534 ms returned []
Implicit Place search using SMT with State Equation took 1880 ms to find 0 implicit places.
[2024-05-23 04:37:15] [INFO ] Redundant transitions in 25 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:37:15] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:37:15] [INFO ] Invariant cache hit.
[2024-05-23 04:37:15] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 34457ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 34469ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36438 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:37:50] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 11) seen :[0, 0, 1, 2, 2, 0, 3, 0, 3, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[125, 106, 6, 168, 142, 100, 122, 77, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:37:50] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:37:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[125, 106, 6, 168, 142, 100, 122, 77, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2352 ms. (424 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8095 ms. (1358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:38:00] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:38:00] [INFO ] Invariant cache hit.
[2024-05-23 04:38:01] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:38:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:38:01] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2024-05-23 04:38:01] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:38:01] [INFO ] [Real]Added 106 Read/Feed constraints in 49 ms returned sat
[2024-05-23 04:38:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:01] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:38:01] [INFO ] [Nat]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:38:01] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 67 ms.
[2024-05-23 04:38:01] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 446 ms.
[2024-05-23 04:38:02] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Real]Added 106 Read/Feed constraints in 48 ms returned sat
[2024-05-23 04:38:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:38:02] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:38:02] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 67 ms.
[2024-05-23 04:38:03] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 447 ms.
[2024-05-23 04:38:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:38:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:03] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2024-05-23 04:38:03] [INFO ] [Real]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:38:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:04] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2024-05-23 04:38:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:38:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 80 ms.
[2024-05-23 04:38:04] [INFO ] Added : 1 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 451 ms.
[2024-05-23 04:38:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:05] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:38:05] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:38:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:05] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:38:05] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:38:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:38:05] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:38:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:38:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:38:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:38:06] [INFO ] Added : 2 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 440 ms.
[2024-05-23 04:38:07] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Real]Added 106 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:38:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:38:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 26 ms returned sat
[2024-05-23 04:38:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:38:08] [INFO ] Added : 2 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 448 ms.
[2024-05-23 04:38:08] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:08] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:38:08] [INFO ] [Real]Added 106 Read/Feed constraints in 56 ms returned sat
[2024-05-23 04:38:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:09] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:38:09] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:38:09] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:38:09] [INFO ] Added : 1 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 442 ms.
[2024-05-23 04:38:09] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:38:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:10] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:38:10] [INFO ] [Real]Added 106 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:38:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-23 04:38:10] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 04:38:10] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:38:10] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:38:10] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 439 ms.
[2024-05-23 04:38:11] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Real]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:38:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:38:11] [INFO ] [Nat]Added 106 Read/Feed constraints in 74 ms returned sat
[2024-05-23 04:38:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:38:11] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 438 ms.
[2024-05-23 04:38:12] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:38:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2024-05-23 04:38:12] [INFO ] [Nat]Added 106 Read/Feed constraints in 54 ms returned sat
[2024-05-23 04:38:12] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:38:13] [INFO ] Added : 1 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 447 ms.
[2024-05-23 04:38:13] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:38:13] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:38:13] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:38:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:38:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:38:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 04:38:14] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:38:14] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:38:14] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:38:14] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 441 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 51 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 51 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:38:14] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:38:14] [INFO ] Invariant cache hit.
[2024-05-23 04:38:15] [INFO ] Implicit Places using invariants in 360 ms returned []
[2024-05-23 04:38:15] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:38:15] [INFO ] Invariant cache hit.
[2024-05-23 04:38:15] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:38:16] [INFO ] Implicit Places using invariants and state equation in 1476 ms returned []
Implicit Place search using SMT with State Equation took 1838 ms to find 0 implicit places.
[2024-05-23 04:38:16] [INFO ] Redundant transitions in 23 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:38:16] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:38:16] [INFO ] Invariant cache hit.
[2024-05-23 04:38:16] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 34539ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 34551ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36475 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:38:51] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 11) seen :[0, 0, 0, 2, 1, 0, 2, 0, 0, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:38:51] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:38:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2372 ms. (421 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8141 ms. (1351 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:39:02] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:39:02] [INFO ] Invariant cache hit.
[2024-05-23 04:39:02] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:02] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:39:02] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:39:02] [INFO ] [Real]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:39:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:02] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:39:02] [INFO ] [Nat]Added 106 Read/Feed constraints in 51 ms returned sat
[2024-05-23 04:39:02] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 74 ms.
[2024-05-23 04:39:03] [INFO ] Added : 2 causal constraints over 1 iterations in 174 ms. Result :sat
Minimization took 446 ms.
[2024-05-23 04:39:03] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2024-05-23 04:39:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:03] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:39:03] [INFO ] [Real]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:39:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:04] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 04:39:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:39:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:39:04] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 447 ms.
[2024-05-23 04:39:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:05] [INFO ] [Real]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:39:05] [INFO ] [Real]Added 106 Read/Feed constraints in 43 ms returned sat
[2024-05-23 04:39:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:05] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2024-05-23 04:39:05] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:39:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:39:05] [INFO ] Added : 1 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 451 ms.
[2024-05-23 04:39:06] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:39:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Nat]Absence check using state equation in 162 ms returned sat
[2024-05-23 04:39:06] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:39:06] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:39:06] [INFO ] Added : 2 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 441 ms.
[2024-05-23 04:39:07] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:39:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:39:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:39:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:39:08] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 446 ms.
[2024-05-23 04:39:08] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:08] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:39:08] [INFO ] [Real]Added 106 Read/Feed constraints in 48 ms returned sat
[2024-05-23 04:39:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:09] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:39:09] [INFO ] [Nat]Added 106 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:39:09] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:39:09] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 442 ms.
[2024-05-23 04:39:09] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:09] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:39:10] [INFO ] [Real]Added 106 Read/Feed constraints in 56 ms returned sat
[2024-05-23 04:39:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:10] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:39:10] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:39:10] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:39:10] [INFO ] Added : 1 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 444 ms.
[2024-05-23 04:39:11] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Real]Added 106 Read/Feed constraints in 34 ms returned sat
[2024-05-23 04:39:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:39:11] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:39:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:39:11] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 443 ms.
[2024-05-23 04:39:12] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:39:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:39:12] [INFO ] [Nat]Added 106 Read/Feed constraints in 66 ms returned sat
[2024-05-23 04:39:12] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:39:13] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 456 ms.
[2024-05-23 04:39:13] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:13] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 04:39:13] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:39:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:39:14] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2024-05-23 04:39:14] [INFO ] [Nat]Added 106 Read/Feed constraints in 53 ms returned sat
[2024-05-23 04:39:14] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 80 ms.
[2024-05-23 04:39:14] [INFO ] Added : 1 causal constraints over 1 iterations in 173 ms. Result :sat
Minimization took 456 ms.
[2024-05-23 04:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:39:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:15] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2024-05-23 04:39:15] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:39:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:39:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:39:15] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2024-05-23 04:39:15] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:39:15] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:39:15] [INFO ] Added : 2 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 444 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[125, 106, 6, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:39:16] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:39:16] [INFO ] Invariant cache hit.
[2024-05-23 04:39:16] [INFO ] Implicit Places using invariants in 323 ms returned []
[2024-05-23 04:39:16] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:39:16] [INFO ] Invariant cache hit.
[2024-05-23 04:39:16] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:39:18] [INFO ] Implicit Places using invariants and state equation in 1517 ms returned []
Implicit Place search using SMT with State Equation took 1841 ms to find 0 implicit places.
[2024-05-23 04:39:18] [INFO ] Redundant transitions in 20 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:39:18] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:39:18] [INFO ] Invariant cache hit.
[2024-05-23 04:39:18] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 34683ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 34695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36616 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:39:52] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 11) seen :[0, 0, 0, 3, 3, 1, 5, 0, 0, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:39:53] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:39:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000005 steps (2 resets) in 2522 ms. (396 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 8233 ms. (1335 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2024-05-23 04:40:03] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:40:03] [INFO ] Invariant cache hit.
[2024-05-23 04:40:04] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:04] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-05-23 04:40:04] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:40:04] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:40:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:04] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:40:04] [INFO ] [Nat]Added 106 Read/Feed constraints in 49 ms returned sat
[2024-05-23 04:40:04] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:40:04] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 448 ms.
[2024-05-23 04:40:05] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Real]Added 106 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:40:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:40:05] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:40:05] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 79 ms.
[2024-05-23 04:40:06] [INFO ] Added : 2 causal constraints over 1 iterations in 183 ms. Result :sat
Minimization took 438 ms.
[2024-05-23 04:40:06] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:06] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2024-05-23 04:40:06] [INFO ] [Real]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:40:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:07] [INFO ] [Nat]Absence check using state equation in 182 ms returned sat
[2024-05-23 04:40:07] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:40:07] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 81 ms.
[2024-05-23 04:40:07] [INFO ] Added : 1 causal constraints over 1 iterations in 196 ms. Result :sat
Minimization took 443 ms.
[2024-05-23 04:40:07] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:08] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2024-05-23 04:40:08] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:40:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:08] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2024-05-23 04:40:08] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:40:08] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 80 ms.
[2024-05-23 04:40:08] [INFO ] Added : 2 causal constraints over 1 iterations in 184 ms. Result :sat
Minimization took 435 ms.
[2024-05-23 04:40:09] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Real]Added 106 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:40:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-05-23 04:40:09] [INFO ] [Nat]Added 106 Read/Feed constraints in 36 ms returned sat
[2024-05-23 04:40:09] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 67 ms.
[2024-05-23 04:40:09] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 432 ms.
[2024-05-23 04:40:10] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Real]Added 106 Read/Feed constraints in 51 ms returned sat
[2024-05-23 04:40:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 04:40:10] [INFO ] [Nat]Added 106 Read/Feed constraints in 25 ms returned sat
[2024-05-23 04:40:11] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 66 ms.
[2024-05-23 04:40:11] [INFO ] Added : 2 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 432 ms.
[2024-05-23 04:40:11] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:11] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:40:11] [INFO ] [Real]Added 106 Read/Feed constraints in 54 ms returned sat
[2024-05-23 04:40:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:12] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:40:12] [INFO ] [Nat]Added 106 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:40:12] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 67 ms.
[2024-05-23 04:40:12] [INFO ] Added : 1 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 437 ms.
[2024-05-23 04:40:12] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:13] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 04:40:13] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:40:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:13] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 04:40:13] [INFO ] [Nat]Added 106 Read/Feed constraints in 31 ms returned sat
[2024-05-23 04:40:13] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:40:13] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 434 ms.
[2024-05-23 04:40:14] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Real]Absence check using state equation in 175 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Real]Added 106 Read/Feed constraints in 38 ms returned sat
[2024-05-23 04:40:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2024-05-23 04:40:14] [INFO ] [Nat]Added 106 Read/Feed constraints in 69 ms returned sat
[2024-05-23 04:40:14] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:40:14] [INFO ] Added : 2 causal constraints over 1 iterations in 171 ms. Result :sat
Minimization took 561 ms.
[2024-05-23 04:40:15] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:15] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-23 04:40:15] [INFO ] [Real]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:40:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:40:16] [INFO ] [Nat]Absence check using state equation in 172 ms returned sat
[2024-05-23 04:40:16] [INFO ] [Nat]Added 106 Read/Feed constraints in 54 ms returned sat
[2024-05-23 04:40:16] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:40:16] [INFO ] Added : 1 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 450 ms.
[2024-05-23 04:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:16] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 04:40:17] [INFO ] [Real]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:40:17] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:40:17] [INFO ] [Nat]Added 106 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:40:17] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:40:17] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 436 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 51 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 52 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:40:18] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:40:18] [INFO ] Invariant cache hit.
[2024-05-23 04:40:18] [INFO ] Implicit Places using invariants in 329 ms returned []
[2024-05-23 04:40:18] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:40:18] [INFO ] Invariant cache hit.
[2024-05-23 04:40:18] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:40:19] [INFO ] Implicit Places using invariants and state equation in 1468 ms returned []
Implicit Place search using SMT with State Equation took 1798 ms to find 0 implicit places.
[2024-05-23 04:40:20] [INFO ] Redundant transitions in 25 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:40:20] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:40:20] [INFO ] Invariant cache hit.
[2024-05-23 04:40:20] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 35467ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 35482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37368 ms. Remains : 505/505 places, 1408/1408 transitions.
[2024-05-23 04:40:55] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
Found an invariant !
This invariant on transitions {209=1, 374=1, 711=1, 811=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 418=1, 627=1, 807=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 11) seen :[0, 0, 1, 3, 2, 0, 2, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 40000 steps (8 resets) in 1242 ms. (32 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 169612 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 13
Probabilistic random walk after 169612 steps, saw 104023 distinct states, run finished after 3005 ms. (steps per millisecond=56 ) properties seen :0
[2024-05-23 04:40:59] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:40:59] [INFO ] Invariant cache hit.
