MCC'2024- Execution of r180-tall-171640603000277

About the Execution of ITS-Tools for FunctionPointer-PT-c002

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
15319.836	3600000.00	4292946.00	8331.30	? 0 inf inf ? ? 0 0 0 0 inf 0 ? ? ? 2	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r180-tall-171640603000277.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is FunctionPointer-PT-c002, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-tall-171640603000277
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Apr 22 14:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 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-c002-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716476348156

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-23 14:59:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-23 14:59:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 14:59:09] [INFO ] Load time of PNML (sax parser for PT used): 380 ms
[2024-05-23 14:59:09] [INFO ] Transformed 2826 places.
[2024-05-23 14:59:09] [INFO ] Transformed 8960 transitions.
[2024-05-23 14:59:09] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 537 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 1198 places in 41 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c002-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-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] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 14:59:10] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2024-05-23 14:59:10] [INFO ] Computed 4 invariants in 90 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
RANDOM walk for 10001 steps (2 resets) in 271 ms. (36 steps per ms)
BEST_FIRST walk for 100009 steps (20 resets) in 260 ms. (383 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 2, 6, 1, 1, 4, 10, 0, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
[2024-05-23 14:59:10] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2024-05-23 14:59:10] [INFO ] Invariant cache hit.
[2024-05-23 14:59:11] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2024-05-23 14:59:11] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 14:59:12] [INFO ] [Real]Absence check using state equation in 856 ms returned sat
[2024-05-23 14:59:12] [INFO ] State equation strengthened by 479 read => feed constraints.
[2024-05-23 14:59:12] [INFO ] [Real]Added 479 Read/Feed constraints in 116 ms returned sat
[2024-05-23 14:59:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:12] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:13] [INFO ] [Nat]Absence check using state equation in 695 ms returned sat
[2024-05-23 14:59:13] [INFO ] [Nat]Added 479 Read/Feed constraints in 282 ms returned sat
[2024-05-23 14:59:14] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 757 ms.
[2024-05-23 14:59:14] [INFO ] Added : 2 causal constraints over 1 iterations in 1149 ms. Result :sat
Minimization took 630 ms.
[2024-05-23 14:59:15] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 14:59:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:16] [INFO ] [Real]Absence check using state equation in 815 ms returned sat
[2024-05-23 14:59:16] [INFO ] [Real]Added 479 Read/Feed constraints in 126 ms returned sat
[2024-05-23 14:59:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 17 ms returned sat
[2024-05-23 14:59:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 14:59:17] [INFO ] [Nat]Absence check using state equation in 765 ms returned sat
[2024-05-23 14:59:17] [INFO ] [Nat]Added 479 Read/Feed constraints in 123 ms returned sat
[2024-05-23 14:59:18] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 463 ms.
[2024-05-23 14:59:18] [INFO ] Added : 2 causal constraints over 1 iterations in 791 ms. Result :sat
Minimization took 582 ms.
[2024-05-23 14:59:19] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 14:59:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:20] [INFO ] [Real]Absence check using state equation in 722 ms returned sat
[2024-05-23 14:59:20] [INFO ] [Real]Added 479 Read/Feed constraints in 198 ms returned sat
[2024-05-23 14:59:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 14:59:21] [INFO ] [Nat]Absence check using state equation in 791 ms returned sat
[2024-05-23 14:59:21] [INFO ] [Nat]Added 479 Read/Feed constraints in 118 ms returned sat
[2024-05-23 14:59:22] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 479 ms.
[2024-05-23 14:59:22] [INFO ] Added : 2 causal constraints over 1 iterations in 796 ms. Result :sat
Minimization took 579 ms.
[2024-05-23 14:59:23] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 14:59:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:24] [INFO ] [Real]Absence check using state equation in 799 ms returned sat
[2024-05-23 14:59:24] [INFO ] [Real]Added 479 Read/Feed constraints in 101 ms returned sat
[2024-05-23 14:59:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:25] [INFO ] [Nat]Absence check using state equation in 787 ms returned sat
[2024-05-23 14:59:25] [INFO ] [Nat]Added 479 Read/Feed constraints in 102 ms returned sat
[2024-05-23 14:59:26] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 443 ms.
[2024-05-23 14:59:26] [INFO ] Added : 2 causal constraints over 1 iterations in 773 ms. Result :sat
Minimization took 605 ms.
[2024-05-23 14:59:27] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-23 14:59:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 14:59:28] [INFO ] [Real]Absence check using state equation in 711 ms returned sat
[2024-05-23 14:59:28] [INFO ] [Real]Added 479 Read/Feed constraints in 113 ms returned sat
[2024-05-23 14:59:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 14:59:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:29] [INFO ] [Nat]Absence check using state equation in 774 ms returned sat
[2024-05-23 14:59:29] [INFO ] [Nat]Added 479 Read/Feed constraints in 123 ms returned sat
[2024-05-23 14:59:29] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 444 ms.
[2024-05-23 14:59:30] [INFO ] Added : 2 causal constraints over 1 iterations in 761 ms. Result :sat
Minimization took 581 ms.
[2024-05-23 14:59:31] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:31] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:31] [INFO ] [Real]Absence check using state equation in 769 ms returned sat
[2024-05-23 14:59:32] [INFO ] [Real]Added 479 Read/Feed constraints in 186 ms returned sat
[2024-05-23 14:59:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 14:59:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 14:59:33] [INFO ] [Nat]Absence check using state equation in 737 ms returned sat
[2024-05-23 14:59:33] [INFO ] [Nat]Added 479 Read/Feed constraints in 155 ms returned sat
[2024-05-23 14:59:34] [INFO ] Deduced a trap composed of 142 places in 1194 ms of which 94 ms to minimize.
[2024-05-23 14:59:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1389 ms
[2024-05-23 14:59:35] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 514 ms.
[2024-05-23 14:59:35] [INFO ] Added : 2 causal constraints over 1 iterations in 846 ms. Result :sat
Minimization took 580 ms.
[2024-05-23 14:59:36] [INFO ] [Real]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 14:59:36] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:37] [INFO ] [Real]Absence check using state equation in 757 ms returned sat
[2024-05-23 14:59:37] [INFO ] [Real]Added 479 Read/Feed constraints in 175 ms returned sat
[2024-05-23 14:59:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 14:59:37] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:38] [INFO ] [Nat]Absence check using state equation in 789 ms returned sat
[2024-05-23 14:59:38] [INFO ] [Nat]Added 479 Read/Feed constraints in 131 ms returned sat
[2024-05-23 14:59:39] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 444 ms.
[2024-05-23 14:59:39] [INFO ] Added : 2 causal constraints over 1 iterations in 772 ms. Result :sat
Minimization took 598 ms.
[2024-05-23 14:59:40] [INFO ] [Real]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-23 14:59:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 14:59:40] [INFO ] [Real]Absence check using state equation in 755 ms returned sat
[2024-05-23 14:59:41] [INFO ] [Real]Added 479 Read/Feed constraints in 113 ms returned sat
[2024-05-23 14:59:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 14:59:42] [INFO ] [Nat]Absence check using state equation in 747 ms returned sat
[2024-05-23 14:59:42] [INFO ] [Nat]Added 479 Read/Feed constraints in 98 ms returned sat
[2024-05-23 14:59:42] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 448 ms.
[2024-05-23 14:59:43] [INFO ] Added : 1 causal constraints over 1 iterations in 769 ms. Result :sat
Minimization took 590 ms.
[2024-05-23 14:59:43] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 14:59:44] [INFO ] [Real]Absence check using state equation in 742 ms returned sat
[2024-05-23 14:59:44] [INFO ] [Real]Added 479 Read/Feed constraints in 148 ms returned sat
[2024-05-23 14:59:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 14:59:45] [INFO ] [Nat]Absence check using state equation in 781 ms returned sat
[2024-05-23 14:59:46] [INFO ] [Nat]Added 479 Read/Feed constraints in 146 ms returned sat
[2024-05-23 14:59:46] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 431 ms.
[2024-05-23 14:59:46] [INFO ] Added : 2 causal constraints over 1 iterations in 761 ms. Result :sat
Minimization took 584 ms.
[2024-05-23 14:59:47] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 14:59:48] [INFO ] [Real]Absence check using state equation in 789 ms returned sat
[2024-05-23 14:59:48] [INFO ] [Real]Added 479 Read/Feed constraints in 118 ms returned sat
[2024-05-23 14:59:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:59:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-23 14:59:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 14:59:49] [INFO ] [Nat]Absence check using state equation in 743 ms returned sat
[2024-05-23 14:59:49] [INFO ] [Nat]Added 479 Read/Feed constraints in 104 ms returned sat
[2024-05-23 14:59:50] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 460 ms.
[2024-05-23 14:59:50] [INFO ] Added : 0 causal constraints over 0 iterations in 671 ms. Result :sat
Minimization took 599 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 2, 6, 1, 1, 4, 10, 0, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 2, 6, 1, 1, 4, 10, 0, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
Support contains 10 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.29 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 679 place count 1123 transition count 3293
Iterating global reduction 1 with 299 rules applied. Total rules applied 978 place count 1123 transition count 3293
Ensure Unique test removed 350 transitions
Reduce isomorphic transitions removed 350 transitions.
Iterating post reduction 1 with 350 rules applied. Total rules applied 1328 place count 1123 transition count 2943
Discarding 157 places :
Symmetric choice reduction at 2 with 157 rule applications. Total rules 1485 place count 966 transition count 2629
Iterating global reduction 2 with 157 rules applied. Total rules applied 1642 place count 966 transition count 2629
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 2 with 64 rules applied. Total rules applied 1706 place count 966 transition count 2565
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1720 place count 952 transition count 2537
Iterating global reduction 3 with 14 rules applied. Total rules applied 1734 place count 952 transition count 2537
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1748 place count 938 transition count 2509
Iterating global reduction 3 with 14 rules applied. Total rules applied 1762 place count 938 transition count 2509
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1776 place count 924 transition count 2481
Iterating global reduction 3 with 14 rules applied. Total rules applied 1790 place count 924 transition count 2481
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1804 place count 910 transition count 2453
Iterating global reduction 3 with 14 rules applied. Total rules applied 1818 place count 910 transition count 2453
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1832 place count 896 transition count 2425
Iterating global reduction 3 with 14 rules applied. Total rules applied 1846 place count 896 transition count 2425
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1860 place count 882 transition count 2397
Iterating global reduction 3 with 14 rules applied. Total rules applied 1874 place count 882 transition count 2397
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1885 place count 871 transition count 2375
Iterating global reduction 3 with 11 rules applied. Total rules applied 1896 place count 871 transition count 2375
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 1954 place count 813 transition count 2151
Iterating global reduction 3 with 58 rules applied. Total rules applied 2012 place count 813 transition count 2151
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2068 place count 757 transition count 1927
Iterating global reduction 3 with 56 rules applied. Total rules applied 2124 place count 757 transition count 1927
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2180 place count 701 transition count 1807
Iterating global reduction 3 with 56 rules applied. Total rules applied 2236 place count 701 transition count 1807
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2292 place count 645 transition count 1695
Iterating global reduction 3 with 56 rules applied. Total rules applied 2348 place count 645 transition count 1695
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2404 place count 589 transition count 1583
Iterating global reduction 3 with 56 rules applied. Total rules applied 2460 place count 589 transition count 1583
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2516 place count 533 transition count 1471
Iterating global reduction 3 with 56 rules applied. Total rules applied 2572 place count 533 transition count 1471
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2627 place count 478 transition count 1361
Iterating global reduction 3 with 55 rules applied. Total rules applied 2682 place count 478 transition count 1361
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 2686 place count 474 transition count 1353
Iterating global reduction 3 with 4 rules applied. Total rules applied 2690 place count 474 transition count 1353
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 3 with 16 rules applied. Total rules applied 2706 place count 474 transition count 1337
Applied a total of 2706 rules in 1704 ms. Remains 474 /1628 variables (removed 1154) and now considering 1337/5962 (removed 4625) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1731 ms. Remains : 474/1628 places, 1337/5962 transitions.
[2024-05-23 14:59:52] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
Found an invariant !
This invariant on transitions {255=1, 258=1, 267=1, 391=1, 724=1, 767=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 388=1, 593=1, 756=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 10) seen :[0, 0, 2, 0, 0, 1, 1, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 2, 6, 1, 1, 4, 10, 0, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
[2024-05-23 14:59:53] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
// Phase 1: matrix 776 rows 474 cols
[2024-05-23 14:59:53] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 2, 6, 1, 1, 4, 10, 0, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
RANDOM walk for 1000000 steps (2 resets) in 2311 ms. (432 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 5819 ms. (1718 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 4, 470, 7, 1, 494, 10, 6, 4, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
[2024-05-23 15:00:01] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
[2024-05-23 15:00:01] [INFO ] Invariant cache hit.
[2024-05-23 15:00:01] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:01] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:00:01] [INFO ] State equation strengthened by 98 read => feed constraints.
[2024-05-23 15:00:01] [INFO ] [Real]Added 98 Read/Feed constraints in 37 ms returned sat
[2024-05-23 15:00:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 15:00:02] [INFO ] [Nat]Absence check using state equation in 206 ms returned sat
[2024-05-23 15:00:02] [INFO ] [Nat]Added 98 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:00:02] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 73 ms.
[2024-05-23 15:00:02] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 278 ms.
[2024-05-23 15:00:02] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:03] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:03] [INFO ] [Real]Added 98 Read/Feed constraints in 33 ms returned sat
[2024-05-23 15:00:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:03] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 15:00:03] [INFO ] [Nat]Added 98 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:00:03] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:03] [INFO ] Added : 2 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 277 ms.
[2024-05-23 15:00:04] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:04] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:00:04] [INFO ] [Real]Added 98 Read/Feed constraints in 59 ms returned sat
[2024-05-23 15:00:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:04] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-23 15:00:04] [INFO ] [Nat]Added 98 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:00:04] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:04] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 285 ms.
[2024-05-23 15:00:05] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:05] [INFO ] [Real]Absence check using state equation in 187 ms returned sat
[2024-05-23 15:00:05] [INFO ] [Real]Added 98 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:00:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2024-05-23 15:00:05] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:05] [INFO ] [Nat]Added 98 Read/Feed constraints in 41 ms returned sat
[2024-05-23 15:00:05] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 77 ms.
[2024-05-23 15:00:05] [INFO ] Added : 2 causal constraints over 1 iterations in 181 ms. Result :sat
Minimization took 278 ms.
[2024-05-23 15:00:06] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:06] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 15:00:06] [INFO ] [Real]Added 98 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:00:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:06] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-23 15:00:06] [INFO ] [Nat]Added 98 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:00:06] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:06] [INFO ] Added : 2 causal constraints over 1 iterations in 152 ms. Result :sat
Minimization took 299 ms.
[2024-05-23 15:00:07] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:07] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-23 15:00:07] [INFO ] [Real]Added 98 Read/Feed constraints in 36 ms returned sat
[2024-05-23 15:00:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:07] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:07] [INFO ] [Nat]Added 98 Read/Feed constraints in 35 ms returned sat
[2024-05-23 15:00:07] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 68 ms.
[2024-05-23 15:00:08] [INFO ] Added : 2 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 283 ms.
[2024-05-23 15:00:08] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:08] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 15:00:08] [INFO ] [Real]Added 98 Read/Feed constraints in 44 ms returned sat
[2024-05-23 15:00:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:08] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2024-05-23 15:00:08] [INFO ] [Nat]Added 98 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:00:09] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:09] [INFO ] Added : 2 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 290 ms.
[2024-05-23 15:00:09] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:09] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:00:09] [INFO ] [Real]Added 98 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:00:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:09] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:09] [INFO ] [Nat]Added 98 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:00:10] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 70 ms.
[2024-05-23 15:00:10] [INFO ] Added : 1 causal constraints over 1 iterations in 175 ms. Result :sat
Minimization took 277 ms.
[2024-05-23 15:00:10] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:10] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:10] [INFO ] [Real]Added 98 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:00:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:11] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:00:11] [INFO ] [Nat]Added 98 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:00:11] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 81 ms.
[2024-05-23 15:00:11] [INFO ] Added : 2 causal constraints over 1 iterations in 173 ms. Result :sat
Minimization took 283 ms.
[2024-05-23 15:00:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:11] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:00:11] [INFO ] [Real]Added 98 Read/Feed constraints in 39 ms returned sat
[2024-05-23 15:00:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:12] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 15:00:12] [INFO ] [Nat]Added 98 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:00:12] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 75 ms.
[2024-05-23 15:00:12] [INFO ] Added : 0 causal constraints over 0 iterations in 131 ms. Result :sat
Minimization took 283 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 4, 470, 7, 1, 494, 10, 6, 4, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 2]
FORMULA FunctionPointer-PT-c002-UpperBounds-15 2 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 4, 470, 9, 1, 494, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1337/1337 transitions.
Applied a total of 0 rules in 85 ms. Remains 474 /474 variables (removed 0) and now considering 1337/1337 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 474/474 places, 1337/1337 transitions.
[2024-05-23 15:00:16] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
Found an invariant !
This invariant on transitions {255=1, 258=1, 267=1, 391=1, 724=1, 767=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 388=1, 593=1, 756=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 163 ms. (steps per millisecond=61 ) properties (out of 9) seen :[0, 0, 2147483647, 0, 0, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 4, +inf, 9, 1, 494, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:00:17] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
[2024-05-23 15:00:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 4, +inf, 9, 1, 494, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2328 ms. (429 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 8000007 steps (16 resets) in 4626 ms. (1728 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 4, 9, 5, 533, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:00:24] [INFO ] Flow matrix only has 776 transitions (discarded 561 similar events)
[2024-05-23 15:00:24] [INFO ] Invariant cache hit.
[2024-05-23 15:00:24] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:24] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:00:24] [INFO ] State equation strengthened by 98 read => feed constraints.
[2024-05-23 15:00:24] [INFO ] [Real]Added 98 Read/Feed constraints in 36 ms returned sat
[2024-05-23 15:00:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2024-05-23 15:00:25] [INFO ] [Nat]Absence check using state equation in 217 ms returned sat
[2024-05-23 15:00:25] [INFO ] [Nat]Added 98 Read/Feed constraints in 49 ms returned sat
[2024-05-23 15:00:25] [INFO ] Deduced a trap composed of 102 places in 236 ms of which 4 ms to minimize.
[2024-05-23 15:00:25] [INFO ] Deduced a trap composed of 90 places in 230 ms of which 3 ms to minimize.
[2024-05-23 15:00:25] [INFO ] Deduced a trap composed of 88 places in 214 ms of which 3 ms to minimize.
[2024-05-23 15:00:26] [INFO ] Deduced a trap composed of 80 places in 230 ms of which 3 ms to minimize.
[2024-05-23 15:00:26] [INFO ] Deduced a trap composed of 78 places in 222 ms of which 3 ms to minimize.
[2024-05-23 15:00:26] [INFO ] Deduced a trap composed of 147 places in 187 ms of which 3 ms to minimize.
[2024-05-23 15:00:26] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1540 ms
[2024-05-23 15:00:26] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 75 ms.
[2024-05-23 15:00:26] [INFO ] Added : 2 causal constraints over 1 iterations in 175 ms. Result :sat
Minimization took 314 ms.
[2024-05-23 15:00:27] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:27] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:00:27] [INFO ] [Real]Added 98 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:00:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:27] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:27] [INFO ] [Nat]Added 98 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:00:27] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:28] [INFO ] Added : 2 causal constraints over 1 iterations in 158 ms. Result :sat
Minimization took 289 ms.
[2024-05-23 15:00:28] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:28] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 15:00:28] [INFO ] [Real]Added 98 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:00:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:28] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-23 15:00:28] [INFO ] [Nat]Added 98 Read/Feed constraints in 42 ms returned sat
[2024-05-23 15:00:28] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 84 ms.
[2024-05-23 15:00:29] [INFO ] Added : 2 causal constraints over 1 iterations in 185 ms. Result :sat
Minimization took 281 ms.
[2024-05-23 15:00:29] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 15:00:29] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:00:29] [INFO ] [Real]Added 98 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:00:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:29] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:00:29] [INFO ] [Nat]Added 98 Read/Feed constraints in 42 ms returned sat
[2024-05-23 15:00:30] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 68 ms.
[2024-05-23 15:00:30] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 292 ms.
[2024-05-23 15:00:30] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:30] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:00:30] [INFO ] [Real]Added 98 Read/Feed constraints in 37 ms returned sat
[2024-05-23 15:00:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:31] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:00:31] [INFO ] [Nat]Added 98 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:00:31] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 72 ms.
[2024-05-23 15:00:31] [INFO ] Added : 2 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 281 ms.
[2024-05-23 15:00:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:31] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:00:31] [INFO ] [Real]Added 98 Read/Feed constraints in 41 ms returned sat
[2024-05-23 15:00:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:32] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:00:32] [INFO ] [Nat]Added 98 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:00:32] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 70 ms.
[2024-05-23 15:00:32] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 284 ms.
[2024-05-23 15:00:32] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:32] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:00:32] [INFO ] [Real]Added 98 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:00:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:33] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:00:33] [INFO ] [Nat]Added 98 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:00:33] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 68 ms.
[2024-05-23 15:00:33] [INFO ] Added : 1 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 279 ms.
[2024-05-23 15:00:33] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:33] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:00:33] [INFO ] [Real]Added 98 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:00:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:34] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:00:34] [INFO ] [Nat]Added 98 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:00:34] [INFO ] Computed and/alt/rep : 104/107/84 causal constraints (skipped 690 transitions) in 67 ms.
[2024-05-23 15:00:34] [INFO ] Added : 2 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 279 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 4, 9, 5, 533, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 4, 9, 5, 533, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1337/1337 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 473 transition count 1335
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 473 transition count 1335
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 473 transition count 1333
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 472 transition count 1331
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 472 transition count 1331
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 471 transition count 1329
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 471 transition count 1329
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 470 transition count 1325
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 470 transition count 1325
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 469 transition count 1323
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 469 transition count 1323
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 468 transition count 1321
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 468 transition count 1321
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 467 transition count 1319
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 467 transition count 1319
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 466 transition count 1317
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 466 transition count 1317
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 465 transition count 1315
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 465 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 464 transition count 1313
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 464 transition count 1313
Applied a total of 22 rules in 158 ms. Remains 464 /474 variables (removed 10) and now considering 1313/1337 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 464/474 places, 1313/1337 transitions.