[2024-05-23 04:40:59] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 382/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 662/1055 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1055 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 122/1177 variables, 20/414 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1177 variables, 93/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1177 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 130/1307 variables, 75/582 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1307 variables, 1/583 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1307 variables, 13/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1307 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 20/1327 variables, 16/612 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1327 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 1/1328 variables, 1/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1328 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (OVERLAPS) 0/1328 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1328/1328 variables, and 613 constraints, problems are : Problem set: 0 solved, 13 unsolved in 1907 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 505/505 constraints, ReadFeed: 106/106 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 382/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 662/1055 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1055 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 122/1177 variables, 20/414 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1177 variables, 93/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1177 variables, 13/520 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1177 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 130/1307 variables, 75/595 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1307 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1307 variables, 13/609 constraints. Problems are: Problem set: 0 solved, 13 unsolved
[2024-05-23 04:41:02] [INFO ] Deduced a trap composed of 135 places in 159 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1307 variables, 1/610 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1307 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 20/1327 variables, 16/626 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1327 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (OVERLAPS) 1/1328 variables, 1/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1328 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 18 (OVERLAPS) 0/1328 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1328/1328 variables, and 627 constraints, problems are : Problem set: 0 solved, 13 unsolved in 2730 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 505/505 constraints, ReadFeed: 106/106 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints]
After SMT, in 4666ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 30001 ms.
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 505/505 places, 1408/1408 transitions.
RANDOM walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 189316 steps, run timeout after 3001 ms. (steps per millisecond=63 ) properties seen :0 out of 13
Probabilistic random walk after 189316 steps, saw 116102 distinct states, run finished after 3001 ms. (steps per millisecond=63 ) properties seen :0
[2024-05-23 04:41:37] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:41:37] [INFO ] Invariant cache hit.
[2024-05-23 04:41:37] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 382/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 662/1055 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1055 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 122/1177 variables, 20/414 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1177 variables, 93/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1177 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 130/1307 variables, 75/582 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1307 variables, 1/583 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1307 variables, 13/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1307 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 20/1327 variables, 16/612 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1327 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 1/1328 variables, 1/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1328 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (OVERLAPS) 0/1328 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1328/1328 variables, and 613 constraints, problems are : Problem set: 0 solved, 13 unsolved in 1997 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 505/505 constraints, ReadFeed: 106/106 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 382/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 662/1055 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1055 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 122/1177 variables, 20/414 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1177 variables, 93/507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1177 variables, 13/520 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1177 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 130/1307 variables, 75/595 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1307 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1307 variables, 13/609 constraints. Problems are: Problem set: 0 solved, 13 unsolved
[2024-05-23 04:41:40] [INFO ] Deduced a trap composed of 135 places in 157 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1307 variables, 1/610 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1307 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 20/1327 variables, 16/626 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1327 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (OVERLAPS) 1/1328 variables, 1/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1328 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 18 (OVERLAPS) 0/1328 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1328/1328 variables, and 627 constraints, problems are : Problem set: 0 solved, 13 unsolved in 2742 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 505/505 constraints, ReadFeed: 106/106 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints]
After SMT, in 4755ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 59921 ms.
Support contains 11 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 57 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 505/505 places, 1408/1408 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Applied a total of 0 rules in 53 ms. Remains 505 /505 variables (removed 0) and now considering 1408/1408 (removed 0) transitions.
[2024-05-23 04:42:42] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:42:42] [INFO ] Invariant cache hit.
[2024-05-23 04:42:42] [INFO ] Implicit Places using invariants in 360 ms returned []
[2024-05-23 04:42:42] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:42:42] [INFO ] Invariant cache hit.
[2024-05-23 04:42:42] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:42:44] [INFO ] Implicit Places using invariants and state equation in 1533 ms returned []
Implicit Place search using SMT with State Equation took 1895 ms to find 0 implicit places.
[2024-05-23 04:42:44] [INFO ] Redundant transitions in 24 ms returned []
Running 1406 sub problems to find dead transitions.
[2024-05-23 04:42:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:42:44] [INFO ] Invariant cache hit.
[2024-05-23 04:42:44] [INFO ] State equation strengthened by 106 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/505 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/505 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
At refinement iteration 3 (OVERLAPS) 823/1328 variables, 505/507 constraints. Problems are: Problem set: 0 solved, 1406 unsolved
SMT process timed out in 35001ms, After SMT, problems are : Problem set: 0 solved, 1406 unsolved
Search for dead transitions found 0 dead transitions in 35015ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37002 ms. Remains : 505/505 places, 1408/1408 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[125, 106, 7, 168, 146, 100, 122, 101, 9, 7, 254] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Starting property specific reduction for FunctionPointer-PT-c008-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]
[2024-05-23 04:43:19] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:43:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:43:19] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:43:19] [INFO ] Invariant cache hit.
[2024-05-23 04:43:19] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:43:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:43:19] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:43:19] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:43:19] [INFO ] [Real]Added 106 Read/Feed constraints in 31 ms returned sat
[2024-05-23 04:43:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:43:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:43:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:43:19] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:43:19] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:43:19] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 04:43:20] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 458 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 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1388
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1388
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1384
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1368
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1368
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1348
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1322
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1322
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1304
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1304
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1286
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1286
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 134 place count 436 transition count 1248
Iterating global reduction 2 with 9 rules applied. Total rules applied 143 place count 436 transition count 1248
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 151 place count 428 transition count 1232
Iterating global reduction 2 with 8 rules applied. Total rules applied 159 place count 428 transition count 1232
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 164 place count 423 transition count 1222
Iterating global reduction 2 with 5 rules applied. Total rules applied 169 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 172 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 173 place count 421 transition count 1218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 174 place count 420 transition count 1216
Iterating global reduction 2 with 1 rules applied. Total rules applied 175 place count 420 transition count 1216
Applied a total of 175 rules in 179 ms. Remains 420 /505 variables (removed 85) and now considering 1216/1408 (removed 192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 420/505 places, 1216/1408 transitions.
[2024-05-23 04:43:20] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:43:20] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2024-05-23 04:43:20] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2085 ms. (479 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 612 ms. (1631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:43:23] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:43:23] [INFO ] Invariant cache hit.
[2024-05-23 04:43:23] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:43:23] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 04:43:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:43:23] [INFO ] [Real]Added 75 Read/Feed constraints in 27 ms returned sat
[2024-05-23 04:43:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:43:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 04:43:24] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-23 04:43:24] [INFO ] [Nat]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 04:43:24] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 66 ms.
[2024-05-23 04:43:24] [INFO ] Added : 12 causal constraints over 4 iterations in 307 ms. Result :sat
Minimization took 258 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:[1] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 40 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 40 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2024-05-23 04:43:24] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:43:24] [INFO ] Invariant cache hit.
[2024-05-23 04:43:25] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-05-23 04:43:25] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:43:25] [INFO ] Invariant cache hit.
[2024-05-23 04:43:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:43:26] [INFO ] Implicit Places using invariants and state equation in 1179 ms returned []
Implicit Place search using SMT with State Equation took 1475 ms to find 0 implicit places.
[2024-05-23 04:43:26] [INFO ] Redundant transitions in 20 ms returned []
Running 1214 sub problems to find dead transitions.
[2024-05-23 04:43:26] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:43:26] [INFO ] Invariant cache hit.
[2024-05-23 04:43:26] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
[2024-05-23 04:43:39] [INFO ] Deduced a trap composed of 131 places in 135 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (OVERLAPS) 687/1107 variables, 420/424 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
SMT process timed out in 33836ms, After SMT, problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 33846ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35397 ms. Remains : 420/420 places, 1216/1216 transitions.
[2024-05-23 04:44:00] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:44:00] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:44:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2245 ms. (445 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 688 ms. (1451 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:44:03] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:44:03] [INFO ] Invariant cache hit.
[2024-05-23 04:44:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:44:03] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 04:44:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:44:03] [INFO ] [Real]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 04:44:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:44:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:44:03] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-23 04:44:03] [INFO ] [Nat]Added 75 Read/Feed constraints in 22 ms returned sat
[2024-05-23 04:44:04] [INFO ] Deduced a trap composed of 70 places in 189 ms of which 4 ms to minimize.
[2024-05-23 04:44:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
[2024-05-23 04:44:04] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 67 ms.
[2024-05-23 04:44:04] [INFO ] Added : 8 causal constraints over 3 iterations in 257 ms. Result :sat
Minimization took 247 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 45 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 45 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2024-05-23 04:44:04] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:44:04] [INFO ] Invariant cache hit.
[2024-05-23 04:44:05] [INFO ] Implicit Places using invariants in 308 ms returned []
[2024-05-23 04:44:05] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:44:05] [INFO ] Invariant cache hit.
[2024-05-23 04:44:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:44:06] [INFO ] Implicit Places using invariants and state equation in 1206 ms returned []
Implicit Place search using SMT with State Equation took 1523 ms to find 0 implicit places.
[2024-05-23 04:44:06] [INFO ] Redundant transitions in 15 ms returned []
Running 1214 sub problems to find dead transitions.
[2024-05-23 04:44:06] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 04:44:06] [INFO ] Invariant cache hit.
[2024-05-23 04:44:06] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
[2024-05-23 04:44:19] [INFO ] Deduced a trap composed of 131 places in 149 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 687/1107 variables, 420/424 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
SMT process timed out in 33967ms, After SMT, problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 33977ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35572 ms. Remains : 420/420 places, 1216/1216 transitions.
[2024-05-23 04:44:40] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 38507 steps (8 resets) in 31 ms. (1203 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-00 in 81419 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:44:40] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:44:40] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10006 steps (2 resets) in 27 ms. (357 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:44:40] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:44:40] [INFO ] Invariant cache hit.
[2024-05-23 04:44:40] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:44:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:44:40] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:44:40] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:44:40] [INFO ] [Real]Added 106 Read/Feed constraints in 39 ms returned sat
[2024-05-23 04:44:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:44:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:44:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:44:41] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 04:44:41] [INFO ] [Nat]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:44:41] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 69 ms.
[2024-05-23 04:44:41] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 437 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1382
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1366
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1366
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1348
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1322
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1322
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1304
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1304
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1286
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1286
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 133 place count 437 transition count 1250
Iterating global reduction 2 with 8 rules applied. Total rules applied 141 place count 437 transition count 1250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 430 transition count 1236
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 430 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 160 place count 425 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 165 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 166 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 167 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 168 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 169 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 422 transition count 1220
Applied a total of 171 rules in 165 ms. Remains 422 /505 variables (removed 83) and now considering 1220/1408 (removed 188) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 422/505 places, 1220/1408 transitions.
[2024-05-23 04:44:42] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:44:42] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2024-05-23 04:44:42] [INFO ] Computed 3 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 2041 ms. (489 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 623 ms. (1602 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:44:45] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:44:45] [INFO ] Invariant cache hit.
[2024-05-23 04:44:45] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:44:45] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2024-05-23 04:44:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:44:45] [INFO ] [Real]Added 75 Read/Feed constraints in 22 ms returned sat
[2024-05-23 04:44:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:44:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:44:45] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-23 04:44:45] [INFO ] [Nat]Added 75 Read/Feed constraints in 19 ms returned sat
[2024-05-23 04:44:45] [INFO ] Deduced a trap composed of 70 places in 175 ms of which 2 ms to minimize.
[2024-05-23 04:44:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 218 ms
[2024-05-23 04:44:45] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 58 ms.
[2024-05-23 04:44:46] [INFO ] Added : 13 causal constraints over 5 iterations in 281 ms. Result :sat
Minimization took 256 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 43 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 43 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:44:46] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:44:46] [INFO ] Invariant cache hit.
[2024-05-23 04:44:46] [INFO ] Implicit Places using invariants in 289 ms returned []
[2024-05-23 04:44:46] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:44:46] [INFO ] Invariant cache hit.
[2024-05-23 04:44:46] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:44:47] [INFO ] Implicit Places using invariants and state equation in 1186 ms returned []
Implicit Place search using SMT with State Equation took 1476 ms to find 0 implicit places.
[2024-05-23 04:44:47] [INFO ] Redundant transitions in 21 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:44:47] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:44:47] [INFO ] Invariant cache hit.
[2024-05-23 04:44:47] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:45:01] [INFO ] Deduced a trap composed of 131 places in 138 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34135ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34145ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35700 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:45:22] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 1/1 properties
BEST_FIRST walk for 38267 steps (8 resets) in 31 ms. (1195 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-01 in 41745 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2024-05-23 04:45:22] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:45:22] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[8]
[2024-05-23 04:45:22] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:45:22] [INFO ] Invariant cache hit.