[2024-05-23 15:00:37] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
Found an invariant !
This invariant on transitions {255=1, 381=1, 585=1, 745=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {248=1, 374=1, 706=1, 751=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 8) seen :[0, 0, 5, 0, 1, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 4, 9, 5, 533, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:00:37] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
// Phase 1: matrix 760 rows 464 cols
[2024-05-23 15:00:37] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 4, 9, 5, 533, 10, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2314 ms. (431 steps per ms)
BEST_FIRST walk for 8000007 steps (16 resets) in 4566 ms. (1751 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 4, 9, 5, 1342, 489, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:00:44] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:00:44] [INFO ] Invariant cache hit.
[2024-05-23 15:00:44] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:44] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:00:44] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:00:44] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:00:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:45] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:00:45] [INFO ] [Nat]Added 95 Read/Feed constraints in 44 ms returned sat
[2024-05-23 15:00:45] [INFO ] Deduced a trap composed of 128 places in 247 ms of which 3 ms to minimize.
[2024-05-23 15:00:45] [INFO ] Deduced a trap composed of 129 places in 204 ms of which 3 ms to minimize.
[2024-05-23 15:00:45] [INFO ] Deduced a trap composed of 86 places in 208 ms of which 3 ms to minimize.
[2024-05-23 15:00:46] [INFO ] Deduced a trap composed of 151 places in 193 ms of which 2 ms to minimize.
[2024-05-23 15:00:46] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 971 ms
[2024-05-23 15:00:46] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:00:46] [INFO ] Added : 2 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 281 ms.
[2024-05-23 15:00:46] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:46] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:00:46] [INFO ] [Real]Added 95 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:00:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:47] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2024-05-23 15:00:47] [INFO ] [Nat]Added 95 Read/Feed constraints in 52 ms returned sat
[2024-05-23 15:00:47] [INFO ] Deduced a trap composed of 89 places in 227 ms of which 3 ms to minimize.
[2024-05-23 15:00:47] [INFO ] Deduced a trap composed of 128 places in 195 ms of which 2 ms to minimize.
[2024-05-23 15:00:47] [INFO ] Deduced a trap composed of 129 places in 217 ms of which 3 ms to minimize.
[2024-05-23 15:00:48] [INFO ] Deduced a trap composed of 102 places in 215 ms of which 3 ms to minimize.
[2024-05-23 15:00:48] [INFO ] Deduced a trap composed of 92 places in 214 ms of which 3 ms to minimize.
[2024-05-23 15:00:48] [INFO ] Deduced a trap composed of 90 places in 216 ms of which 3 ms to minimize.
[2024-05-23 15:00:48] [INFO ] Deduced a trap composed of 82 places in 201 ms of which 3 ms to minimize.
[2024-05-23 15:00:48] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1660 ms
[2024-05-23 15:00:48] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 62 ms.
[2024-05-23 15:00:49] [INFO ] Added : 8 causal constraints over 3 iterations in 248 ms. Result :sat
Minimization took 288 ms.
[2024-05-23 15:00:49] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:49] [INFO ] [Real]Absence check using state equation in 176 ms returned sat
[2024-05-23 15:00:49] [INFO ] [Real]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:00:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:49] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:00:49] [INFO ] [Nat]Added 95 Read/Feed constraints in 37 ms returned sat
[2024-05-23 15:00:49] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:00:50] [INFO ] Added : 13 causal constraints over 4 iterations in 272 ms. Result :sat
Minimization took 290 ms.
[2024-05-23 15:00:50] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 15:00:50] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 15:00:50] [INFO ] [Real]Added 95 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:00:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:51] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:00:51] [INFO ] [Nat]Added 95 Read/Feed constraints in 42 ms returned sat
[2024-05-23 15:00:51] [INFO ] Deduced a trap composed of 128 places in 210 ms of which 3 ms to minimize.
[2024-05-23 15:00:51] [INFO ] Deduced a trap composed of 82 places in 233 ms of which 3 ms to minimize.
[2024-05-23 15:00:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 527 ms
[2024-05-23 15:00:51] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:00:51] [INFO ] Added : 12 causal constraints over 4 iterations in 275 ms. Result :sat
Minimization took 289 ms.
[2024-05-23 15:00:52] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:52] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:00:52] [INFO ] [Real]Added 95 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:00:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:52] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:00:52] [INFO ] [Nat]Added 95 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:00:52] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:00:53] [INFO ] Added : 5 causal constraints over 3 iterations in 216 ms. Result :sat
Minimization took 290 ms.
[2024-05-23 15:00:53] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:53] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:00:53] [INFO ] [Real]Added 95 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:00:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:00:53] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:00:53] [INFO ] [Nat]Added 95 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:00:54] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:00:54] [INFO ] Added : 17 causal constraints over 5 iterations in 297 ms. Result :sat
Minimization took 288 ms.
[2024-05-23 15:00:54] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:54] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-23 15:00:54] [INFO ] [Real]Added 95 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:00:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:55] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 15:00:55] [INFO ] [Nat]Added 95 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:00:55] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:00:55] [INFO ] Added : 1 causal constraints over 1 iterations in 158 ms. Result :sat
Minimization took 271 ms.
[2024-05-23 15:00:55] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:55] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2024-05-23 15:00:55] [INFO ] [Real]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:00:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:00:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:00:56] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 15:00:56] [INFO ] [Nat]Added 95 Read/Feed constraints in 21 ms returned sat
[2024-05-23 15:00:56] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:00:56] [INFO ] Added : 5 causal constraints over 2 iterations in 214 ms. Result :sat
Minimization took 274 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 4, 9, 5, 1342, 489, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 4, 9, 5, 1342, 489, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 464 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 49 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 464/464 places, 1313/1313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 64 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
[2024-05-23 15:01:08] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:01:08] [INFO ] Invariant cache hit.
[2024-05-23 15:01:09] [INFO ] Implicit Places using invariants in 504 ms returned []
[2024-05-23 15:01:09] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:01:09] [INFO ] Invariant cache hit.
[2024-05-23 15:01:09] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:01:10] [INFO ] Implicit Places using invariants and state equation in 1307 ms returned []
Implicit Place search using SMT with State Equation took 1848 ms to find 0 implicit places.
[2024-05-23 15:01:10] [INFO ] Redundant transitions in 92 ms returned []
Running 1311 sub problems to find dead transitions.
[2024-05-23 15:01:11] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:01:11] [INFO ] Invariant cache hit.
[2024-05-23 15:01:11] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
[2024-05-23 15:01:27] [INFO ] Deduced a trap composed of 131 places in 162 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 464/1224 variables, and 4 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/464 constraints, ReadFeed: 0/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1311 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/464 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 3 (OVERLAPS) 760/1224 variables, 464/468 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1224 variables, 95/563 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1224 variables, 1311/1874 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1224/1224 variables, and 1874 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 464/464 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
After SMT, in 65382ms problems are : Problem set: 0 solved, 1311 unsolved
Search for dead transitions found 0 dead transitions in 65450ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67496 ms. Remains : 464/464 places, 1313/1313 transitions.
[2024-05-23 15:02:16] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
Found an invariant !
This invariant on transitions {255=1, 381=1, 585=1, 745=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {248=1, 374=1, 706=1, 751=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 8) seen :[0, 0, 0, 5, 0, 0, 4, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 4, 9, 5, 1342, 489, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:02:16] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:02:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 4, 9, 5, 1342, 489, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2323 ms. (430 steps per ms)
BEST_FIRST walk for 8000006 steps (16 resets) in 4609 ms. (1735 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 4, 9, 1540, 1342, 497, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:02:23] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:02:23] [INFO ] Invariant cache hit.
[2024-05-23 15:02:23] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:23] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2024-05-23 15:02:24] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:02:24] [INFO ] [Real]Added 95 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:02:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:24] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:02:24] [INFO ] [Nat]Added 95 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:02:24] [INFO ] Deduced a trap composed of 128 places in 250 ms of which 3 ms to minimize.
[2024-05-23 15:02:24] [INFO ] Deduced a trap composed of 129 places in 207 ms of which 3 ms to minimize.
[2024-05-23 15:02:25] [INFO ] Deduced a trap composed of 86 places in 209 ms of which 3 ms to minimize.
[2024-05-23 15:02:25] [INFO ] Deduced a trap composed of 151 places in 198 ms of which 3 ms to minimize.
[2024-05-23 15:02:25] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1000 ms
[2024-05-23 15:02:25] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:02:25] [INFO ] Added : 2 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 256 ms.
[2024-05-23 15:02:25] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:25] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:02:26] [INFO ] [Real]Added 95 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:02:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:26] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:02:26] [INFO ] [Nat]Added 95 Read/Feed constraints in 52 ms returned sat
[2024-05-23 15:02:26] [INFO ] Deduced a trap composed of 89 places in 228 ms of which 3 ms to minimize.
[2024-05-23 15:02:26] [INFO ] Deduced a trap composed of 128 places in 224 ms of which 3 ms to minimize.
[2024-05-23 15:02:27] [INFO ] Deduced a trap composed of 129 places in 210 ms of which 2 ms to minimize.
[2024-05-23 15:02:27] [INFO ] Deduced a trap composed of 102 places in 205 ms of which 3 ms to minimize.
[2024-05-23 15:02:27] [INFO ] Deduced a trap composed of 92 places in 217 ms of which 3 ms to minimize.
[2024-05-23 15:02:27] [INFO ] Deduced a trap composed of 90 places in 211 ms of which 2 ms to minimize.
[2024-05-23 15:02:27] [INFO ] Deduced a trap composed of 82 places in 215 ms of which 3 ms to minimize.
[2024-05-23 15:02:28] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1711 ms
[2024-05-23 15:02:28] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:02:28] [INFO ] Added : 8 causal constraints over 3 iterations in 235 ms. Result :sat
Minimization took 265 ms.
[2024-05-23 15:02:28] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:28] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:02:28] [INFO ] [Real]Added 95 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:02:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:29] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:02:29] [INFO ] [Nat]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:02:29] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 67 ms.
[2024-05-23 15:02:29] [INFO ] Added : 13 causal constraints over 4 iterations in 267 ms. Result :sat
Minimization took 256 ms.
[2024-05-23 15:02:29] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:29] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:02:29] [INFO ] [Real]Added 95 Read/Feed constraints in 62 ms returned sat
[2024-05-23 15:02:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:30] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2024-05-23 15:02:30] [INFO ] [Nat]Added 95 Read/Feed constraints in 40 ms returned sat
[2024-05-23 15:02:30] [INFO ] Deduced a trap composed of 128 places in 219 ms of which 3 ms to minimize.
[2024-05-23 15:02:30] [INFO ] Deduced a trap composed of 82 places in 237 ms of which 3 ms to minimize.
[2024-05-23 15:02:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 530 ms
[2024-05-23 15:02:30] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:02:31] [INFO ] Added : 12 causal constraints over 4 iterations in 273 ms. Result :sat
Minimization took 260 ms.
[2024-05-23 15:02:31] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 15:02:31] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2024-05-23 15:02:31] [INFO ] [Real]Added 95 Read/Feed constraints in 35 ms returned sat
[2024-05-23 15:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:31] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:02:31] [INFO ] [Nat]Added 95 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:02:32] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:02:32] [INFO ] Added : 5 causal constraints over 3 iterations in 213 ms. Result :sat
Minimization took 265 ms.
[2024-05-23 15:02:32] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:32] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:02:32] [INFO ] [Real]Added 95 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:02:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:33] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:02:33] [INFO ] [Nat]Added 95 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:02:33] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:02:33] [INFO ] Added : 17 causal constraints over 5 iterations in 298 ms. Result :sat
Minimization took 264 ms.
[2024-05-23 15:02:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:33] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:02:33] [INFO ] [Real]Added 95 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:02:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:02:34] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:02:34] [INFO ] [Nat]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:02:34] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:02:34] [INFO ] Added : 1 causal constraints over 1 iterations in 155 ms. Result :sat
Minimization took 250 ms.
[2024-05-23 15:02:34] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:02:34] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:02:34] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:02:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:02:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 15:02:35] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:02:35] [INFO ] [Nat]Added 95 Read/Feed constraints in 20 ms returned sat
[2024-05-23 15:02:35] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:02:35] [INFO ] Added : 5 causal constraints over 2 iterations in 212 ms. Result :sat
Minimization took 255 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 4, 9, 1540, 1342, 497, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 4, 9, 1540, 1342, 497, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 464 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 50 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 464/464 places, 1313/1313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 66 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
[2024-05-23 15:02:52] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:02:52] [INFO ] Invariant cache hit.
[2024-05-23 15:02:52] [INFO ] Implicit Places using invariants in 498 ms returned []
[2024-05-23 15:02:52] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:02:52] [INFO ] Invariant cache hit.
[2024-05-23 15:02:53] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:02:54] [INFO ] Implicit Places using invariants and state equation in 1355 ms returned []
Implicit Place search using SMT with State Equation took 1875 ms to find 0 implicit places.
[2024-05-23 15:02:54] [INFO ] Redundant transitions in 33 ms returned []
Running 1311 sub problems to find dead transitions.
[2024-05-23 15:02:54] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:02:54] [INFO ] Invariant cache hit.
[2024-05-23 15:02:54] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
[2024-05-23 15:03:10] [INFO ] Deduced a trap composed of 131 places in 161 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 464/1224 variables, and 4 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/464 constraints, ReadFeed: 0/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1311 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/464 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 3 (OVERLAPS) 760/1224 variables, 464/468 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1224 variables, 95/563 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1224 variables, 1311/1874 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1224/1224 variables, and 1874 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 464/464 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
After SMT, in 64563ms problems are : Problem set: 0 solved, 1311 unsolved
Search for dead transitions found 0 dead transitions in 64575ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66583 ms. Remains : 464/464 places, 1313/1313 transitions.
[2024-05-23 15:03:58] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
Found an invariant !
This invariant on transitions {255=1, 381=1, 585=1, 745=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {248=1, 374=1, 706=1, 751=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 8) seen :[0, 0, 0, 4, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 4, 9, 1540, 1342, 497, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:03:59] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:03:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 4, 9, 1540, 1342, 497, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2369 ms. (421 steps per ms)
BEST_FIRST walk for 8000005 steps (16 resets) in 4876 ms. (1640 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 4, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:04:06] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:04:06] [INFO ] Invariant cache hit.
[2024-05-23 15:04:06] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:06] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:04:06] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:04:06] [INFO ] [Real]Added 95 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:04:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:07] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:04:07] [INFO ] [Nat]Added 95 Read/Feed constraints in 45 ms returned sat
[2024-05-23 15:04:07] [INFO ] Deduced a trap composed of 128 places in 216 ms of which 3 ms to minimize.
[2024-05-23 15:04:07] [INFO ] Deduced a trap composed of 129 places in 205 ms of which 3 ms to minimize.
[2024-05-23 15:04:07] [INFO ] Deduced a trap composed of 86 places in 210 ms of which 3 ms to minimize.
[2024-05-23 15:04:08] [INFO ] Deduced a trap composed of 151 places in 184 ms of which 3 ms to minimize.
[2024-05-23 15:04:08] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 952 ms
[2024-05-23 15:04:08] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 69 ms.
[2024-05-23 15:04:08] [INFO ] Added : 2 causal constraints over 1 iterations in 170 ms. Result :sat
Minimization took 293 ms.
[2024-05-23 15:04:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:08] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:04:08] [INFO ] [Real]Added 95 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:04:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:09] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:04:09] [INFO ] [Nat]Added 95 Read/Feed constraints in 53 ms returned sat
[2024-05-23 15:04:09] [INFO ] Deduced a trap composed of 89 places in 223 ms of which 2 ms to minimize.
[2024-05-23 15:04:09] [INFO ] Deduced a trap composed of 128 places in 207 ms of which 3 ms to minimize.
[2024-05-23 15:04:09] [INFO ] Deduced a trap composed of 129 places in 202 ms of which 3 ms to minimize.
[2024-05-23 15:04:10] [INFO ] Deduced a trap composed of 102 places in 206 ms of which 3 ms to minimize.
[2024-05-23 15:04:10] [INFO ] Deduced a trap composed of 92 places in 205 ms of which 3 ms to minimize.
[2024-05-23 15:04:10] [INFO ] Deduced a trap composed of 90 places in 197 ms of which 3 ms to minimize.
[2024-05-23 15:04:10] [INFO ] Deduced a trap composed of 82 places in 194 ms of which 4 ms to minimize.
[2024-05-23 15:04:10] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1634 ms
[2024-05-23 15:04:10] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 82 ms.
[2024-05-23 15:04:11] [INFO ] Added : 8 causal constraints over 3 iterations in 267 ms. Result :sat
Minimization took 280 ms.
[2024-05-23 15:04:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:11] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:04:11] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:04:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:11] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 15:04:11] [INFO ] [Nat]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:04:12] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 73 ms.
[2024-05-23 15:04:12] [INFO ] Added : 13 causal constraints over 4 iterations in 281 ms. Result :sat
Minimization took 276 ms.
[2024-05-23 15:04:12] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:12] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-23 15:04:12] [INFO ] [Real]Added 95 Read/Feed constraints in 64 ms returned sat
[2024-05-23 15:04:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:13] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:04:13] [INFO ] [Nat]Added 95 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:04:13] [INFO ] Deduced a trap composed of 128 places in 220 ms of which 3 ms to minimize.
[2024-05-23 15:04:13] [INFO ] Deduced a trap composed of 82 places in 201 ms of which 3 ms to minimize.
[2024-05-23 15:04:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 491 ms
[2024-05-23 15:04:13] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 69 ms.
[2024-05-23 15:04:13] [INFO ] Added : 12 causal constraints over 4 iterations in 278 ms. Result :sat
Minimization took 287 ms.
[2024-05-23 15:04:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:14] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:04:14] [INFO ] [Real]Added 95 Read/Feed constraints in 33 ms returned sat
[2024-05-23 15:04:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:14] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:04:14] [INFO ] [Nat]Added 95 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:04:14] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 70 ms.
[2024-05-23 15:04:15] [INFO ] Added : 5 causal constraints over 3 iterations in 237 ms. Result :sat
Minimization took 298 ms.
[2024-05-23 15:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:15] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 15:04:15] [INFO ] [Real]Added 95 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:04:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:15] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:04:15] [INFO ] [Nat]Added 95 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:04:16] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 70 ms.
[2024-05-23 15:04:16] [INFO ] Added : 17 causal constraints over 5 iterations in 319 ms. Result :sat
Minimization took 291 ms.
[2024-05-23 15:04:16] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:16] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-23 15:04:16] [INFO ] [Real]Added 95 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:04:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:04:17] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:04:17] [INFO ] [Nat]Added 95 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:04:17] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 68 ms.
[2024-05-23 15:04:17] [INFO ] Added : 1 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 263 ms.
[2024-05-23 15:04:17] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:17] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:04:17] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:04:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:04:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:04:18] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:04:18] [INFO ] [Nat]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:04:18] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 69 ms.
[2024-05-23 15:04:18] [INFO ] Added : 5 causal constraints over 2 iterations in 235 ms. Result :sat
Minimization took 271 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 4, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 5, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 464 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 49 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 464/464 places, 1313/1313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 47 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
[2024-05-23 15:04:35] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:04:35] [INFO ] Invariant cache hit.
[2024-05-23 15:04:35] [INFO ] Implicit Places using invariants in 345 ms returned []
[2024-05-23 15:04:35] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:04:35] [INFO ] Invariant cache hit.
[2024-05-23 15:04:36] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:04:37] [INFO ] Implicit Places using invariants and state equation in 1331 ms returned []
Implicit Place search using SMT with State Equation took 1700 ms to find 0 implicit places.
[2024-05-23 15:04:37] [INFO ] Redundant transitions in 17 ms returned []
Running 1311 sub problems to find dead transitions.
[2024-05-23 15:04:37] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:04:37] [INFO ] Invariant cache hit.
[2024-05-23 15:04:37] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
[2024-05-23 15:04:52] [INFO ] Deduced a trap composed of 131 places in 155 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 464/1224 variables, and 4 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/464 constraints, ReadFeed: 0/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1311 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/464 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 3 (OVERLAPS) 760/1224 variables, 464/468 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1224 variables, 95/563 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1224 variables, 1311/1874 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1224/1224 variables, and 1874 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 464/464 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
After SMT, in 64742ms problems are : Problem set: 0 solved, 1311 unsolved
Search for dead transitions found 0 dead transitions in 64757ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66554 ms. Remains : 464/464 places, 1313/1313 transitions.
[2024-05-23 15:05:42] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
Found an invariant !
This invariant on transitions {255=1, 381=1, 585=1, 745=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {248=1, 374=1, 706=1, 751=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 8) seen :[0, 0, 0, 0, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 5, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:05:42] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:05:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 5, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2355 ms. (424 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 4586 ms. (1744 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1442, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:05:49] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:05:49] [INFO ] Invariant cache hit.
[2024-05-23 15:05:49] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:49] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:05:49] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:05:49] [INFO ] [Real]Added 95 Read/Feed constraints in 26 ms returned sat
[2024-05-23 15:05:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:49] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:05:49] [INFO ] [Nat]Added 95 Read/Feed constraints in 44 ms returned sat
[2024-05-23 15:05:50] [INFO ] Deduced a trap composed of 128 places in 223 ms of which 3 ms to minimize.
[2024-05-23 15:05:50] [INFO ] Deduced a trap composed of 129 places in 236 ms of which 4 ms to minimize.
[2024-05-23 15:05:50] [INFO ] Deduced a trap composed of 86 places in 226 ms of which 3 ms to minimize.
[2024-05-23 15:05:50] [INFO ] Deduced a trap composed of 151 places in 199 ms of which 3 ms to minimize.
[2024-05-23 15:05:50] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 992 ms
[2024-05-23 15:05:50] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:05:50] [INFO ] Added : 2 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 285 ms.
[2024-05-23 15:05:51] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:51] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-23 15:05:51] [INFO ] [Real]Added 95 Read/Feed constraints in 50 ms returned sat
[2024-05-23 15:05:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:05:51] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:05:51] [INFO ] [Nat]Added 95 Read/Feed constraints in 68 ms returned sat
[2024-05-23 15:05:52] [INFO ] Deduced a trap composed of 89 places in 207 ms of which 3 ms to minimize.
[2024-05-23 15:05:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
[2024-05-23 15:05:52] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 72 ms.