[2024-05-23 04:45:22] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:45:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:45:22] [INFO ] [Real]Absence check using state equation in 178 ms returned sat
[2024-05-23 04:45:22] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:45:22] [INFO ] [Real]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:45:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:45:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:45:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:45:22] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2024-05-23 04:45:23] [INFO ] [Nat]Added 106 Read/Feed constraints in 72 ms returned sat
[2024-05-23 04:45:23] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 04:45:23] [INFO ] Added : 1 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 450 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 15 place count 494 transition count 1384
Iterating global reduction 1 with 8 rules applied. Total rules applied 23 place count 494 transition count 1384
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 27 place count 494 transition count 1380
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 35 place count 486 transition count 1362
Iterating global reduction 2 with 8 rules applied. Total rules applied 43 place count 486 transition count 1362
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 51 place count 478 transition count 1340
Iterating global reduction 2 with 8 rules applied. Total rules applied 59 place count 478 transition count 1340
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 69 place count 468 transition count 1312
Iterating global reduction 2 with 10 rules applied. Total rules applied 79 place count 468 transition count 1312
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 89 place count 458 transition count 1292
Iterating global reduction 2 with 10 rules applied. Total rules applied 99 place count 458 transition count 1292
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 109 place count 448 transition count 1272
Iterating global reduction 2 with 10 rules applied. Total rules applied 119 place count 448 transition count 1272
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 129 place count 438 transition count 1250
Iterating global reduction 2 with 10 rules applied. Total rules applied 139 place count 438 transition count 1250
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 148 place count 429 transition count 1232
Iterating global reduction 2 with 9 rules applied. Total rules applied 157 place count 429 transition count 1232
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 165 place count 421 transition count 1216
Iterating global reduction 2 with 8 rules applied. Total rules applied 173 place count 421 transition count 1216
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 178 place count 416 transition count 1206
Iterating global reduction 2 with 5 rules applied. Total rules applied 183 place count 416 transition count 1206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 184 place count 415 transition count 1204
Iterating global reduction 2 with 1 rules applied. Total rules applied 185 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 186 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 187 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 188 place count 413 transition count 1200
Iterating global reduction 2 with 1 rules applied. Total rules applied 189 place count 413 transition count 1200
Applied a total of 189 rules in 172 ms. Remains 413 /505 variables (removed 92) and now considering 1200/1408 (removed 208) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 413/505 places, 1200/1408 transitions.
[2024-05-23 04:45:23] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2024-05-23 04:45:23] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[8]
RANDOM walk for 1000005 steps (2 resets) in 2018 ms. (495 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[8]
[2024-05-23 04:45:26] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:45:26] [INFO ] Invariant cache hit.
[2024-05-23 04:45:26] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:45:26] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-23 04:45:26] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 04:45:26] [INFO ] [Real]Added 72 Read/Feed constraints in 45 ms returned sat
[2024-05-23 04:45:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:45:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:45:27] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2024-05-23 04:45:27] [INFO ] [Nat]Added 72 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:45:27] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 65 ms.
[2024-05-23 04:45:27] [INFO ] Added : 3 causal constraints over 1 iterations in 145 ms. Result :sat
Minimization took 287 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[8]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 39 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 40 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-23 04:45:27] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:45:27] [INFO ] Invariant cache hit.
[2024-05-23 04:45:28] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-05-23 04:45:28] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:45:28] [INFO ] Invariant cache hit.
[2024-05-23 04:45:28] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 04:45:29] [INFO ] Implicit Places using invariants and state equation in 1375 ms returned []
Implicit Place search using SMT with State Equation took 1673 ms to find 0 implicit places.
[2024-05-23 04:45:29] [INFO ] Redundant transitions in 15 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-23 04:45:29] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:45:29] [INFO ] Invariant cache hit.
[2024-05-23 04:45:29] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-23 04:45:42] [INFO ] Deduced a trap composed of 131 places in 132 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 34075ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 34085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35819 ms. Remains : 413/413 places, 1200/1200 transitions.
[2024-05-23 04:46:03] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 1962 ms. (509 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 600 ms. (1663 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[8]
[2024-05-23 04:46:06] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:06] [INFO ] Invariant cache hit.
[2024-05-23 04:46:06] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:06] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2024-05-23 04:46:06] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 04:46:06] [INFO ] [Real]Added 72 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:46:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:46:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:06] [INFO ] [Nat]Absence check using state equation in 133 ms returned sat
[2024-05-23 04:46:06] [INFO ] [Nat]Added 72 Read/Feed constraints in 37 ms returned sat
[2024-05-23 04:46:06] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 56 ms.
[2024-05-23 04:46:06] [INFO ] Added : 3 causal constraints over 1 iterations in 139 ms. Result :sat
Minimization took 245 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[8]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 39 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 39 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-23 04:46:07] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:07] [INFO ] Invariant cache hit.
[2024-05-23 04:46:07] [INFO ] Implicit Places using invariants in 283 ms returned []
[2024-05-23 04:46:07] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:07] [INFO ] Invariant cache hit.
[2024-05-23 04:46:07] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 04:46:08] [INFO ] Implicit Places using invariants and state equation in 1323 ms returned []
Implicit Place search using SMT with State Equation took 1608 ms to find 0 implicit places.
[2024-05-23 04:46:08] [INFO ] Redundant transitions in 19 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-23 04:46:08] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:08] [INFO ] Invariant cache hit.
[2024-05-23 04:46:08] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-23 04:46:21] [INFO ] Deduced a trap composed of 131 places in 144 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 33711ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 33721ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35392 ms. Remains : 413/413 places, 1200/1200 transitions.
[2024-05-23 04:46:42] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 04:46:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[8]
FORMULA FunctionPointer-PT-c008-UpperBounds-03 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000006 steps (2 resets) in 1949 ms. (512 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-03 in 82062 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:46:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:46:44] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 04:46:44] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:46:44] [INFO ] Invariant cache hit.
[2024-05-23 04:46:44] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:46:44] [INFO ] [Real]Absence check using state equation in 172 ms returned sat
[2024-05-23 04:46:44] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:46:44] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:46:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:46:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 04:46:45] [INFO ] [Nat]Absence check using state equation in 170 ms returned sat
[2024-05-23 04:46:45] [INFO ] [Nat]Added 106 Read/Feed constraints in 29 ms returned sat
[2024-05-23 04:46:45] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 72 ms.
[2024-05-23 04:46:45] [INFO ] Added : 2 causal constraints over 1 iterations in 175 ms. Result :sat
Minimization took 521 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 23 place count 495 transition count 1384
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 488 transition count 1368
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 488 transition count 1368
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 44 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 51 place count 481 transition count 1348
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 59 place count 473 transition count 1328
Iterating global reduction 2 with 8 rules applied. Total rules applied 67 place count 473 transition count 1328
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 75 place count 465 transition count 1312
Iterating global reduction 2 with 8 rules applied. Total rules applied 83 place count 465 transition count 1312
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 91 place count 457 transition count 1296
Iterating global reduction 2 with 8 rules applied. Total rules applied 99 place count 457 transition count 1296
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 108 place count 448 transition count 1274
Iterating global reduction 2 with 9 rules applied. Total rules applied 117 place count 448 transition count 1274
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 125 place count 440 transition count 1258
Iterating global reduction 2 with 8 rules applied. Total rules applied 133 place count 440 transition count 1258
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 140 place count 433 transition count 1244
Iterating global reduction 2 with 7 rules applied. Total rules applied 147 place count 433 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 151 place count 429 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 155 place count 429 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 157 place count 427 transition count 1232
Iterating global reduction 2 with 2 rules applied. Total rules applied 159 place count 427 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 161 place count 425 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 163 place count 425 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 165 place count 423 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 167 place count 423 transition count 1224
Applied a total of 167 rules in 186 ms. Remains 423 /505 variables (removed 82) and now considering 1224/1408 (removed 184) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 423/505 places, 1224/1408 transitions.
[2024-05-23 04:46:46] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 04:46:46] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2024-05-23 04:46:46] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2027 ms. (493 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 632 ms. (1579 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[183] Max Struct:[+inf]
[2024-05-23 04:46:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:46:48] [INFO ] Invariant cache hit.
[2024-05-23 04:46:49] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:49] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2024-05-23 04:46:49] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:46:49] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2024-05-23 04:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:46:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:46:49] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2024-05-23 04:46:49] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 04:46:49] [INFO ] Deduced a trap composed of 120 places in 185 ms of which 3 ms to minimize.
[2024-05-23 04:46:49] [INFO ] Deduced a trap composed of 120 places in 174 ms of which 3 ms to minimize.
[2024-05-23 04:46:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 427 ms
[2024-05-23 04:46:49] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 57 ms.
[2024-05-23 04:46:50] [INFO ] Added : 29 causal constraints over 7 iterations in 353 ms. Result :sat
Minimization took 301 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[183] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[183] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:46:51] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:46:51] [INFO ] Invariant cache hit.
[2024-05-23 04:46:51] [INFO ] Implicit Places using invariants in 286 ms returned []
[2024-05-23 04:46:51] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:46:51] [INFO ] Invariant cache hit.
[2024-05-23 04:46:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:46:53] [INFO ] Implicit Places using invariants and state equation in 1294 ms returned []
Implicit Place search using SMT with State Equation took 1586 ms to find 0 implicit places.
[2024-05-23 04:46:53] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:46:53] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:46:53] [INFO ] Invariant cache hit.
[2024-05-23 04:46:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:47:06] [INFO ] Deduced a trap composed of 131 places in 146 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34067ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34077ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35730 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 04:47:27] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[183] Max Struct:[+inf]
[2024-05-23 04:47:27] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:47:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[183] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2268 ms. (440 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 691 ms. (1445 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[189] Max Struct:[+inf]
[2024-05-23 04:47:30] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:47:30] [INFO ] Invariant cache hit.
[2024-05-23 04:47:30] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:47:30] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 04:47:30] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:47:30] [INFO ] [Real]Added 75 Read/Feed constraints in 35 ms returned sat
[2024-05-23 04:47:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:47:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:47:31] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 04:47:31] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 04:47:31] [INFO ] Deduced a trap composed of 120 places in 195 ms of which 2 ms to minimize.
[2024-05-23 04:47:31] [INFO ] Deduced a trap composed of 120 places in 183 ms of which 3 ms to minimize.
[2024-05-23 04:47:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 451 ms
[2024-05-23 04:47:31] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 69 ms.
[2024-05-23 04:47:31] [INFO ] Added : 29 causal constraints over 7 iterations in 366 ms. Result :sat
Minimization took 246 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[189] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[189] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 44 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 44 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:47:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:47:33] [INFO ] Invariant cache hit.
[2024-05-23 04:47:33] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-05-23 04:47:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:47:33] [INFO ] Invariant cache hit.
[2024-05-23 04:47:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:47:34] [INFO ] Implicit Places using invariants and state equation in 1329 ms returned []
Implicit Place search using SMT with State Equation took 1640 ms to find 0 implicit places.
[2024-05-23 04:47:34] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:47:35] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:47:35] [INFO ] Invariant cache hit.
[2024-05-23 04:47:35] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:47:48] [INFO ] Deduced a trap composed of 131 places in 146 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34364ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34378ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36095 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 04:48:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[189] Max Struct:[+inf]
[2024-05-23 04:48:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[189] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2029 ms. (492 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[189] Max Struct:[+inf]
[2024-05-23 04:48:12] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:12] [INFO ] Invariant cache hit.
[2024-05-23 04:48:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:48:12] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 04:48:12] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:48:12] [INFO ] [Real]Added 75 Read/Feed constraints in 38 ms returned sat
[2024-05-23 04:48:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:48:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:48:12] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2024-05-23 04:48:12] [INFO ] [Nat]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 04:48:13] [INFO ] Deduced a trap composed of 120 places in 194 ms of which 3 ms to minimize.
[2024-05-23 04:48:13] [INFO ] Deduced a trap composed of 120 places in 190 ms of which 3 ms to minimize.
[2024-05-23 04:48:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 443 ms
[2024-05-23 04:48:13] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 63 ms.
[2024-05-23 04:48:13] [INFO ] Added : 29 causal constraints over 7 iterations in 334 ms. Result :sat
Minimization took 255 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[189] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[189] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 45 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:48:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:15] [INFO ] Invariant cache hit.
[2024-05-23 04:48:15] [INFO ] Implicit Places using invariants in 294 ms returned []
[2024-05-23 04:48:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:15] [INFO ] Invariant cache hit.
[2024-05-23 04:48:15] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:48:16] [INFO ] Implicit Places using invariants and state equation in 1351 ms returned []
Implicit Place search using SMT with State Equation took 1647 ms to find 0 implicit places.
[2024-05-23 04:48:16] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:48:16] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:16] [INFO ] Invariant cache hit.
[2024-05-23 04:48:16] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:48:30] [INFO ] Deduced a trap composed of 131 places in 138 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34188ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34199ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35914 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 04:48:50] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[189] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 569670 steps, run timeout after 3001 ms. (steps per millisecond=189 ) properties seen :0 out of 1
Probabilistic random walk after 569670 steps, saw 349312 distinct states, run finished after 3001 ms. (steps per millisecond=189 ) properties seen :0
[2024-05-23 04:48:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:54] [INFO ] Invariant cache hit.
[2024-05-23 04:48:54] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 354 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 677ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1106 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40003 steps (8 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 574222 steps, run timeout after 3001 ms. (steps per millisecond=191 ) properties seen :0 out of 1
Probabilistic random walk after 574222 steps, saw 352103 distinct states, run finished after 3002 ms. (steps per millisecond=191 ) properties seen :0
[2024-05-23 04:48:59] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:48:59] [INFO ] Invariant cache hit.
[2024-05-23 04:48:59] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 358 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 661ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1072 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 46 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 41 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:49:00] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:00] [INFO ] Invariant cache hit.
[2024-05-23 04:49:01] [INFO ] Implicit Places using invariants in 303 ms returned []
[2024-05-23 04:49:01] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:01] [INFO ] Invariant cache hit.
[2024-05-23 04:49:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:49:02] [INFO ] Implicit Places using invariants and state equation in 1314 ms returned []
Implicit Place search using SMT with State Equation took 1619 ms to find 0 implicit places.
[2024-05-23 04:49:02] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:49:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:02] [INFO ] Invariant cache hit.
[2024-05-23 04:49:02] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:49:16] [INFO ] Deduced a trap composed of 131 places in 141 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34344ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36044 ms. Remains : 423/423 places, 1224/1224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 543 rules applied. Total rules applied 543 place count 423 transition count 681
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 553 place count 413 transition count 681
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 553 place count 413 transition count 608
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 699 place count 340 transition count 608
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 0 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 955 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1019 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1083 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1084 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1147 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1210 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1273 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1336 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1399 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1399 place count 22 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 21 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1403 place count 20 transition count 34
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 4 with 2 rules applied. Total rules applied 1405 place count 19 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1408 place count 19 transition count 31
Applied a total of 1408 rules in 73 ms. Remains 19 /423 variables (removed 404) and now considering 31/1224 (removed 1193) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2024-05-23 04:49:37] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 04:49:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 04:49:37] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 04:49:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 04:49:37] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:49:37] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:49:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 04:49:37] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 04:49:37] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 04:49:37] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 04:49:37] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 154 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[189] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-04 in 172683 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:49:37] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:49:37] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 04:49:37] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:49:37] [INFO ] Invariant cache hit.
[2024-05-23 04:49:37] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:49:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:49:37] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:49:37] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:49:37] [INFO ] [Real]Added 106 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:49:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:49:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:49:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:49:37] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2024-05-23 04:49:37] [INFO ] [Nat]Added 106 Read/Feed constraints in 31 ms returned sat
[2024-05-23 04:49:37] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 04:49:37] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 446 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 23 place count 495 transition count 1384
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 488 transition count 1368
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 488 transition count 1368
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 44 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 51 place count 481 transition count 1348
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 59 place count 473 transition count 1328
Iterating global reduction 2 with 8 rules applied. Total rules applied 67 place count 473 transition count 1328
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 75 place count 465 transition count 1312
Iterating global reduction 2 with 8 rules applied. Total rules applied 83 place count 465 transition count 1312
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 91 place count 457 transition count 1296
Iterating global reduction 2 with 8 rules applied. Total rules applied 99 place count 457 transition count 1296
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 108 place count 448 transition count 1274
Iterating global reduction 2 with 9 rules applied. Total rules applied 117 place count 448 transition count 1274
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 125 place count 440 transition count 1258
Iterating global reduction 2 with 8 rules applied. Total rules applied 133 place count 440 transition count 1258
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 140 place count 433 transition count 1244
Iterating global reduction 2 with 7 rules applied. Total rules applied 147 place count 433 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 151 place count 429 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 155 place count 429 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 157 place count 427 transition count 1232
Iterating global reduction 2 with 2 rules applied. Total rules applied 159 place count 427 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 161 place count 425 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 163 place count 425 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 165 place count 423 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 167 place count 423 transition count 1224
Applied a total of 167 rules in 276 ms. Remains 423 /505 variables (removed 82) and now considering 1224/1408 (removed 184) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 277 ms. Remains : 423/505 places, 1224/1408 transitions.
[2024-05-23 04:49:38] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 04:49:38] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2024-05-23 04:49:38] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2017 ms. (495 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 668 ms. (1494 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[208] Max Struct:[+inf]
[2024-05-23 04:49:41] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:41] [INFO ] Invariant cache hit.
[2024-05-23 04:49:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:49:41] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2024-05-23 04:49:41] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:49:41] [INFO ] [Real]Added 75 Read/Feed constraints in 39 ms returned sat
[2024-05-23 04:49:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:49:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:49:42] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2024-05-23 04:49:42] [INFO ] [Nat]Added 75 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:49:42] [INFO ] Deduced a trap composed of 113 places in 183 ms of which 3 ms to minimize.
[2024-05-23 04:49:42] [INFO ] Deduced a trap composed of 90 places in 177 ms of which 3 ms to minimize.
[2024-05-23 04:49:42] [INFO ] Deduced a trap composed of 78 places in 175 ms of which 3 ms to minimize.
[2024-05-23 04:49:42] [INFO ] Deduced a trap composed of 73 places in 174 ms of which 2 ms to minimize.
[2024-05-23 04:49:43] [INFO ] Deduced a trap composed of 71 places in 171 ms of which 3 ms to minimize.
[2024-05-23 04:49:43] [INFO ] Deduced a trap composed of 70 places in 175 ms of which 2 ms to minimize.
[2024-05-23 04:49:43] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1195 ms
[2024-05-23 04:49:43] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 57 ms.
[2024-05-23 04:49:43] [INFO ] Added : 29 causal constraints over 7 iterations in 329 ms. Result :sat
Minimization took 250 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[208] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[208] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 40 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:49:45] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:45] [INFO ] Invariant cache hit.
[2024-05-23 04:49:45] [INFO ] Implicit Places using invariants in 312 ms returned []
[2024-05-23 04:49:45] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:45] [INFO ] Invariant cache hit.
[2024-05-23 04:49:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:49:46] [INFO ] Implicit Places using invariants and state equation in 1311 ms returned []
Implicit Place search using SMT with State Equation took 1632 ms to find 0 implicit places.
[2024-05-23 04:49:46] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:49:46] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:49:46] [INFO ] Invariant cache hit.
[2024-05-23 04:49:46] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:50:00] [INFO ] Deduced a trap composed of 131 places in 138 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34155ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34165ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35862 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 04:50:21] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[208] Max Struct:[+inf]
[2024-05-23 04:50:21] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:50:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[208] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2102 ms. (475 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 709 ms. (1408 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[208] Max Struct:[+inf]
[2024-05-23 04:50:24] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:50:24] [INFO ] Invariant cache hit.
[2024-05-23 04:50:24] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:50:24] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-23 04:50:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:50:24] [INFO ] [Real]Added 75 Read/Feed constraints in 29 ms returned sat
[2024-05-23 04:50:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:50:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:50:24] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2024-05-23 04:50:24] [INFO ] [Nat]Added 75 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:50:24] [INFO ] Deduced a trap composed of 113 places in 187 ms of which 3 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Deduced a trap composed of 90 places in 191 ms of which 3 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Deduced a trap composed of 78 places in 175 ms of which 2 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Deduced a trap composed of 73 places in 171 ms of which 3 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Deduced a trap composed of 71 places in 168 ms of which 3 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Deduced a trap composed of 70 places in 164 ms of which 3 ms to minimize.
[2024-05-23 04:50:25] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1208 ms
[2024-05-23 04:50:25] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 58 ms.
[2024-05-23 04:50:26] [INFO ] Added : 29 causal constraints over 7 iterations in 351 ms. Result :sat
Minimization took 263 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[208] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[208] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 41 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 42 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:50:27] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:50:27] [INFO ] Invariant cache hit.
[2024-05-23 04:50:27] [INFO ] Implicit Places using invariants in 297 ms returned []
[2024-05-23 04:50:27] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:50:27] [INFO ] Invariant cache hit.
[2024-05-23 04:50:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:50:29] [INFO ] Implicit Places using invariants and state equation in 1284 ms returned []
Implicit Place search using SMT with State Equation took 1595 ms to find 0 implicit places.
[2024-05-23 04:50:29] [INFO ] Redundant transitions in 16 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:50:29] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:50:29] [INFO ] Invariant cache hit.
[2024-05-23 04:50:29] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:50:42] [INFO ] Deduced a trap composed of 131 places in 147 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 33854ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 33865ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35525 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 04:51:03] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[208] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 576776 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 576776 steps, saw 353671 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-23 04:51:06] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:51:06] [INFO ] Invariant cache hit.
[2024-05-23 04:51:06] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 310 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 681ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1137 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 42 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40005 steps (8 resets) in 108 ms. (367 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 577034 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 577034 steps, saw 353828 distinct states, run finished after 3002 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-23 04:51:11] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:51:11] [INFO ] Invariant cache hit.
[2024-05-23 04:51:11] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 312 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 360 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 680ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1141 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 42 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 45 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 04:51:13] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:51:13] [INFO ] Invariant cache hit.
[2024-05-23 04:51:13] [INFO ] Implicit Places using invariants in 288 ms returned []
[2024-05-23 04:51:13] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:51:13] [INFO ] Invariant cache hit.
[2024-05-23 04:51:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:51:14] [INFO ] Implicit Places using invariants and state equation in 1269 ms returned []
Implicit Place search using SMT with State Equation took 1557 ms to find 0 implicit places.
[2024-05-23 04:51:14] [INFO ] Redundant transitions in 17 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 04:51:14] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 04:51:14] [INFO ] Invariant cache hit.
[2024-05-23 04:51:14] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 04:51:28] [INFO ] Deduced a trap composed of 131 places in 141 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34235ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34245ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35876 ms. Remains : 423/423 places, 1224/1224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 543 rules applied. Total rules applied 543 place count 423 transition count 681
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 553 place count 413 transition count 681
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 553 place count 413 transition count 608
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 699 place count 340 transition count 608
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 0 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 955 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1019 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1083 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1084 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1147 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1210 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1273 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1336 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1399 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1399 place count 22 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 21 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1403 place count 20 transition count 34
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 4 with 2 rules applied. Total rules applied 1405 place count 19 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1408 place count 19 transition count 31
Applied a total of 1408 rules in 29 ms. Remains 19 /423 variables (removed 404) and now considering 31/1224 (removed 1193) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2024-05-23 04:51:49] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 04:51:49] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 04:51:49] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 04:51:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 04:51:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:51:49] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:51:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 04:51:49] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 04:51:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 04:51:49] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 04:51:49] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 107 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[208] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-05 in 132106 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:51:49] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:51:49] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[+inf]
[2024-05-23 04:51:49] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:51:49] [INFO ] Invariant cache hit.
[2024-05-23 04:51:49] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:51:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:51:49] [INFO ] [Real]Absence check using state equation in 176 ms returned sat
[2024-05-23 04:51:49] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:51:49] [INFO ] [Real]Added 106 Read/Feed constraints in 41 ms returned sat
[2024-05-23 04:51:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:51:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:51:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:51:49] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-05-23 04:51:49] [INFO ] [Nat]Added 106 Read/Feed constraints in 28 ms returned sat
[2024-05-23 04:51:49] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 73 ms.
[2024-05-23 04:51:50] [INFO ] Added : 2 causal constraints over 1 iterations in 173 ms. Result :sat
Minimization took 458 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1382
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1366
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1366
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1348
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1322
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1322
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1304
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1304
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1286
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1286
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 133 place count 437 transition count 1250
Iterating global reduction 2 with 8 rules applied. Total rules applied 141 place count 437 transition count 1250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 430 transition count 1236
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 430 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 160 place count 425 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 165 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 166 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 167 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 168 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 169 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 422 transition count 1220
Applied a total of 171 rules in 160 ms. Remains 422 /505 variables (removed 83) and now considering 1220/1408 (removed 188) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 422/505 places, 1220/1408 transitions.
[2024-05-23 04:51:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[10] Max Struct:[+inf]
[2024-05-23 04:51:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2024-05-23 04:51:50] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2081 ms. (480 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 626 ms. (1594 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 04:51:53] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:51:53] [INFO ] Invariant cache hit.
[2024-05-23 04:51:53] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:51:53] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2024-05-23 04:51:53] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:51:53] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:51:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:51:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:51:54] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-23 04:51:54] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 04:51:54] [INFO ] Deduced a trap composed of 113 places in 195 ms of which 3 ms to minimize.
[2024-05-23 04:51:54] [INFO ] Deduced a trap composed of 109 places in 182 ms of which 3 ms to minimize.
[2024-05-23 04:51:54] [INFO ] Deduced a trap composed of 87 places in 183 ms of which 3 ms to minimize.
[2024-05-23 04:51:55] [INFO ] Deduced a trap composed of 85 places in 181 ms of which 3 ms to minimize.
[2024-05-23 04:51:55] [INFO ] Deduced a trap composed of 76 places in 181 ms of which 2 ms to minimize.
[2024-05-23 04:51:55] [INFO ] Deduced a trap composed of 73 places in 183 ms of which 3 ms to minimize.
[2024-05-23 04:51:55] [INFO ] Deduced a trap composed of 71 places in 174 ms of which 3 ms to minimize.
[2024-05-23 04:51:55] [INFO ] Deduced a trap composed of 70 places in 180 ms of which 3 ms to minimize.
[2024-05-23 04:51:56] [INFO ] Deduced a trap composed of 71 places in 188 ms of which 3 ms to minimize.
[2024-05-23 04:51:56] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1877 ms
[2024-05-23 04:51:56] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 58 ms.