[2024-05-23 15:05:52] [INFO ] Added : 8 causal constraints over 3 iterations in 259 ms. Result :sat
Minimization took 283 ms.
[2024-05-23 15:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:52] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:05:53] [INFO ] [Real]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:05:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:53] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-23 15:05:53] [INFO ] [Nat]Added 95 Read/Feed constraints in 21 ms returned sat
[2024-05-23 15:05:53] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:05:53] [INFO ] Added : 13 causal constraints over 4 iterations in 262 ms. Result :sat
Minimization took 274 ms.
[2024-05-23 15:05:53] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:05:54] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:05:54] [INFO ] [Real]Added 95 Read/Feed constraints in 66 ms returned sat
[2024-05-23 15:05:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:54] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:05:54] [INFO ] [Nat]Added 95 Read/Feed constraints in 40 ms returned sat
[2024-05-23 15:05:54] [INFO ] Deduced a trap composed of 128 places in 215 ms of which 3 ms to minimize.
[2024-05-23 15:05:54] [INFO ] Deduced a trap composed of 82 places in 203 ms of which 11 ms to minimize.
[2024-05-23 15:05:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 480 ms
[2024-05-23 15:05:55] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 103 ms.
[2024-05-23 15:05:55] [INFO ] Added : 12 causal constraints over 4 iterations in 312 ms. Result :sat
Minimization took 278 ms.
[2024-05-23 15:05:55] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:55] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:05:55] [INFO ] [Real]Added 95 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:05:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:56] [INFO ] [Nat]Absence check using state equation in 185 ms returned sat
[2024-05-23 15:05:56] [INFO ] [Nat]Added 95 Read/Feed constraints in 33 ms returned sat
[2024-05-23 15:05:56] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:05:56] [INFO ] Added : 5 causal constraints over 3 iterations in 232 ms. Result :sat
Minimization took 279 ms.
[2024-05-23 15:05:56] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:56] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:05:56] [INFO ] [Real]Added 95 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:05:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:57] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:05:57] [INFO ] [Nat]Added 95 Read/Feed constraints in 26 ms returned sat
[2024-05-23 15:05:57] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:05:57] [INFO ] Added : 17 causal constraints over 5 iterations in 289 ms. Result :sat
Minimization took 279 ms.
[2024-05-23 15:05:57] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:58] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:05:58] [INFO ] [Real]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:05:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:58] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:05:58] [INFO ] [Nat]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:05:58] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:05:58] [INFO ] Added : 1 causal constraints over 1 iterations in 152 ms. Result :sat
Minimization took 266 ms.
[2024-05-23 15:05:58] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:59] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-23 15:05:59] [INFO ] [Real]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:05:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:05:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:05:59] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:05:59] [INFO ] [Nat]Added 95 Read/Feed constraints in 20 ms returned sat
[2024-05-23 15:05:59] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 64 ms.
[2024-05-23 15:05:59] [INFO ] Added : 5 causal constraints over 2 iterations in 212 ms. Result :sat
Minimization took 280 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1442, 9, 1550, 1342, 505, 6, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1442, 9, 1550, 1342, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 464 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 51 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 464/464 places, 1313/1313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Applied a total of 0 rules in 49 ms. Remains 464 /464 variables (removed 0) and now considering 1313/1313 (removed 0) transitions.
[2024-05-23 15:06:21] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:06:21] [INFO ] Invariant cache hit.
[2024-05-23 15:06:22] [INFO ] Implicit Places using invariants in 392 ms returned []
[2024-05-23 15:06:22] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:06:22] [INFO ] Invariant cache hit.
[2024-05-23 15:06:22] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:06:23] [INFO ] Implicit Places using invariants and state equation in 1380 ms returned []
Implicit Place search using SMT with State Equation took 1791 ms to find 0 implicit places.
[2024-05-23 15:06:23] [INFO ] Redundant transitions in 17 ms returned []
Running 1311 sub problems to find dead transitions.
[2024-05-23 15:06:23] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:06:23] [INFO ] Invariant cache hit.
[2024-05-23 15:06:23] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
[2024-05-23 15:06:38] [INFO ] Deduced a trap composed of 131 places in 157 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 464/1224 variables, and 4 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/464 constraints, ReadFeed: 0/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1311 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/464 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 3 (OVERLAPS) 760/1224 variables, 464/468 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1224 variables, 95/563 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1224 variables, 1311/1874 constraints. Problems are: Problem set: 0 solved, 1311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1224/1224 variables, and 1874 constraints, problems are : Problem set: 0 solved, 1311 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 464/464 constraints, ReadFeed: 95/95 constraints, PredecessorRefiner: 1311/1311 constraints, Known Traps: 1/1 constraints]
After SMT, in 64723ms problems are : Problem set: 0 solved, 1311 unsolved
Search for dead transitions found 0 dead transitions in 64733ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66600 ms. Remains : 464/464 places, 1313/1313 transitions.
[2024-05-23 15:07:28] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
Found an invariant !
This invariant on transitions {255=1, 381=1, 585=1, 745=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {248=1, 374=1, 706=1, 751=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 8) seen :[0, 0, 5, 0, 2147483647, 2, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 1442, 9, 1550, +inf, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:07:28] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:07:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1442, 9, 1550, +inf, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2327 ms. (429 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 3983 ms. (1757 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:07:35] [INFO ] Flow matrix only has 760 transitions (discarded 553 similar events)
[2024-05-23 15:07:35] [INFO ] Invariant cache hit.
[2024-05-23 15:07:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:35] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:07:35] [INFO ] State equation strengthened by 95 read => feed constraints.
[2024-05-23 15:07:35] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:07:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2024-05-23 15:07:35] [INFO ] [Nat]Absence check using state equation in 218 ms returned sat
[2024-05-23 15:07:35] [INFO ] [Nat]Added 95 Read/Feed constraints in 45 ms returned sat
[2024-05-23 15:07:35] [INFO ] Deduced a trap composed of 128 places in 215 ms of which 3 ms to minimize.
[2024-05-23 15:07:36] [INFO ] Deduced a trap composed of 129 places in 211 ms of which 3 ms to minimize.
[2024-05-23 15:07:36] [INFO ] Deduced a trap composed of 86 places in 210 ms of which 3 ms to minimize.
[2024-05-23 15:07:36] [INFO ] Deduced a trap composed of 151 places in 195 ms of which 3 ms to minimize.
[2024-05-23 15:07:36] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 952 ms
[2024-05-23 15:07:36] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 65 ms.
[2024-05-23 15:07:36] [INFO ] Added : 2 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 260 ms.
[2024-05-23 15:07:37] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:37] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:07:37] [INFO ] [Real]Added 95 Read/Feed constraints in 51 ms returned sat
[2024-05-23 15:07:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:37] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:07:37] [INFO ] [Nat]Added 95 Read/Feed constraints in 52 ms returned sat
[2024-05-23 15:07:37] [INFO ] Deduced a trap composed of 89 places in 199 ms of which 3 ms to minimize.
[2024-05-23 15:07:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2024-05-23 15:07:37] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 69 ms.
[2024-05-23 15:07:38] [INFO ] Added : 8 causal constraints over 3 iterations in 262 ms. Result :sat
Minimization took 256 ms.
[2024-05-23 15:07:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:38] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-23 15:07:38] [INFO ] [Real]Added 95 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:07:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:07:38] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-23 15:07:39] [INFO ] [Nat]Added 95 Read/Feed constraints in 21 ms returned sat
[2024-05-23 15:07:39] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 66 ms.
[2024-05-23 15:07:39] [INFO ] Added : 13 causal constraints over 4 iterations in 266 ms. Result :sat
Minimization took 261 ms.
[2024-05-23 15:07:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:39] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:07:39] [INFO ] [Real]Added 95 Read/Feed constraints in 61 ms returned sat
[2024-05-23 15:07:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:40] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-23 15:07:40] [INFO ] [Nat]Added 95 Read/Feed constraints in 47 ms returned sat
[2024-05-23 15:07:40] [INFO ] Deduced a trap composed of 128 places in 202 ms of which 3 ms to minimize.
[2024-05-23 15:07:40] [INFO ] Deduced a trap composed of 82 places in 213 ms of which 3 ms to minimize.
[2024-05-23 15:07:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 487 ms
[2024-05-23 15:07:40] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 80 ms.
[2024-05-23 15:07:40] [INFO ] Added : 12 causal constraints over 4 iterations in 310 ms. Result :sat
Minimization took 266 ms.
[2024-05-23 15:07:41] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:07:41] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-05-23 15:07:41] [INFO ] [Real]Added 95 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:07:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:41] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:07:41] [INFO ] [Nat]Added 95 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:07:41] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 74 ms.
[2024-05-23 15:07:42] [INFO ] Added : 17 causal constraints over 5 iterations in 312 ms. Result :sat
Minimization took 291 ms.
[2024-05-23 15:07:42] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:07:42] [INFO ] [Real]Absence check using state equation in 166 ms returned sat
[2024-05-23 15:07:42] [INFO ] [Real]Added 95 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:07:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:43] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2024-05-23 15:07:43] [INFO ] [Nat]Added 95 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:07:43] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 78 ms.
[2024-05-23 15:07:43] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 269 ms.
[2024-05-23 15:07:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:07:43] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:07:43] [INFO ] [Real]Added 95 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:07:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:07:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:07:44] [INFO ] [Nat]Absence check using state equation in 172 ms returned sat
[2024-05-23 15:07:44] [INFO ] [Nat]Added 95 Read/Feed constraints in 29 ms returned sat
[2024-05-23 15:07:44] [INFO ] Computed and/alt/rep : 111/242/98 causal constraints (skipped 660 transitions) in 78 ms.
[2024-05-23 15:07:44] [INFO ] Added : 5 causal constraints over 2 iterations in 239 ms. Result :sat
Minimization took 273 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 464 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 464/464 places, 1313/1313 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 463 transition count 1311
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 463 transition count 1311
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 463 transition count 1309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 462 transition count 1307
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 462 transition count 1307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 461 transition count 1305
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 461 transition count 1305
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 460 transition count 1301
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 460 transition count 1301
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 459 transition count 1299
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 459 transition count 1299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 458 transition count 1297
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 458 transition count 1297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 457 transition count 1295
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 457 transition count 1295
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 456 transition count 1293
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 456 transition count 1293
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 455 transition count 1291
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 455 transition count 1291
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 454 transition count 1289
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 454 transition count 1289
Applied a total of 22 rules in 146 ms. Remains 454 /464 variables (removed 10) and now considering 1289/1313 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 454/464 places, 1289/1313 transitions.
[2024-05-23 15:08:01] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
Found an invariant !
This invariant on transitions {210=1, 258=1, 265=1, 326=1, 529=1, 728=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {215=1, 331=1, 534=1, 727=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 7) seen :[0, 0, 0, 0, 2, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:08:02] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:08:02] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (2 resets) in 2381 ms. (419 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 4153 ms. (1685 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 15:08:08] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:08:08] [INFO ] Invariant cache hit.
[2024-05-23 15:08:08] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:09] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-23 15:08:09] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:08:09] [INFO ] [Real]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-23 15:08:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:09] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-23 15:08:09] [INFO ] [Nat]Added 92 Read/Feed constraints in 66 ms returned sat
[2024-05-23 15:08:09] [INFO ] Deduced a trap composed of 179 places in 212 ms of which 3 ms to minimize.