[2024-05-23 04:51:56] [INFO ] Added : 12 causal constraints over 4 iterations in 279 ms. Result :sat
Minimization took 256 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 41 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 41 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:51:56] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:51:56] [INFO ] Invariant cache hit.
[2024-05-23 04:51:57] [INFO ] Implicit Places using invariants in 290 ms returned []
[2024-05-23 04:51:57] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:51:57] [INFO ] Invariant cache hit.
[2024-05-23 04:51:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:51:58] [INFO ] Implicit Places using invariants and state equation in 1243 ms returned []
Implicit Place search using SMT with State Equation took 1535 ms to find 0 implicit places.
[2024-05-23 04:51:58] [INFO ] Redundant transitions in 18 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:51:58] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:51:58] [INFO ] Invariant cache hit.
[2024-05-23 04:51:58] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:52:11] [INFO ] Deduced a trap composed of 131 places in 141 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 33782ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 33792ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35392 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:52:32] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 04:52:32] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:52:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000007 steps (2 resets) in 2101 ms. (475 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 624 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 04:52:35] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:52:35] [INFO ] Invariant cache hit.
[2024-05-23 04:52:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:52:35] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 04:52:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:52:35] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:52:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:52:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:52:35] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-23 04:52:35] [INFO ] [Nat]Added 75 Read/Feed constraints in 26 ms returned sat
[2024-05-23 04:52:35] [INFO ] Deduced a trap composed of 113 places in 193 ms of which 3 ms to minimize.
[2024-05-23 04:52:36] [INFO ] Deduced a trap composed of 109 places in 182 ms of which 4 ms to minimize.
[2024-05-23 04:52:36] [INFO ] Deduced a trap composed of 87 places in 189 ms of which 3 ms to minimize.
[2024-05-23 04:52:36] [INFO ] Deduced a trap composed of 85 places in 182 ms of which 3 ms to minimize.
[2024-05-23 04:52:36] [INFO ] Deduced a trap composed of 76 places in 190 ms of which 3 ms to minimize.
[2024-05-23 04:52:36] [INFO ] Deduced a trap composed of 73 places in 182 ms of which 3 ms to minimize.
[2024-05-23 04:52:37] [INFO ] Deduced a trap composed of 71 places in 178 ms of which 3 ms to minimize.
[2024-05-23 04:52:37] [INFO ] Deduced a trap composed of 70 places in 181 ms of which 2 ms to minimize.
[2024-05-23 04:52:37] [INFO ] Deduced a trap composed of 71 places in 191 ms of which 3 ms to minimize.
[2024-05-23 04:52:37] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1906 ms
[2024-05-23 04:52:37] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 63 ms.
[2024-05-23 04:52:37] [INFO ] Added : 12 causal constraints over 4 iterations in 297 ms. Result :sat
Minimization took 309 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 41 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:52:38] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:52:38] [INFO ] Invariant cache hit.
[2024-05-23 04:52:38] [INFO ] Implicit Places using invariants in 293 ms returned []
[2024-05-23 04:52:38] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:52:38] [INFO ] Invariant cache hit.
[2024-05-23 04:52:38] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:52:39] [INFO ] Implicit Places using invariants and state equation in 1250 ms returned []
Implicit Place search using SMT with State Equation took 1543 ms to find 0 implicit places.
[2024-05-23 04:52:39] [INFO ] Redundant transitions in 19 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:52:39] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:52:39] [INFO ] Invariant cache hit.
[2024-05-23 04:52:39] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:52:52] [INFO ] Deduced a trap composed of 131 places in 150 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 33412ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 33422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35031 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:53:13] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 587658 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :0 out of 1
Probabilistic random walk after 587658 steps, saw 360341 distinct states, run finished after 3001 ms. (steps per millisecond=195 ) properties seen :0
[2024-05-23 04:53:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:53:16] [INFO ] Invariant cache hit.
[2024-05-23 04:53:16] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 598ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 73 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 572553 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 1
Probabilistic random walk after 572553 steps, saw 351081 distinct states, run finished after 3002 ms. (steps per millisecond=190 ) properties seen :0
[2024-05-23 04:53:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:53:20] [INFO ] Invariant cache hit.
[2024-05-23 04:53:20] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 627ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 70 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 39 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 50 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:53:21] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:53:21] [INFO ] Invariant cache hit.
[2024-05-23 04:53:21] [INFO ] Implicit Places using invariants in 276 ms returned []
[2024-05-23 04:53:21] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:53:21] [INFO ] Invariant cache hit.
[2024-05-23 04:53:21] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:53:22] [INFO ] Implicit Places using invariants and state equation in 1270 ms returned []
Implicit Place search using SMT with State Equation took 1548 ms to find 0 implicit places.
[2024-05-23 04:53:22] [INFO ] Redundant transitions in 20 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:53:22] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:53:22] [INFO ] Invariant cache hit.
[2024-05-23 04:53:22] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:53:36] [INFO ] Deduced a trap composed of 131 places in 141 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34231ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34242ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35867 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
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 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 20 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2024-05-23 04:53:57] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 04:53:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 04:53:57] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 04:53:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 04:53:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:53:57] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:53:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 04:53:57] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 04:53:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 04:53:57] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 04:53:57] [INFO ] After 42ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 124 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[13] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-06 in 127885 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:53:57] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:53:57] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 04:53:57] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:53:57] [INFO ] Invariant cache hit.
[2024-05-23 04:53:57] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:53:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:53:57] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 04:53:57] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:53:57] [INFO ] [Real]Added 106 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:53:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:53:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 04:53:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 04:53:57] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2024-05-23 04:53:57] [INFO ] [Nat]Added 106 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:53:57] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:53:57] [INFO ] Added : 1 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 448 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1382
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1366
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1366
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1346
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1346
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1320
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1320
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1302
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1302
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1284
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1284
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 133 place count 437 transition count 1250
Iterating global reduction 2 with 8 rules applied. Total rules applied 141 place count 437 transition count 1250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 430 transition count 1236
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 159 place count 426 transition count 1228
Iterating global reduction 2 with 4 rules applied. Total rules applied 163 place count 426 transition count 1228
Applied a total of 163 rules in 135 ms. Remains 426 /505 variables (removed 79) and now considering 1228/1408 (removed 180) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 426/505 places, 1228/1408 transitions.
[2024-05-23 04:53:58] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
Found an invariant !
This invariant on transitions {239=1, 335=1, 534=1, 689=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 348=1, 547=1, 690=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 04:53:58] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
// Phase 1: matrix 694 rows 426 cols
[2024-05-23 04:53:58] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2003 ms. (499 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 624 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[162] Max Struct:[+inf]
[2024-05-23 04:54:01] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:01] [INFO ] Invariant cache hit.
[2024-05-23 04:54:01] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:54:01] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2024-05-23 04:54:01] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:54:01] [INFO ] [Real]Added 76 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:54:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:54:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:54:01] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2024-05-23 04:54:01] [INFO ] [Nat]Added 76 Read/Feed constraints in 29 ms returned sat
[2024-05-23 04:54:02] [INFO ] Deduced a trap composed of 113 places in 187 ms of which 3 ms to minimize.
[2024-05-23 04:54:02] [INFO ] Deduced a trap composed of 90 places in 198 ms of which 3 ms to minimize.
[2024-05-23 04:54:02] [INFO ] Deduced a trap composed of 88 places in 193 ms of which 3 ms to minimize.
[2024-05-23 04:54:02] [INFO ] Deduced a trap composed of 78 places in 176 ms of which 3 ms to minimize.
[2024-05-23 04:54:02] [INFO ] Deduced a trap composed of 70 places in 195 ms of which 2 ms to minimize.
[2024-05-23 04:54:03] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1074 ms
[2024-05-23 04:54:03] [INFO ] Computed and/alt/rep : 340/1258/333 causal constraints (skipped 359 transitions) in 58 ms.
[2024-05-23 04:54:03] [INFO ] Added : 33 causal constraints over 7 iterations in 352 ms. Result :sat
Minimization took 257 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[162] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[162] Max Struct:[+inf]
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 41 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 426/426 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 39 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2024-05-23 04:54:04] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:04] [INFO ] Invariant cache hit.
[2024-05-23 04:54:04] [INFO ] Implicit Places using invariants in 293 ms returned []
[2024-05-23 04:54:04] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:04] [INFO ] Invariant cache hit.
[2024-05-23 04:54:05] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:54:06] [INFO ] Implicit Places using invariants and state equation in 1192 ms returned []
Implicit Place search using SMT with State Equation took 1485 ms to find 0 implicit places.
[2024-05-23 04:54:06] [INFO ] Redundant transitions in 18 ms returned []
Running 1226 sub problems to find dead transitions.
[2024-05-23 04:54:06] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:06] [INFO ] Invariant cache hit.
[2024-05-23 04:54:06] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/426 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
[2024-05-23 04:54:20] [INFO ] Deduced a trap composed of 131 places in 141 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/426 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 694/1120 variables, 426/430 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
SMT process timed out in 34140ms, After SMT, problems are : Problem set: 0 solved, 1226 unsolved
Search for dead transitions found 0 dead transitions in 34150ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35699 ms. Remains : 426/426 places, 1228/1228 transitions.
[2024-05-23 04:54:40] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
Found an invariant !
This invariant on transitions {239=1, 335=1, 534=1, 689=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 348=1, 547=1, 690=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[162] Max Struct:[+inf]
[2024-05-23 04:54:40] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[162] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2013 ms. (496 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 632 ms. (1579 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[181] Max Struct:[+inf]
[2024-05-23 04:54:43] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:43] [INFO ] Invariant cache hit.
[2024-05-23 04:54:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:54:43] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2024-05-23 04:54:43] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:54:43] [INFO ] [Real]Added 76 Read/Feed constraints in 46 ms returned sat
[2024-05-23 04:54:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:54:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:54:43] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 04:54:43] [INFO ] [Nat]Added 76 Read/Feed constraints in 30 ms returned sat
[2024-05-23 04:54:43] [INFO ] Deduced a trap composed of 113 places in 190 ms of which 3 ms to minimize.
[2024-05-23 04:54:44] [INFO ] Deduced a trap composed of 90 places in 174 ms of which 2 ms to minimize.
[2024-05-23 04:54:44] [INFO ] Deduced a trap composed of 88 places in 175 ms of which 3 ms to minimize.
[2024-05-23 04:54:44] [INFO ] Deduced a trap composed of 78 places in 180 ms of which 3 ms to minimize.
[2024-05-23 04:54:44] [INFO ] Deduced a trap composed of 70 places in 186 ms of which 2 ms to minimize.
[2024-05-23 04:54:44] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1035 ms
[2024-05-23 04:54:44] [INFO ] Computed and/alt/rep : 340/1258/333 causal constraints (skipped 359 transitions) in 61 ms.
[2024-05-23 04:54:45] [INFO ] Added : 33 causal constraints over 7 iterations in 359 ms. Result :sat
Minimization took 310 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[181] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[181] Max Struct:[+inf]
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 41 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 426/426 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 41 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2024-05-23 04:54:46] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:46] [INFO ] Invariant cache hit.
[2024-05-23 04:54:46] [INFO ] Implicit Places using invariants in 300 ms returned []
[2024-05-23 04:54:46] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:46] [INFO ] Invariant cache hit.
[2024-05-23 04:54:47] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:54:48] [INFO ] Implicit Places using invariants and state equation in 1237 ms returned []
Implicit Place search using SMT with State Equation took 1541 ms to find 0 implicit places.
[2024-05-23 04:54:48] [INFO ] Redundant transitions in 17 ms returned []
Running 1226 sub problems to find dead transitions.
[2024-05-23 04:54:48] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:54:48] [INFO ] Invariant cache hit.
[2024-05-23 04:54:48] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/426 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
[2024-05-23 04:55:01] [INFO ] Deduced a trap composed of 131 places in 149 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/426 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 3 (OVERLAPS) 694/1120 variables, 426/430 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
SMT process timed out in 33912ms, After SMT, problems are : Problem set: 0 solved, 1226 unsolved
Search for dead transitions found 0 dead transitions in 33926ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35537 ms. Remains : 426/426 places, 1228/1228 transitions.
[2024-05-23 04:55:22] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
Found an invariant !
This invariant on transitions {239=1, 335=1, 534=1, 689=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 348=1, 547=1, 690=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[181] Max Struct:[+inf]
[2024-05-23 04:55:22] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:55:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[181] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 2272 ms. (439 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 694 ms. (1438 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200] Max Struct:[+inf]
[2024-05-23 04:55:25] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:55:25] [INFO ] Invariant cache hit.
[2024-05-23 04:55:25] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:55:25] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 04:55:25] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:55:25] [INFO ] [Real]Added 76 Read/Feed constraints in 47 ms returned sat
[2024-05-23 04:55:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:55:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:55:25] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2024-05-23 04:55:25] [INFO ] [Nat]Added 76 Read/Feed constraints in 29 ms returned sat
[2024-05-23 04:55:26] [INFO ] Deduced a trap composed of 113 places in 189 ms of which 2 ms to minimize.
[2024-05-23 04:55:26] [INFO ] Deduced a trap composed of 90 places in 203 ms of which 2 ms to minimize.