[2024-05-23 15:08:09] [INFO ] Deduced a trap composed of 165 places in 206 ms of which 3 ms to minimize.
[2024-05-23 15:08:10] [INFO ] Deduced a trap composed of 149 places in 198 ms of which 3 ms to minimize.
[2024-05-23 15:08:10] [INFO ] Deduced a trap composed of 142 places in 191 ms of which 3 ms to minimize.
[2024-05-23 15:08:10] [INFO ] Deduced a trap composed of 141 places in 188 ms of which 3 ms to minimize.
[2024-05-23 15:08:10] [INFO ] Deduced a trap composed of 131 places in 168 ms of which 3 ms to minimize.
[2024-05-23 15:08:10] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1349 ms
[2024-05-23 15:08:10] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 76 ms.
[2024-05-23 15:08:10] [INFO ] Added : 2 causal constraints over 1 iterations in 171 ms. Result :sat
Minimization took 284 ms.
[2024-05-23 15:08:11] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:11] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-23 15:08:11] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:08:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:11] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:08:11] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:08:11] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 71 ms.
[2024-05-23 15:08:12] [INFO ] Added : 12 causal constraints over 4 iterations in 275 ms. Result :sat
Minimization took 313 ms.
[2024-05-23 15:08:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:12] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-23 15:08:12] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-23 15:08:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:13] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:08:13] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:08:13] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 75 ms.
[2024-05-23 15:08:13] [INFO ] Added : 3 causal constraints over 1 iterations in 178 ms. Result :sat
Minimization took 301 ms.
[2024-05-23 15:08:13] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:13] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-23 15:08:13] [INFO ] [Real]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:08:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:14] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:08:14] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:08:14] [INFO ] Deduced a trap composed of 87 places in 206 ms of which 3 ms to minimize.
[2024-05-23 15:08:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 260 ms
[2024-05-23 15:08:14] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 72 ms.
[2024-05-23 15:08:14] [INFO ] Added : 14 causal constraints over 4 iterations in 276 ms. Result :sat
Minimization took 266 ms.
[2024-05-23 15:08:15] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:15] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:08:15] [INFO ] [Real]Added 92 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:08:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:15] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 15:08:15] [INFO ] [Nat]Added 92 Read/Feed constraints in 38 ms returned sat
[2024-05-23 15:08:15] [INFO ] Deduced a trap composed of 109 places in 212 ms of which 3 ms to minimize.
[2024-05-23 15:08:15] [INFO ] Deduced a trap composed of 102 places in 211 ms of which 3 ms to minimize.
[2024-05-23 15:08:16] [INFO ] Deduced a trap composed of 76 places in 204 ms of which 2 ms to minimize.
[2024-05-23 15:08:16] [INFO ] Deduced a trap composed of 75 places in 204 ms of which 3 ms to minimize.
[2024-05-23 15:08:16] [INFO ] Deduced a trap composed of 120 places in 208 ms of which 3 ms to minimize.
[2024-05-23 15:08:16] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1191 ms
[2024-05-23 15:08:16] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 65 ms.
[2024-05-23 15:08:16] [INFO ] Added : 7 causal constraints over 3 iterations in 233 ms. Result :sat
Minimization took 276 ms.
[2024-05-23 15:08:17] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:17] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:08:17] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:08:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:17] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-23 15:08:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-23 15:08:17] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 66 ms.
[2024-05-23 15:08:17] [INFO ] Added : 1 causal constraints over 1 iterations in 154 ms. Result :sat
Minimization took 259 ms.
[2024-05-23 15:08:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:08:18] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-23 15:08:18] [INFO ] [Real]Added 92 Read/Feed constraints in 35 ms returned sat
[2024-05-23 15:08:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:08:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:08:18] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2024-05-23 15:08:18] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:08:19] [INFO ] Deduced a trap composed of 109 places in 205 ms of which 4 ms to minimize.
[2024-05-23 15:08:19] [INFO ] Deduced a trap composed of 102 places in 200 ms of which 3 ms to minimize.
[2024-05-23 15:08:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 498 ms
[2024-05-23 15:08:19] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 73 ms.
[2024-05-23 15:08:19] [INFO ] Added : 20 causal constraints over 5 iterations in 299 ms. Result :sat
Minimization took 325 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Applied a total of 0 rules in 53 ms. Remains 454 /454 variables (removed 0) and now considering 1289/1289 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 454/454 places, 1289/1289 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Applied a total of 0 rules in 53 ms. Remains 454 /454 variables (removed 0) and now considering 1289/1289 (removed 0) transitions.
[2024-05-23 15:08:20] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:08:20] [INFO ] Invariant cache hit.
[2024-05-23 15:08:20] [INFO ] Implicit Places using invariants in 344 ms returned []
[2024-05-23 15:08:20] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:08:20] [INFO ] Invariant cache hit.
[2024-05-23 15:08:20] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:08:21] [INFO ] Implicit Places using invariants and state equation in 1386 ms returned []
Implicit Place search using SMT with State Equation took 1734 ms to find 0 implicit places.
[2024-05-23 15:08:21] [INFO ] Redundant transitions in 17 ms returned []
Running 1287 sub problems to find dead transitions.
[2024-05-23 15:08:21] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:08:21] [INFO ] Invariant cache hit.
[2024-05-23 15:08:21] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
[2024-05-23 15:08:36] [INFO ] Deduced a trap composed of 131 places in 150 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1198 variables, and 4 constraints, problems are : Problem set: 0 solved, 1287 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/454 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1287/1287 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1287 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 3 (OVERLAPS) 744/1198 variables, 454/458 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1198 variables, 92/550 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1198 variables, 1287/1837 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1198/1198 variables, and 1837 constraints, problems are : Problem set: 0 solved, 1287 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 454/454 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 1287/1287 constraints, Known Traps: 1/1 constraints]
After SMT, in 63837ms problems are : Problem set: 0 solved, 1287 unsolved
Search for dead transitions found 0 dead transitions in 63848ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65663 ms. Remains : 454/454 places, 1289/1289 transitions.
[2024-05-23 15:09:25] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
Found an invariant !
This invariant on transitions {210=1, 258=1, 265=1, 326=1, 529=1, 728=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {215=1, 331=1, 534=1, 727=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 7) seen :[0, 3, 0, 0, 2, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 1754 ms. (22 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 149 ms. (266 steps per ms) remains 7/7 properties
[2024-05-23 15:09:26] [INFO ] Flatten gal took : 292 ms
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 132 ms. (300 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 100 ms. (396 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 6/6 properties
[2024-05-23 15:09:26] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:09:26] [INFO ] Invariant cache hit.
[2024-05-23 15:09:26] [INFO ] Flatten gal took : 169 ms
[2024-05-23 15:09:26] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 17/23 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-23 15:09:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4282060773325791938.gal : 49 ms
[2024-05-23 15:09:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15353021923862705788.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4282060773325791938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15353021923862705788.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
At refinement iteration 3 (OVERLAPS) 398/421 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/421 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/421 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/421 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 12/433 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/433 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality15353021923862705788.prop.
At refinement iteration 9 (INCLUDED_ONLY) 0/433 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 634/1067 variables, 358/389 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1067 variables, 89/478 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1067 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 62/1129 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1129 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 27
At refinement iteration 15 (OVERLAPS) 69/1198 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1198 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :27 after 1029
At refinement iteration 17 (OVERLAPS) 0/1198 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1198/1198 variables, and 549 constraints, problems are : Problem set: 0 solved, 6 unsolved in 696 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 454/454 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 17/23 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 398/421 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/421 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/421 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/421 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/421 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 12/433 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/433 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/433 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 634/1067 variables, 358/394 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1067 variables, 89/483 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1067 variables, 1/484 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1067 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 62/1129 variables, 1/485 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :1029 after 18337
[2024-05-23 15:09:28] [INFO ] Deduced a trap composed of 135 places in 160 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1129 variables, 1/486 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1129 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 69/1198 variables, 70/556 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1198 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (OVERLAPS) 0/1198 variables, 0/556 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1198/1198 variables, and 556 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1270 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 454/454 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
After SMT, in 1994ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :18337 after 47976
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :47976 after 60479
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :60479 after 66772
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :66772 after 78381
Invariant property MIN0 does not hold.
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :78381 after 85483
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :85483 after 87254
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :87254 after 92854
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :92854 after 108239
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :108239 after 194482
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :194482 after 1.13963e+06
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :1.13963e+06 after 1.36481e+07
Parikh walk visited 1 properties in 30001 ms.
Support contains 5 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 450 transition count 1282
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 450 transition count 1282
Applied a total of 8 rules in 69 ms. Remains 450 /454 variables (removed 4) and now considering 1282/1289 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 450/454 places, 1282/1289 transitions.
RANDOM walk for 40001 steps (8 resets) in 237 ms. (168 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 89 ms. (444 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 93 ms. (425 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 89 ms. (444 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 236033 steps, run timeout after 3001 ms. (steps per millisecond=78 ) properties seen :0 out of 5
Probabilistic random walk after 236033 steps, saw 144746 distinct states, run finished after 3005 ms. (steps per millisecond=78 ) properties seen :0
[2024-05-23 15:10:02] [INFO ] Flow matrix only has 736 transitions (discarded 546 similar events)
// Phase 1: matrix 736 rows 450 cols
[2024-05-23 15:10:02] [INFO ] Computed 3 invariants in 3 ms
[2024-05-23 15:10:02] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 391/409 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/409 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/409 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 14/423 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 632/1055 variables, 357/384 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1055 variables, 85/469 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1055 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 62/1117 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1117 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 69/1186 variables, 70/540 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1186 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 0/1186 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1186/1186 variables, and 540 constraints, problems are : Problem set: 0 solved, 5 unsolved in 527 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 450/450 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 391/409 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/409 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/409 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/409 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 14/423 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 632/1055 variables, 357/389 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1055 variables, 85/474 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :1.36481e+07 after 1.9478e+08
At refinement iteration 12 (INCLUDED_ONLY) 0/1055 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 62/1117 variables, 1/475 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1117 variables, 0/475 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 69/1186 variables, 70/545 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1186 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/1186 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1186/1186 variables, and 545 constraints, problems are : Problem set: 0 solved, 5 unsolved in 665 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 450/450 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 1212ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Detected timeout of ITS tools.
[2024-05-23 15:10:17] [INFO ] Flatten gal took : 59 ms
[2024-05-23 15:10:17] [INFO ] Applying decomposition
[2024-05-23 15:10:17] [INFO ] Flatten gal took : 52 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph9082874391964583328.txt' '-o' '/tmp/graph9082874391964583328.bin' '-w' '/tmp/graph9082874391964583328.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph9082874391964583328.bin' '-l' '-1' '-v' '-w' '/tmp/graph9082874391964583328.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:10:17] [INFO ] Decomposing Gal with order
[2024-05-23 15:10:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:10:17] [INFO ] Removed a total of 2215 redundant transitions.
[2024-05-23 15:10:17] [INFO ] Flatten gal took : 226 ms
[2024-05-23 15:10:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 921 labels/synchronizations in 178 ms.
[2024-05-23 15:10:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12716440565062098907.gal : 44 ms
[2024-05-23 15:10:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17847902482732085127.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12716440565062098907.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17847902482732085127.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality17847902482732085127.prop.