[2024-05-23 04:55:26] [INFO ] Deduced a trap composed of 88 places in 179 ms of which 3 ms to minimize.
[2024-05-23 04:55:26] [INFO ] Deduced a trap composed of 78 places in 177 ms of which 2 ms to minimize.
[2024-05-23 04:55:26] [INFO ] Deduced a trap composed of 70 places in 180 ms of which 2 ms to minimize.
[2024-05-23 04:55:26] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1061 ms
[2024-05-23 04:55:27] [INFO ] Computed and/alt/rep : 340/1258/333 causal constraints (skipped 359 transitions) in 60 ms.
[2024-05-23 04:55:27] [INFO ] Added : 33 causal constraints over 7 iterations in 357 ms. Result :sat
Minimization took 314 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200] Max Struct:[+inf]
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 39 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 426/426 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 51 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2024-05-23 04:55:29] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:55:29] [INFO ] Invariant cache hit.
[2024-05-23 04:55:29] [INFO ] Implicit Places using invariants in 293 ms returned []
[2024-05-23 04:55:29] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:55:29] [INFO ] Invariant cache hit.
[2024-05-23 04:55:29] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:55:30] [INFO ] Implicit Places using invariants and state equation in 1230 ms returned []
Implicit Place search using SMT with State Equation took 1524 ms to find 0 implicit places.
[2024-05-23 04:55:30] [INFO ] Redundant transitions in 19 ms returned []
Running 1226 sub problems to find dead transitions.
[2024-05-23 04:55:30] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:55:30] [INFO ] Invariant cache hit.
[2024-05-23 04:55:30] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/426 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
[2024-05-23 04:55:44] [INFO ] Deduced a trap composed of 131 places in 138 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/426 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 694/1120 variables, 426/430 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
SMT process timed out in 34239ms, After SMT, problems are : Problem set: 0 solved, 1226 unsolved
Search for dead transitions found 0 dead transitions in 34249ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35853 ms. Remains : 426/426 places, 1228/1228 transitions.
[2024-05-23 04:56:04] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
Found an invariant !
This invariant on transitions {239=1, 335=1, 534=1, 689=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 348=1, 547=1, 690=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[200] Max Struct:[+inf]
[2024-05-23 04:56:05] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[200] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1979 ms. (505 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200] Max Struct:[+inf]
[2024-05-23 04:56:07] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:07] [INFO ] Invariant cache hit.
[2024-05-23 04:56:07] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 04:56:07] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 04:56:07] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:56:08] [INFO ] [Real]Added 76 Read/Feed constraints in 50 ms returned sat
[2024-05-23 04:56:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:56:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:56:08] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2024-05-23 04:56:08] [INFO ] [Nat]Added 76 Read/Feed constraints in 32 ms returned sat
[2024-05-23 04:56:08] [INFO ] Deduced a trap composed of 113 places in 199 ms of which 3 ms to minimize.
[2024-05-23 04:56:08] [INFO ] Deduced a trap composed of 90 places in 192 ms of which 3 ms to minimize.
[2024-05-23 04:56:08] [INFO ] Deduced a trap composed of 88 places in 190 ms of which 3 ms to minimize.
[2024-05-23 04:56:09] [INFO ] Deduced a trap composed of 78 places in 178 ms of which 2 ms to minimize.
[2024-05-23 04:56:09] [INFO ] Deduced a trap composed of 70 places in 193 ms of which 3 ms to minimize.
[2024-05-23 04:56:09] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1084 ms
[2024-05-23 04:56:09] [INFO ] Computed and/alt/rep : 340/1258/333 causal constraints (skipped 359 transitions) in 62 ms.
[2024-05-23 04:56:09] [INFO ] Added : 33 causal constraints over 7 iterations in 364 ms. Result :sat
Minimization took 312 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200] Max Struct:[+inf]
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 40 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 426/426 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 40 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2024-05-23 04:56:11] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:11] [INFO ] Invariant cache hit.
[2024-05-23 04:56:11] [INFO ] Implicit Places using invariants in 286 ms returned []
[2024-05-23 04:56:11] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:11] [INFO ] Invariant cache hit.
[2024-05-23 04:56:11] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:56:12] [INFO ] Implicit Places using invariants and state equation in 1238 ms returned []
Implicit Place search using SMT with State Equation took 1528 ms to find 0 implicit places.
[2024-05-23 04:56:12] [INFO ] Redundant transitions in 15 ms returned []
Running 1226 sub problems to find dead transitions.
[2024-05-23 04:56:12] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:12] [INFO ] Invariant cache hit.
[2024-05-23 04:56:12] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/426 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
[2024-05-23 04:56:26] [INFO ] Deduced a trap composed of 131 places in 142 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/426 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 3 (OVERLAPS) 694/1120 variables, 426/430 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
SMT process timed out in 33852ms, After SMT, problems are : Problem set: 0 solved, 1226 unsolved
Search for dead transitions found 0 dead transitions in 33862ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35455 ms. Remains : 426/426 places, 1228/1228 transitions.
[2024-05-23 04:56:46] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
Found an invariant !
This invariant on transitions {239=1, 335=1, 534=1, 689=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 348=1, 547=1, 690=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[200] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 567388 steps, run timeout after 3001 ms. (steps per millisecond=189 ) properties seen :0 out of 1
Probabilistic random walk after 567388 steps, saw 347914 distinct states, run finished after 3001 ms. (steps per millisecond=189 ) properties seen :0
[2024-05-23 04:56:50] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:50] [INFO ] Invariant cache hit.
[2024-05-23 04:56:50] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 349/353 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/363 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 604/967 variables, 338/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/967 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/967 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1029 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1029 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 74/1103 variables, 69/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1103 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/1114 variables, 6/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1120 variables, 4/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1120 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1120 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 505 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 426/426 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 349/353 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/363 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/363 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 604/967 variables, 338/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/967 variables, 74/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/967 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1029 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1029 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 74/1103 variables, 69/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1103 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/1114 variables, 6/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1120 variables, 4/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1120 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1120 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 506 constraints, problems are : Problem set: 0 solved, 1 unsolved in 282 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 426/426 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 590ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 47 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 426/426 places, 1228/1228 transitions.
RANDOM walk for 40003 steps (8 resets) in 117 ms. (339 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 566100 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 1
Probabilistic random walk after 566100 steps, saw 347125 distinct states, run finished after 3002 ms. (steps per millisecond=188 ) properties seen :0
[2024-05-23 04:56:53] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:53] [INFO ] Invariant cache hit.
[2024-05-23 04:56:53] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 349/353 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/363 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 604/967 variables, 338/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/967 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/967 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1029 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1029 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 74/1103 variables, 69/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1103 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/1114 variables, 6/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1120 variables, 4/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1120 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1120 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 505 constraints, problems are : Problem set: 0 solved, 1 unsolved in 306 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 426/426 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 349/353 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/363 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/363 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 604/967 variables, 338/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/967 variables, 74/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/967 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1029 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1029 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 74/1103 variables, 69/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1103 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/1114 variables, 6/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1120 variables, 4/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1120 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1120 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 506 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 426/426 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 630ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 45 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 426/426 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1228/1228 transitions.
Applied a total of 0 rules in 40 ms. Remains 426 /426 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2024-05-23 04:56:54] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:54] [INFO ] Invariant cache hit.
[2024-05-23 04:56:54] [INFO ] Implicit Places using invariants in 299 ms returned []
[2024-05-23 04:56:54] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:54] [INFO ] Invariant cache hit.
[2024-05-23 04:56:54] [INFO ] State equation strengthened by 76 read => feed constraints.
[2024-05-23 04:56:55] [INFO ] Implicit Places using invariants and state equation in 1252 ms returned []
Implicit Place search using SMT with State Equation took 1553 ms to find 0 implicit places.
[2024-05-23 04:56:56] [INFO ] Redundant transitions in 19 ms returned []
Running 1226 sub problems to find dead transitions.
[2024-05-23 04:56:56] [INFO ] Flow matrix only has 694 transitions (discarded 534 similar events)
[2024-05-23 04:56:56] [INFO ] Invariant cache hit.
[2024-05-23 04:56:56] [INFO ] State equation strengthened by 76 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/426 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
[2024-05-23 04:57:10] [INFO ] Deduced a trap composed of 131 places in 136 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/426 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
At refinement iteration 3 (OVERLAPS) 694/1120 variables, 426/430 constraints. Problems are: Problem set: 0 solved, 1226 unsolved
SMT process timed out in 34293ms, After SMT, problems are : Problem set: 0 solved, 1226 unsolved
Search for dead transitions found 0 dead transitions in 34303ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35929 ms. Remains : 426/426 places, 1228/1228 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 534 transitions
Reduce isomorphic transitions removed 534 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 549 rules applied. Total rules applied 549 place count 426 transition count 679
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 564 place count 411 transition count 679
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 72 Pre rules applied. Total rules applied 564 place count 411 transition count 607
Deduced a syphon composed of 72 places in 0 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 708 place count 339 transition count 607
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 1 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 962 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1026 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1090 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1091 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1154 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1217 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1280 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1343 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1406 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1406 place count 22 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1408 place count 21 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1410 place count 20 transition count 34
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 4 with 2 rules applied. Total rules applied 1412 place count 19 transition count 34
Applied a total of 1412 rules in 22 ms. Remains 19 /426 variables (removed 407) and now considering 34/1228 (removed 1194) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 34 rows 19 cols
[2024-05-23 04:57:30] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 04:57:30] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 04:57:30] [INFO ] After 7ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 04:57:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 04:57:30] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:57:30] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 04:57:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 04:57:30] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 04:57:30] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 04:57:30] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 04:57:30] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 96 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[200] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-07 in 213303 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:57:30] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 04:57:30] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:57:30] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 04:57:30] [INFO ] Invariant cache hit.
[2024-05-23 04:57:30] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:57:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:57:30] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:57:30] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 04:57:30] [INFO ] [Real]Added 106 Read/Feed constraints in 38 ms returned sat
[2024-05-23 04:57:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:57:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 04:57:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 04:57:31] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 04:57:31] [INFO ] [Nat]Added 106 Read/Feed constraints in 27 ms returned sat
[2024-05-23 04:57:31] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 68 ms.
[2024-05-23 04:57:31] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 452 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 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1382
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1366
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1366
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1348
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1322
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1322
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1304
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1304
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1286
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1286
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 133 place count 437 transition count 1250
Iterating global reduction 2 with 8 rules applied. Total rules applied 141 place count 437 transition count 1250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 430 transition count 1236
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 430 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 160 place count 425 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 165 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 166 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 167 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 168 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 169 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 422 transition count 1220
Applied a total of 171 rules in 158 ms. Remains 422 /505 variables (removed 83) and now considering 1220/1408 (removed 188) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 422/505 places, 1220/1408 transitions.
[2024-05-23 04:57:31] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:57:32] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2024-05-23 04:57:32] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2093 ms. (477 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 644 ms. (1550 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 04:57:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:57:34] [INFO ] Invariant cache hit.
[2024-05-23 04:57:34] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:57:35] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2024-05-23 04:57:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:57:35] [INFO ] [Real]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 04:57:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:57:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:57:35] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 04:57:35] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 04:57:35] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 57 ms.
[2024-05-23 04:57:35] [INFO ] Added : 11 causal constraints over 4 iterations in 239 ms. Result :sat
Minimization took 251 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:[1] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 39 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 38 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:57:35] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:57:35] [INFO ] Invariant cache hit.
[2024-05-23 04:57:36] [INFO ] Implicit Places using invariants in 311 ms returned []
[2024-05-23 04:57:36] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:57:36] [INFO ] Invariant cache hit.
[2024-05-23 04:57:36] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:57:37] [INFO ] Implicit Places using invariants and state equation in 1182 ms returned []
Implicit Place search using SMT with State Equation took 1499 ms to find 0 implicit places.
[2024-05-23 04:57:37] [INFO ] Redundant transitions in 14 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:57:37] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:57:37] [INFO ] Invariant cache hit.
[2024-05-23 04:57:37] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:57:51] [INFO ] Deduced a trap composed of 131 places in 140 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34282ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34293ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35854 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:58:11] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 04:58:12] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1989 ms. (502 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 618 ms. (1615 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[177] Max Struct:[+inf]
[2024-05-23 04:58:14] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:14] [INFO ] Invariant cache hit.
[2024-05-23 04:58:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:58:14] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2024-05-23 04:58:14] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:58:14] [INFO ] [Real]Added 75 Read/Feed constraints in 42 ms returned sat
[2024-05-23 04:58:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:58:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:58:15] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-23 04:58:15] [INFO ] [Nat]Added 75 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:58:15] [INFO ] Deduced a trap composed of 113 places in 188 ms of which 2 ms to minimize.
[2024-05-23 04:58:15] [INFO ] Deduced a trap composed of 109 places in 175 ms of which 3 ms to minimize.
[2024-05-23 04:58:15] [INFO ] Deduced a trap composed of 87 places in 176 ms of which 3 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Deduced a trap composed of 78 places in 181 ms of which 2 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Deduced a trap composed of 76 places in 174 ms of which 2 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Deduced a trap composed of 73 places in 186 ms of which 2 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Deduced a trap composed of 71 places in 179 ms of which 3 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Deduced a trap composed of 70 places in 176 ms of which 3 ms to minimize.
[2024-05-23 04:58:16] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1636 ms
[2024-05-23 04:58:16] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 57 ms.
[2024-05-23 04:58:17] [INFO ] Added : 14 causal constraints over 5 iterations in 292 ms. Result :sat
Minimization took 251 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[177] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[177] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:58:18] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:18] [INFO ] Invariant cache hit.
[2024-05-23 04:58:18] [INFO ] Implicit Places using invariants in 287 ms returned []
[2024-05-23 04:58:18] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:18] [INFO ] Invariant cache hit.
[2024-05-23 04:58:18] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:58:19] [INFO ] Implicit Places using invariants and state equation in 1195 ms returned []
Implicit Place search using SMT with State Equation took 1484 ms to find 0 implicit places.
[2024-05-23 04:58:19] [INFO ] Redundant transitions in 17 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:58:19] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:19] [INFO ] Invariant cache hit.
[2024-05-23 04:58:19] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:58:33] [INFO ] Deduced a trap composed of 131 places in 130 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34096ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34106ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35654 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:58:54] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[177] Max Struct:[+inf]
[2024-05-23 04:58:54] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[177] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2008 ms. (497 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 625 ms. (1597 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[177] Max Struct:[+inf]
[2024-05-23 04:58:56] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:58:56] [INFO ] Invariant cache hit.
[2024-05-23 04:58:56] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:58:57] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-23 04:58:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:58:57] [INFO ] [Real]Added 75 Read/Feed constraints in 44 ms returned sat
[2024-05-23 04:58:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 04:58:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 04:58:57] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-23 04:58:57] [INFO ] [Nat]Added 75 Read/Feed constraints in 40 ms returned sat
[2024-05-23 04:58:57] [INFO ] Deduced a trap composed of 113 places in 177 ms of which 3 ms to minimize.
[2024-05-23 04:58:57] [INFO ] Deduced a trap composed of 109 places in 174 ms of which 3 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 87 places in 177 ms of which 3 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 78 places in 171 ms of which 3 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 76 places in 178 ms of which 3 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 73 places in 177 ms of which 3 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 71 places in 173 ms of which 2 ms to minimize.
[2024-05-23 04:58:58] [INFO ] Deduced a trap composed of 70 places in 171 ms of which 3 ms to minimize.
[2024-05-23 04:58:59] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1587 ms
[2024-05-23 04:58:59] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 57 ms.
[2024-05-23 04:58:59] [INFO ] Added : 14 causal constraints over 5 iterations in 291 ms. Result :sat
Minimization took 250 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[177] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[177] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:59:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:00] [INFO ] Invariant cache hit.
[2024-05-23 04:59:00] [INFO ] Implicit Places using invariants in 283 ms returned []
[2024-05-23 04:59:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:00] [INFO ] Invariant cache hit.
[2024-05-23 04:59:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:59:02] [INFO ] Implicit Places using invariants and state equation in 1196 ms returned []
Implicit Place search using SMT with State Equation took 1480 ms to find 0 implicit places.
[2024-05-23 04:59:02] [INFO ] Redundant transitions in 14 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:59:02] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:02] [INFO ] Invariant cache hit.
[2024-05-23 04:59:02] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 04:59:15] [INFO ] Deduced a trap composed of 131 places in 133 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34141ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34151ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35695 ms. Remains : 422/422 places, 1220/1220 transitions.
[2024-05-23 04:59:36] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[177] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 571539 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 1
Probabilistic random walk after 571539 steps, saw 350458 distinct states, run finished after 3001 ms. (steps per millisecond=190 ) properties seen :0
[2024-05-23 04:59:39] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:39] [INFO ] Invariant cache hit.
[2024-05-23 04:59:39] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 604ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1012 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 42 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40000 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 567472 steps, run timeout after 3001 ms. (steps per millisecond=189 ) properties seen :0 out of 1
Probabilistic random walk after 567472 steps, saw 347966 distinct states, run finished after 3001 ms. (steps per millisecond=189 ) properties seen :0
[2024-05-23 04:59:44] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:44] [INFO ] Invariant cache hit.
[2024-05-23 04:59:44] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 296 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 618ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 992 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 49 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 40 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2024-05-23 04:59:45] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:45] [INFO ] Invariant cache hit.
[2024-05-23 04:59:46] [INFO ] Implicit Places using invariants in 283 ms returned []
[2024-05-23 04:59:46] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:46] [INFO ] Invariant cache hit.
[2024-05-23 04:59:46] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 04:59:47] [INFO ] Implicit Places using invariants and state equation in 1207 ms returned []
Implicit Place search using SMT with State Equation took 1492 ms to find 0 implicit places.
[2024-05-23 04:59:47] [INFO ] Redundant transitions in 21 ms returned []
Running 1218 sub problems to find dead transitions.
[2024-05-23 04:59:47] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2024-05-23 04:59:47] [INFO ] Invariant cache hit.
[2024-05-23 04:59:47] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2024-05-23 05:00:00] [INFO ] Deduced a trap composed of 131 places in 139 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 34164ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 34174ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35739 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
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 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 22 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2024-05-23 05:00:21] [INFO ] Computed 3 invariants in 3 ms
[2024-05-23 05:00:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 05:00:21] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 05:00:21] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 05:00:21] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 05:00:21] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 05:00:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 05:00:21] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 05:00:21] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 05:00:21] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 05:00:21] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 106 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[177] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-10 in 171371 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 05:00:21] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 05:00:21] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 05:00:21] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 05:00:21] [INFO ] Invariant cache hit.
[2024-05-23 05:00:21] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:00:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:00:22] [INFO ] [Real]Absence check using state equation in 168 ms returned sat
[2024-05-23 05:00:22] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 05:00:22] [INFO ] [Real]Added 106 Read/Feed constraints in 33 ms returned sat
[2024-05-23 05:00:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:00:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 05:00:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:00:22] [INFO ] [Nat]Absence check using state equation in 169 ms returned sat
[2024-05-23 05:00:22] [INFO ] [Nat]Added 106 Read/Feed constraints in 55 ms returned sat
[2024-05-23 05:00:22] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 05:00:22] [INFO ] Added : 2 causal constraints over 1 iterations in 174 ms. Result :sat
Minimization took 463 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 497 transition count 1390
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 497 transition count 1390
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 497 transition count 1386
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 28 place count 489 transition count 1368
Iterating global reduction 1 with 8 rules applied. Total rules applied 36 place count 489 transition count 1368
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 44 place count 481 transition count 1346
Iterating global reduction 1 with 8 rules applied. Total rules applied 52 place count 481 transition count 1346
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 62 place count 471 transition count 1318
Iterating global reduction 1 with 10 rules applied. Total rules applied 72 place count 471 transition count 1318
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 82 place count 461 transition count 1298
Iterating global reduction 1 with 10 rules applied. Total rules applied 92 place count 461 transition count 1298
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 102 place count 451 transition count 1278
Iterating global reduction 1 with 10 rules applied. Total rules applied 112 place count 451 transition count 1278
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 122 place count 441 transition count 1256
Iterating global reduction 1 with 10 rules applied. Total rules applied 132 place count 441 transition count 1256
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 141 place count 432 transition count 1238
Iterating global reduction 1 with 9 rules applied. Total rules applied 150 place count 432 transition count 1238
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 158 place count 424 transition count 1222
Iterating global reduction 1 with 8 rules applied. Total rules applied 166 place count 424 transition count 1222
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 171 place count 419 transition count 1212
Iterating global reduction 1 with 5 rules applied. Total rules applied 176 place count 419 transition count 1212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 177 place count 418 transition count 1210
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 418 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 179 place count 417 transition count 1208
Iterating global reduction 1 with 1 rules applied. Total rules applied 180 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 181 place count 416 transition count 1206
Iterating global reduction 1 with 1 rules applied. Total rules applied 182 place count 416 transition count 1206
Applied a total of 182 rules in 159 ms. Remains 416 /505 variables (removed 89) and now considering 1206/1408 (removed 202) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 416/505 places, 1206/1408 transitions.
[2024-05-23 05:00:23] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 05:00:23] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2024-05-23 05:00:23] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2024 ms. (493 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 613 ms. (1628 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 05:00:26] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:00:26] [INFO ] Invariant cache hit.
[2024-05-23 05:00:26] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:00:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:00:26] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-23 05:00:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:00:26] [INFO ] [Real]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 05:00:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:00:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:00:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:00:26] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2024-05-23 05:00:26] [INFO ] [Nat]Added 75 Read/Feed constraints in 44 ms returned sat
[2024-05-23 05:00:26] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 57 ms.
[2024-05-23 05:00:27] [INFO ] Deduced a trap composed of 131 places in 169 ms of which 2 ms to minimize.
[2024-05-23 05:00:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 224 ms
[2024-05-23 05:00:27] [INFO ] Added : 5 causal constraints over 2 iterations in 430 ms. Result :sat
Minimization took 411 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 38 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 38 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-23 05:00:27] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:00:27] [INFO ] Invariant cache hit.
[2024-05-23 05:00:28] [INFO ] Implicit Places using invariants in 291 ms returned []
[2024-05-23 05:00:28] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:00:28] [INFO ] Invariant cache hit.
[2024-05-23 05:00:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:00:29] [INFO ] Implicit Places using invariants and state equation in 1219 ms returned []
Implicit Place search using SMT with State Equation took 1512 ms to find 0 implicit places.
[2024-05-23 05:00:29] [INFO ] Redundant transitions in 18 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-23 05:00:29] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:00:29] [INFO ] Invariant cache hit.
[2024-05-23 05:00:29] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33562ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 33574ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35155 ms. Remains : 416/416 places, 1206/1206 transitions.
[2024-05-23 05:01:02] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 05:01:03] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2030 ms. (492 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 05:01:05] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:05] [INFO ] Invariant cache hit.
[2024-05-23 05:01:05] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-23 05:01:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:01:05] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-23 05:01:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:01:05] [INFO ] [Real]Added 75 Read/Feed constraints in 31 ms returned sat
[2024-05-23 05:01:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:01:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:01:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 05:01:06] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2024-05-23 05:01:06] [INFO ] [Nat]Added 75 Read/Feed constraints in 41 ms returned sat
[2024-05-23 05:01:06] [INFO ] Deduced a trap composed of 135 places in 162 ms of which 2 ms to minimize.
[2024-05-23 05:01:06] [INFO ] Deduced a trap composed of 131 places in 147 ms of which 2 ms to minimize.
[2024-05-23 05:01:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 381 ms
[2024-05-23 05:01:06] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 62 ms.
[2024-05-23 05:01:06] [INFO ] Added : 4 causal constraints over 1 iterations in 157 ms. Result :sat
Minimization took 394 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 40 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 39 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-23 05:01:07] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:07] [INFO ] Invariant cache hit.
[2024-05-23 05:01:07] [INFO ] Implicit Places using invariants in 298 ms returned []
[2024-05-23 05:01:07] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:07] [INFO ] Invariant cache hit.
[2024-05-23 05:01:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:01:08] [INFO ] Implicit Places using invariants and state equation in 1201 ms returned []
Implicit Place search using SMT with State Equation took 1500 ms to find 0 implicit places.
[2024-05-23 05:01:08] [INFO ] Redundant transitions in 17 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-23 05:01:08] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:08] [INFO ] Invariant cache hit.
[2024-05-23 05:01:08] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 34139ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 34149ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35712 ms. Remains : 416/416 places, 1206/1206 transitions.
[2024-05-23 05:01:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 565188 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 1
Probabilistic random walk after 565188 steps, saw 346565 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2024-05-23 05:01:46] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-23 05:01:46] [INFO ] Invariant cache hit.
[2024-05-23 05:01:46] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 323 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 62/1014 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1014 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-23 05:01:47] [INFO ] Deduced a trap composed of 135 places in 177 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 911ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 44 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 33453 steps (7 resets) in 127 ms. (261 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-13 in 85540 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-14
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:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2024-05-23 05:01:47] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 05:01:47] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[8]
[2024-05-23 05:01:47] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 05:01:47] [INFO ] Invariant cache hit.
[2024-05-23 05:01:47] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:01:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:01:47] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2024-05-23 05:01:47] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 05:01:47] [INFO ] [Real]Added 106 Read/Feed constraints in 37 ms returned sat
[2024-05-23 05:01:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 05:01:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 05:01:47] [INFO ] [Nat]Absence check using state equation in 192 ms returned sat
[2024-05-23 05:01:48] [INFO ] [Nat]Added 106 Read/Feed constraints in 86 ms returned sat
[2024-05-23 05:01:48] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 77 ms.