Parikh walk visited 0 properties in 30000 ms.
Support contains 5 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1282/1282 transitions.
Applied a total of 0 rules in 53 ms. Remains 450 /450 variables (removed 0) and now considering 1282/1282 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 450/450 places, 1282/1282 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1282/1282 transitions.
Applied a total of 0 rules in 50 ms. Remains 450 /450 variables (removed 0) and now considering 1282/1282 (removed 0) transitions.
[2024-05-23 15:10:33] [INFO ] Flow matrix only has 736 transitions (discarded 546 similar events)
[2024-05-23 15:10:33] [INFO ] Invariant cache hit.
[2024-05-23 15:10:33] [INFO ] Implicit Places using invariants in 340 ms returned []
[2024-05-23 15:10:33] [INFO ] Flow matrix only has 736 transitions (discarded 546 similar events)
[2024-05-23 15:10:33] [INFO ] Invariant cache hit.
[2024-05-23 15:10:34] [INFO ] State equation strengthened by 87 read => feed constraints.
[2024-05-23 15:10:35] [INFO ] Implicit Places using invariants and state equation in 1310 ms returned []
Implicit Place search using SMT with State Equation took 1655 ms to find 0 implicit places.
[2024-05-23 15:10:35] [INFO ] Redundant transitions in 19 ms returned []
Running 1280 sub problems to find dead transitions.
[2024-05-23 15:10:35] [INFO ] Flow matrix only has 736 transitions (discarded 546 similar events)
[2024-05-23 15:10:35] [INFO ] Invariant cache hit.
[2024-05-23 15:10:35] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
[2024-05-23 15:10:50] [INFO ] Deduced a trap composed of 131 places in 157 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1186 variables, and 4 constraints, problems are : Problem set: 0 solved, 1280 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1280/1280 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1280 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
At refinement iteration 3 (OVERLAPS) 736/1186 variables, 450/454 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1186 variables, 87/541 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1186 variables, 1280/1821 constraints. Problems are: Problem set: 0 solved, 1280 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1186/1186 variables, and 1821 constraints, problems are : Problem set: 0 solved, 1280 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 450/450 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1280/1280 constraints, Known Traps: 1/1 constraints]
After SMT, in 64853ms problems are : Problem set: 0 solved, 1280 unsolved
Search for dead transitions found 0 dead transitions in 64871ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66605 ms. Remains : 450/450 places, 1282/1282 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 1442, 9, 1550, 505, 7, 1334] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c002-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 15:11:40] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:11:40] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 27 ms. (357 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 15:11:40] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:11:40] [INFO ] Invariant cache hit.
[2024-05-23 15:11:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:11:40] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-23 15:11:40] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:11:40] [INFO ] [Real]Added 92 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:11:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:11:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:11:40] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:11:40] [INFO ] [Nat]Added 92 Read/Feed constraints in 36 ms returned sat
[2024-05-23 15:11:40] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 69 ms.
[2024-05-23 15:11:40] [INFO ] Added : 2 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 276 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 448 transition count 1275
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 448 transition count 1275
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 448 transition count 1273
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 19 place count 443 transition count 1261
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 443 transition count 1261
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 29 place count 438 transition count 1251
Iterating global reduction 1 with 5 rules applied. Total rules applied 34 place count 438 transition count 1251
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 39 place count 433 transition count 1239
Iterating global reduction 1 with 5 rules applied. Total rules applied 44 place count 433 transition count 1239
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 49 place count 428 transition count 1229
Iterating global reduction 1 with 5 rules applied. Total rules applied 54 place count 428 transition count 1229
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 59 place count 423 transition count 1219
Iterating global reduction 1 with 5 rules applied. Total rules applied 64 place count 423 transition count 1219
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 67 place count 420 transition count 1213
Iterating global reduction 1 with 3 rules applied. Total rules applied 70 place count 420 transition count 1213
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 72 place count 418 transition count 1209
Iterating global reduction 1 with 2 rules applied. Total rules applied 74 place count 418 transition count 1209
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 75 place count 417 transition count 1207
Iterating global reduction 1 with 1 rules applied. Total rules applied 76 place count 417 transition count 1207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 77 place count 416 transition count 1205
Iterating global reduction 1 with 1 rules applied. Total rules applied 78 place count 416 transition count 1205
Applied a total of 78 rules in 153 ms. Remains 416 /454 variables (removed 38) and now considering 1205/1289 (removed 84) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 416/454 places, 1205/1289 transitions.
[2024-05-23 15:11:41] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 15:11:41] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2024-05-23 15:11:41] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2098 ms. (476 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 568 ms. (1757 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 15:11:44] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:11:44] [INFO ] Invariant cache hit.
[2024-05-23 15:11:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:11:44] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2024-05-23 15:11:44] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:11:44] [INFO ] [Real]Added 75 Read/Feed constraints in 41 ms returned sat
[2024-05-23 15:11:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:11:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:11:44] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2024-05-23 15:11:44] [INFO ] [Nat]Added 75 Read/Feed constraints in 45 ms returned sat
[2024-05-23 15:11:45] [INFO ] Deduced a trap composed of 71 places in 189 ms of which 3 ms to minimize.
[2024-05-23 15:11:45] [INFO ] Deduced a trap composed of 135 places in 176 ms of which 5 ms to minimize.
[2024-05-23 15:11:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 445 ms
[2024-05-23 15:11:45] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 65 ms.
[2024-05-23 15:11:45] [INFO ] Deduced a trap composed of 132 places in 167 ms of which 3 ms to minimize.
[2024-05-23 15:11:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 235 ms
[2024-05-23 15:11:45] [INFO ] Added : 4 causal constraints over 2 iterations in 449 ms. Result :sat
Minimization took 296 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:[2] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 46 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 44 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2024-05-23 15:11:46] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:11:46] [INFO ] Invariant cache hit.
[2024-05-23 15:11:46] [INFO ] Implicit Places using invariants in 307 ms returned []
[2024-05-23 15:11:46] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:11:46] [INFO ] Invariant cache hit.
[2024-05-23 15:11:46] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:11:47] [INFO ] Implicit Places using invariants and state equation in 1065 ms returned []
Implicit Place search using SMT with State Equation took 1386 ms to find 0 implicit places.
[2024-05-23 15:11:47] [INFO ] Redundant transitions in 15 ms returned []
Running 1203 sub problems to find dead transitions.
[2024-05-23 15:11:47] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:11:47] [INFO ] Invariant cache hit.
[2024-05-23 15:11:47] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
[2024-05-23 15:12:00] [INFO ] Deduced a trap composed of 131 places in 172 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
SMT process timed out in 33826ms, After SMT, problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 33837ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35289 ms. Remains : 416/416 places, 1205/1205 transitions.
[2024-05-23 15:12:21] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 15:12:21] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:12:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2097 ms. (476 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 549 ms. (1818 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 15:12:24] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:12:24] [INFO ] Invariant cache hit.
[2024-05-23 15:12:24] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:12:24] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2024-05-23 15:12:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:12:24] [INFO ] [Real]Added 75 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:12:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:12:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:12:24] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:12:24] [INFO ] [Nat]Added 75 Read/Feed constraints in 47 ms returned sat
[2024-05-23 15:12:25] [INFO ] Deduced a trap composed of 75 places in 195 ms of which 3 ms to minimize.
[2024-05-23 15:12:25] [INFO ] Deduced a trap composed of 74 places in 189 ms of which 3 ms to minimize.
[2024-05-23 15:12:25] [INFO ] Deduced a trap composed of 72 places in 175 ms of which 3 ms to minimize.
[2024-05-23 15:12:25] [INFO ] Deduced a trap composed of 135 places in 159 ms of which 2 ms to minimize.
[2024-05-23 15:12:25] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 830 ms
[2024-05-23 15:12:25] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 55 ms.
[2024-05-23 15:12:25] [INFO ] Added : 6 causal constraints over 2 iterations in 185 ms. Result :sat
Minimization took 286 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 43 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 43 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2024-05-23 15:12:26] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:12:26] [INFO ] Invariant cache hit.
[2024-05-23 15:12:26] [INFO ] Implicit Places using invariants in 289 ms returned []
[2024-05-23 15:12:26] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:12:26] [INFO ] Invariant cache hit.
[2024-05-23 15:12:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:12:27] [INFO ] Implicit Places using invariants and state equation in 1064 ms returned []
Implicit Place search using SMT with State Equation took 1356 ms to find 0 implicit places.
[2024-05-23 15:12:27] [INFO ] Redundant transitions in 19 ms returned []
Running 1203 sub problems to find dead transitions.
[2024-05-23 15:12:27] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2024-05-23 15:12:27] [INFO ] Invariant cache hit.
[2024-05-23 15:12:27] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
[2024-05-23 15:12:40] [INFO ] Deduced a trap composed of 131 places in 154 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
SMT process timed out in 33797ms, After SMT, problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 33807ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35237 ms. Remains : 416/416 places, 1205/1205 transitions.
[2024-05-23 15:13:01] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=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:[2] Max Struct:[+inf]
RANDOM walk for 30071 steps (6 resets) in 146 ms. (204 steps per ms) remains 0/1 properties
[2024-05-23 15:13:01] [INFO ] Flatten gal took : 69 ms
[2024-05-23 15:13:01] [INFO ] Flatten gal took : 39 ms
[2024-05-23 15:13:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17126422036323558421.gal : 11 ms
[2024-05-23 15:13:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18303927817289541939.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17126422036323558421.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18303927817289541939.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-00 in 81830 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:13:01] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:13:01] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 34 ms. (285 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 15:13:01] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:13:01] [INFO ] Invariant cache hit.
[2024-05-23 15:13:02] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:02] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:13:02] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:13:02] [INFO ] [Real]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:13:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:13:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:02] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-23 15:13:02] [INFO ] [Nat]Added 92 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:13:02] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 68 ms.
[2024-05-23 15:13:02] [INFO ] Added : 3 causal constraints over 1 iterations in 180 ms. Result :sat
Minimization took 262 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1272
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 446 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 442 transition count 1262
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 438 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 438 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 434 transition count 1244
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 430 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 426 transition count 1228
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 65 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 421 transition count 1218
Applied a total of 68 rules in 142 ms. Remains 421 /454 variables (removed 33) and now considering 1218/1289 (removed 71) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 421/454 places, 1218/1289 transitions.
[2024-05-23 15:13:03] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:13:03] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2024-05-23 15:13:03] [INFO ] Computed 3 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2080 ms. (480 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 536 ms. (1862 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:13:06] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 15:13:06] [INFO ] Invariant cache hit.
[2024-05-23 15:13:06] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:13:06] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:13:06] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:13:06] [INFO ] [Real]Added 75 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:13:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:13:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:06] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2024-05-23 15:13:06] [INFO ] [Nat]Added 75 Read/Feed constraints in 23 ms returned sat
[2024-05-23 15:13:06] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 61 ms.
[2024-05-23 15:13:06] [INFO ] Added : 13 causal constraints over 5 iterations in 317 ms. Result :sat
Minimization took 290 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 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 43 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 43 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 15:13:07] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 15:13:07] [INFO ] Invariant cache hit.
[2024-05-23 15:13:07] [INFO ] Implicit Places using invariants in 300 ms returned []
[2024-05-23 15:13:07] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 15:13:07] [INFO ] Invariant cache hit.