[2024-05-23 05:01:48] [INFO ] Added : 1 causal constraints over 1 iterations in 176 ms. Result :sat
Minimization took 479 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 1 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 15 place count 494 transition count 1384
Iterating global reduction 1 with 8 rules applied. Total rules applied 23 place count 494 transition count 1384
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 27 place count 494 transition count 1380
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 35 place count 486 transition count 1362
Iterating global reduction 2 with 8 rules applied. Total rules applied 43 place count 486 transition count 1362
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 51 place count 478 transition count 1340
Iterating global reduction 2 with 8 rules applied. Total rules applied 59 place count 478 transition count 1340
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 69 place count 468 transition count 1312
Iterating global reduction 2 with 10 rules applied. Total rules applied 79 place count 468 transition count 1312
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 89 place count 458 transition count 1292
Iterating global reduction 2 with 10 rules applied. Total rules applied 99 place count 458 transition count 1292
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 109 place count 448 transition count 1272
Iterating global reduction 2 with 10 rules applied. Total rules applied 119 place count 448 transition count 1272
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 129 place count 438 transition count 1250
Iterating global reduction 2 with 10 rules applied. Total rules applied 139 place count 438 transition count 1250
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 148 place count 429 transition count 1232
Iterating global reduction 2 with 9 rules applied. Total rules applied 157 place count 429 transition count 1232
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 165 place count 421 transition count 1216
Iterating global reduction 2 with 8 rules applied. Total rules applied 173 place count 421 transition count 1216
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 178 place count 416 transition count 1206
Iterating global reduction 2 with 5 rules applied. Total rules applied 183 place count 416 transition count 1206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 184 place count 415 transition count 1204
Iterating global reduction 2 with 1 rules applied. Total rules applied 185 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 186 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 187 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 188 place count 413 transition count 1200
Iterating global reduction 2 with 1 rules applied. Total rules applied 189 place count 413 transition count 1200
Applied a total of 189 rules in 172 ms. Remains 413 /505 variables (removed 92) and now considering 1200/1408 (removed 208) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 413/505 places, 1200/1408 transitions.
[2024-05-23 05:01:49] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2024-05-23 05:01:49] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[8]
RANDOM walk for 1000001 steps (2 resets) in 2109 ms. (473 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[8]
[2024-05-23 05:01:51] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:01:51] [INFO ] Invariant cache hit.
[2024-05-23 05:01:51] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 05:01:51] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-23 05:01:52] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 05:01:52] [INFO ] [Real]Added 72 Read/Feed constraints in 42 ms returned sat
[2024-05-23 05:01:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:01:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 05:01:52] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2024-05-23 05:01:52] [INFO ] [Nat]Added 72 Read/Feed constraints in 51 ms returned sat
[2024-05-23 05:01:52] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 70 ms.
[2024-05-23 05:01:52] [INFO ] Added : 3 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 252 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 40 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 41 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-23 05:01:52] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:01:52] [INFO ] Invariant cache hit.
[2024-05-23 05:01:53] [INFO ] Implicit Places using invariants in 298 ms returned []
[2024-05-23 05:01:53] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:01:53] [INFO ] Invariant cache hit.
[2024-05-23 05:01:53] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 05:01:54] [INFO ] Implicit Places using invariants and state equation in 1401 ms returned []
Implicit Place search using SMT with State Equation took 1700 ms to find 0 implicit places.
[2024-05-23 05:01:54] [INFO ] Redundant transitions in 16 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-23 05:01:54] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:01:54] [INFO ] Invariant cache hit.
[2024-05-23 05:01:54] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-23 05:02:08] [INFO ] Deduced a trap composed of 131 places in 144 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 34265ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 34275ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36043 ms. Remains : 413/413 places, 1200/1200 transitions.
RANDOM walk for 40003 steps (8 resets) in 144 ms. (275 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 319514 steps, run timeout after 3001 ms. (steps per millisecond=106 ) properties seen :0 out of 2
Probabilistic random walk after 319514 steps, saw 195933 distinct states, run finished after 3001 ms. (steps per millisecond=106 ) properties seen :0
[2024-05-23 05:02:32] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:02:32] [INFO ] Invariant cache hit.
[2024-05-23 05:02:32] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/1049 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 17/1066 variables, 11/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1066 variables, 4/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 8/1074 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1074 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/1082 variables, 4/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 6/1088 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1088/1088 variables, and 488 constraints, problems are : Problem set: 0 solved, 2 unsolved in 503 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1043 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 2/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 17/1066 variables, 11/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 4/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 8/1074 variables, 4/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1074 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 8/1082 variables, 4/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 6/1088 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 490 constraints, problems are : Problem set: 0 solved, 2 unsolved in 524 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1041ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 129 ms.
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 41 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 413/413 places, 1200/1200 transitions.
RANDOM walk for 40000 steps (8 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 587752 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :0 out of 1
Probabilistic random walk after 587752 steps, saw 360399 distinct states, run finished after 3001 ms. (steps per millisecond=195 ) properties seen :0
[2024-05-23 05:02:36] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:02:36] [INFO ] Invariant cache hit.
[2024-05-23 05:02:36] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/1049 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 17/1066 variables, 11/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1066 variables, 4/476 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 8/1074 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1074 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1082 variables, 4/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1088 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1088/1088 variables, and 488 constraints, problems are : Problem set: 0 solved, 1 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 1/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1043 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/1049 variables, 2/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 2/462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 17/1066 variables, 11/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 4/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1074 variables, 4/481 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1074 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1082 variables, 4/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1088 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1088 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1088 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 489 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 722ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 39 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 38 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-23 05:02:37] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:02:37] [INFO ] Invariant cache hit.
[2024-05-23 05:02:37] [INFO ] Implicit Places using invariants in 293 ms returned []
[2024-05-23 05:02:37] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:02:37] [INFO ] Invariant cache hit.
[2024-05-23 05:02:37] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-23 05:02:38] [INFO ] Implicit Places using invariants and state equation in 1395 ms returned []
Implicit Place search using SMT with State Equation took 1690 ms to find 0 implicit places.
[2024-05-23 05:02:38] [INFO ] Redundant transitions in 15 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-23 05:02:38] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-23 05:02:38] [INFO ] Invariant cache hit.
[2024-05-23 05:02:38] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-23 05:02:51] [INFO ] Deduced a trap composed of 131 places in 131 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 33906ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 33916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35667 ms. Remains : 413/413 places, 1200/1200 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 413 transition count 664
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 547 place count 402 transition count 664
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 68 Pre rules applied. Total rules applied 547 place count 402 transition count 596
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 2 with 136 rules applied. Total rules applied 683 place count 334 transition count 596
Performed 126 Post agglomeration using F-continuation condition.Transition count delta: 126
Deduced a syphon composed of 126 places in 0 ms
Reduce places removed 126 places and 0 transitions.
Iterating global reduction 2 with 252 rules applied. Total rules applied 935 place count 208 transition count 470
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 998 place count 145 transition count 344
Iterating global reduction 2 with 63 rules applied. Total rules applied 1061 place count 145 transition count 344
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1062 place count 145 transition count 343
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1062 place count 145 transition count 342
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1064 place count 144 transition count 342
Discarding 62 places :
Symmetric choice reduction at 3 with 62 rule applications. Total rules 1126 place count 82 transition count 218
Iterating global reduction 3 with 62 rules applied. Total rules applied 1188 place count 82 transition count 218
Discarding 62 places :
Symmetric choice reduction at 3 with 62 rule applications. Total rules 1250 place count 20 transition count 94
Iterating global reduction 3 with 62 rules applied. Total rules applied 1312 place count 20 transition count 94
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 3 with 62 rules applied. Total rules applied 1374 place count 20 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1376 place count 19 transition count 33
Applied a total of 1376 rules in 24 ms. Remains 19 /413 variables (removed 394) and now considering 33/1200 (removed 1167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2024-05-23 05:03:12] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 05:03:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 05:03:12] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 05:03:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 05:03:12] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 05:03:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 05:03:12] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 05:03:12] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 05:03:12] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 94 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[6] Max Struct:[8]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-14 in 85504 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 05:03:12] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
// Phase 1: matrix 823 rows 505 cols
[2024-05-23 05:03:12] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 05:03:12] [INFO ] Flow matrix only has 823 transitions (discarded 585 similar events)
[2024-05-23 05:03:12] [INFO ] Invariant cache hit.
[2024-05-23 05:03:12] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 05:03:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:03:13] [INFO ] [Real]Absence check using state equation in 172 ms returned sat
[2024-05-23 05:03:13] [INFO ] State equation strengthened by 106 read => feed constraints.
[2024-05-23 05:03:13] [INFO ] [Real]Added 106 Read/Feed constraints in 24 ms returned sat
[2024-05-23 05:03:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:03:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-23 05:03:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 05:03:13] [INFO ] [Nat]Absence check using state equation in 172 ms returned sat
[2024-05-23 05:03:13] [INFO ] [Nat]Added 106 Read/Feed constraints in 29 ms returned sat
[2024-05-23 05:03:13] [INFO ] Computed and/alt/rep : 107/112/91 causal constraints (skipped 730 transitions) in 70 ms.
[2024-05-23 05:03:13] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 466 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 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1408/1408 transitions.
Graph (complete) has 2401 edges and 505 vertex of which 502 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 502 transition count 1402
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 495 transition count 1386
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 495 transition count 1386
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 25 place count 495 transition count 1382
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 32 place count 488 transition count 1368
Iterating global reduction 2 with 7 rules applied. Total rules applied 39 place count 488 transition count 1368
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 46 place count 481 transition count 1348
Iterating global reduction 2 with 7 rules applied. Total rules applied 53 place count 481 transition count 1348
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 62 place count 472 transition count 1322
Iterating global reduction 2 with 9 rules applied. Total rules applied 71 place count 472 transition count 1322
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 80 place count 463 transition count 1304
Iterating global reduction 2 with 9 rules applied. Total rules applied 89 place count 463 transition count 1304
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 98 place count 454 transition count 1286
Iterating global reduction 2 with 9 rules applied. Total rules applied 107 place count 454 transition count 1286
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 116 place count 445 transition count 1266
Iterating global reduction 2 with 9 rules applied. Total rules applied 125 place count 445 transition count 1266
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 133 place count 437 transition count 1250
Iterating global reduction 2 with 8 rules applied. Total rules applied 141 place count 437 transition count 1250
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 149 place count 429 transition count 1234
Iterating global reduction 2 with 8 rules applied. Total rules applied 157 place count 429 transition count 1234
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 162 place count 424 transition count 1224
Iterating global reduction 2 with 5 rules applied. Total rules applied 167 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 168 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 169 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 172 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 173 place count 421 transition count 1218
Applied a total of 173 rules in 163 ms. Remains 421 /505 variables (removed 84) and now considering 1218/1408 (removed 190) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 421/505 places, 1218/1408 transitions.
[2024-05-23 05:03:14] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 05:03:14] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2024-05-23 05:03:14] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 2116 ms. (472 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 682 ms. (1464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 05:03:17] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 05:03:17] [INFO ] Invariant cache hit.
[2024-05-23 05:03:17] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 05:03:17] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2024-05-23 05:03:17] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:03:17] [INFO ] [Real]Added 75 Read/Feed constraints in 29 ms returned sat
[2024-05-23 05:03:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 05:03:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 05:03:17] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2024-05-23 05:03:17] [INFO ] [Nat]Added 75 Read/Feed constraints in 22 ms returned sat
[2024-05-23 05:03:17] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 59 ms.
[2024-05-23 05:03:18] [INFO ] Added : 10 causal constraints over 4 iterations in 245 ms. Result :sat
Minimization took 259 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 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 42 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 45 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2024-05-23 05:03:18] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 05:03:18] [INFO ] Invariant cache hit.
[2024-05-23 05:03:18] [INFO ] Implicit Places using invariants in 301 ms returned []
[2024-05-23 05:03:18] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 05:03:18] [INFO ] Invariant cache hit.
[2024-05-23 05:03:19] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 05:03:20] [INFO ] Implicit Places using invariants and state equation in 1250 ms returned []
Implicit Place search using SMT with State Equation took 1553 ms to find 0 implicit places.
[2024-05-23 05:03:20] [INFO ] Redundant transitions in 21 ms returned []
Running 1216 sub problems to find dead transitions.
[2024-05-23 05:03:20] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 05:03:20] [INFO ] Invariant cache hit.
[2024-05-23 05:03:20] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
[2024-05-23 05:03:34] [INFO ] Deduced a trap composed of 131 places in 150 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 34337ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 34347ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35974 ms. Remains : 421/421 places, 1218/1218 transitions.
[2024-05-23 05:03:54] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 25743 steps (5 resets) in 21 ms. (1170 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-15 in 41925 ms.
[2024-05-23 05:03:55] [INFO ] Flatten gal took : 146 ms
[2024-05-23 05:03:55] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-23 05:03:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 505 places, 1408 transitions and 5758 arcs took 9 ms.
Total runtime 1935878 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FunctionPointer-PT-c008

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 505
TRANSITIONS: 1408
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.028s, Sys 0.003s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.004s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 2802
MODEL NAME: /home/mcc/execution/414/model
505 places, 1408 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------

BK_STOP 1716441936337

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-c008"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is FunctionPointer-PT-c008, 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 r179-tall-171640601200293"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c008.tgz
mv FunctionPointer-PT-c008 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;