[2024-05-23 15:13:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:13:08] [INFO ] Implicit Places using invariants and state equation in 1319 ms returned []
Implicit Place search using SMT with State Equation took 1620 ms to find 0 implicit places.
[2024-05-23 15:13:08] [INFO ] Redundant transitions in 21 ms returned []
Running 1216 sub problems to find dead transitions.
[2024-05-23 15:13:08] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 15:13:08] [INFO ] Invariant cache hit.
[2024-05-23 15:13:08] [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 15:13:22] [INFO ] Deduced a trap composed of 131 places in 156 ms of which 3 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
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 34182ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 34195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35894 ms. Remains : 421/421 places, 1218/1218 transitions.
[2024-05-23 15:13:43] [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 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 15:13:43] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-23 15:13:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2093 ms. (477 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-23 15:13:45] [INFO ] Flatten gal took : 46 ms
[2024-05-23 15:13:45] [INFO ] Flatten gal took : 37 ms
[2024-05-23 15:13:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11734254663806742132.gal : 7 ms
[2024-05-23 15:13:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8183276657764359814.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11734254663806742132.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8183276657764359814.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-02 in 43720 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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 15:13:45] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:13:45] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 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 15:13:45] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:13:45] [INFO ] Invariant cache hit.
[2024-05-23 15:13:45] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:13:45] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-23 15:13:45] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:13:45] [INFO ] [Real]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-23 15:13:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:13:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:46] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-23 15:13:46] [INFO ] [Nat]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-23 15:13:46] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 75 ms.
[2024-05-23 15:13:46] [INFO ] Added : 5 causal constraints over 2 iterations in 233 ms. Result :sat
Minimization took 311 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1272
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 446 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 442 transition count 1260
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 442 transition count 1260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 438 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 434 transition count 1242
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 434 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 430 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 430 transition count 1234
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 426 transition count 1226
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 426 transition count 1226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 423 transition count 1220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 421 transition count 1216
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 421 transition count 1216
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 420 transition count 1214
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 420 transition count 1214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 71 place count 419 transition count 1212
Iterating global reduction 2 with 1 rules applied. Total rules applied 72 place count 419 transition count 1212
Applied a total of 72 rules in 144 ms. Remains 419 /454 variables (removed 35) and now considering 1212/1289 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 419/454 places, 1212/1289 transitions.
[2024-05-23 15:13:46] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=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 15:13:47] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2024-05-23 15:13:47] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2162 ms. (462 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:[0] Max Struct:[+inf]
[2024-05-23 15:13:50] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:13:50] [INFO ] Invariant cache hit.
[2024-05-23 15:13:50] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:50] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:13:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:13:50] [INFO ] [Real]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:13:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:13:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:13:50] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:13:50] [INFO ] [Nat]Added 75 Read/Feed constraints in 37 ms returned sat
[2024-05-23 15:13:50] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 82 ms.
[2024-05-23 15:13:51] [INFO ] Deduced a trap composed of 131 places in 164 ms of which 3 ms to minimize.
[2024-05-23 15:13:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 217 ms
[2024-05-23 15:13:51] [INFO ] Added : 11 causal constraints over 3 iterations in 523 ms. Result :sat
Minimization took 291 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 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 44 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 45 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-23 15:13:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:13:51] [INFO ] Invariant cache hit.
[2024-05-23 15:13:51] [INFO ] Implicit Places using invariants in 307 ms returned []
[2024-05-23 15:13:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:13:51] [INFO ] Invariant cache hit.
[2024-05-23 15:13:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:13:53] [INFO ] Implicit Places using invariants and state equation in 1311 ms returned []
Implicit Place search using SMT with State Equation took 1619 ms to find 0 implicit places.
[2024-05-23 15:13:53] [INFO ] Redundant transitions in 20 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-23 15:13:53] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:13:53] [INFO ] Invariant cache hit.
[2024-05-23 15:13:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2024-05-23 15:14:07] [INFO ] Deduced a trap composed of 131 places in 162 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34411ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36118 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-23 15:14:27] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:14:28] [INFO ] Flatten gal took : 31 ms
RANDOM walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 30166 steps (6 resets) in 26 ms. (1117 steps per ms) remains 0/1 properties
[2024-05-23 15:14:28] [INFO ] Flatten gal took : 32 ms
[2024-05-23 15:14:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16284532713066028834.gal : 5 ms
[2024-05-23 15:14:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12715840402665213316.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16284532713066028834.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12715840402665213316.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-04 in 42442 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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 15:14:28] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:14:28] [INFO ] Computed 3 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:[0] Max Struct:[+inf]
[2024-05-23 15:14:28] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:14:28] [INFO ] Invariant cache hit.
[2024-05-23 15:14:28] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:14:28] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-23 15:14:28] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:14:28] [INFO ] [Real]Added 92 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:14:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:14:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:14:28] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-23 15:14:28] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:14:28] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 74 ms.
[2024-05-23 15:14:28] [INFO ] Added : 5 causal constraints over 3 iterations in 240 ms. Result :sat
Minimization took 318 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1272
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 446 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 442 transition count 1260
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 442 transition count 1260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 438 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 434 transition count 1242
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 434 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 430 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 430 transition count 1234
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 426 transition count 1226
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 426 transition count 1226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 423 transition count 1220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 421 transition count 1216
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 421 transition count 1216
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 420 transition count 1214
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 420 transition count 1214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 71 place count 419 transition count 1212
Iterating global reduction 2 with 1 rules applied. Total rules applied 72 place count 419 transition count 1212
Applied a total of 72 rules in 137 ms. Remains 419 /454 variables (removed 35) and now considering 1212/1289 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 419/454 places, 1212/1289 transitions.
[2024-05-23 15:14:29] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=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]
[2024-05-23 15:14:29] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2024-05-23 15:14:29] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2221 ms. (450 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 15:14:32] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:14:32] [INFO ] Invariant cache hit.
[2024-05-23 15:14:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:14:32] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:14:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:14:32] [INFO ] [Real]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-23 15:14:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:14:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:14:33] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:14:33] [INFO ] [Nat]Added 75 Read/Feed constraints in 34 ms returned sat
[2024-05-23 15:14:33] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 66 ms.
[2024-05-23 15:14:33] [INFO ] Deduced a trap composed of 135 places in 158 ms of which 3 ms to minimize.
[2024-05-23 15:14:33] [INFO ] Deduced a trap composed of 131 places in 157 ms of which 2 ms to minimize.
[2024-05-23 15:14:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 424 ms
[2024-05-23 15:14:33] [INFO ] Added : 14 causal constraints over 4 iterations in 746 ms. Result :sat
Minimization took 290 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 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 44 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 45 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-23 15:14:34] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:14:34] [INFO ] Invariant cache hit.
[2024-05-23 15:14:34] [INFO ] Implicit Places using invariants in 294 ms returned []
[2024-05-23 15:14:34] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:14:34] [INFO ] Invariant cache hit.
[2024-05-23 15:14:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:14:36] [INFO ] Implicit Places using invariants and state equation in 1802 ms returned []
Implicit Place search using SMT with State Equation took 2097 ms to find 0 implicit places.
[2024-05-23 15:14:36] [INFO ] Redundant transitions in 21 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-23 15:14:36] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:14:36] [INFO ] Invariant cache hit.
[2024-05-23 15:14:36] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2024-05-23 15:14:50] [INFO ] Deduced a trap composed of 131 places in 162 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34550ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34565ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36739 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-23 15:15:10] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:15:11] [INFO ] Flatten gal took : 45 ms
RANDOM walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
[2024-05-23 15:15:11] [INFO ] Flatten gal took : 37 ms
[2024-05-23 15:15:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality718119714248078405.gal : 5 ms
[2024-05-23 15:15:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2591294984055772535.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality718119714248078405.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2591294984055772535.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality2591294984055772535.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79822
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79822 after 110129
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :110129 after 113397
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :113397 after 122510
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :122510 after 141213
Interrupted probabilistic random walk after 518092 steps, run timeout after 3001 ms. (steps per millisecond=172 ) properties seen :0 out of 1
Probabilistic random walk after 518092 steps, saw 317687 distinct states, run finished after 3001 ms. (steps per millisecond=172 ) properties seen :0
[2024-05-23 15:15:14] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:15:14] [INFO ] Invariant cache hit.
[2024-05-23 15:15:14] [INFO ] State equation strengthened by 75 read => feed constraints.
All remaining problems are real, not stopping.
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) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/361 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/361 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 605/966 variables, 337/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/966 variables, 74/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1028 variables, 1/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1028 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 70/1098 variables, 68/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1098 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/1104 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1104/1104 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 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) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/361 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 605/966 variables, 337/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/966 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :141213 after 178942
At refinement iteration 13 (OVERLAPS) 62/1028 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1028 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 70/1098 variables, 68/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1098 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1104 variables, 4/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 622ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 50 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 419/419 places, 1212/1212 transitions.
RANDOM walk for 40000 steps (8 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :178942 after 253602
Interrupted probabilistic random walk after 538569 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 1
Probabilistic random walk after 538569 steps, saw 330243 distinct states, run finished after 3002 ms. (steps per millisecond=179 ) properties seen :0
[2024-05-23 15:15:18] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:15:18] [INFO ] Invariant cache hit.
[2024-05-23 15:15:18] [INFO ] State equation strengthened by 75 read => feed constraints.
All remaining problems are real, not stopping.
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) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/361 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/361 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 605/966 variables, 337/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/966 variables, 74/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1028 variables, 1/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1028 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 70/1098 variables, 68/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1098 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/1104 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1104/1104 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 274 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 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) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/361 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 605/966 variables, 337/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/966 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1028 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1028 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 70/1098 variables, 68/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1098 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1104 variables, 4/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 282 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 566ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 50 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 45 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-23 15:15:18] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:15:18] [INFO ] Invariant cache hit.
[2024-05-23 15:15:19] [INFO ] Implicit Places using invariants in 298 ms returned []
[2024-05-23 15:15:19] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:15:19] [INFO ] Invariant cache hit.
[2024-05-23 15:15:19] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :253602 after 401123
[2024-05-23 15:15:20] [INFO ] Implicit Places using invariants and state equation in 1793 ms returned []
Implicit Place search using SMT with State Equation took 2095 ms to find 0 implicit places.
[2024-05-23 15:15:20] [INFO ] Redundant transitions in 20 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-23 15:15:20] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-23 15:15:20] [INFO ] Invariant cache hit.
[2024-05-23 15:15:20] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :401123 after 696627
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2024-05-23 15:15:35] [INFO ] Deduced a trap composed of 131 places in 155 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34402ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34415ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36582 ms. Remains : 419/419 places, 1212/1212 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 527 transitions
Reduce isomorphic transitions removed 527 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 539 rules applied. Total rules applied 539 place count 419 transition count 673
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 551 place count 407 transition count 673
Performed 69 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 69 Pre rules applied. Total rules applied 551 place count 407 transition count 604
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 2 with 138 rules applied. Total rules applied 689 place count 338 transition count 604
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 945 place count 210 transition count 476
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1009 place count 146 transition count 348
Iterating global reduction 2 with 64 rules applied. Total rules applied 1073 place count 146 transition count 348
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1074 place count 146 transition count 347
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1074 place count 146 transition count 346
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 1076 place count 145 transition count 346
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1139 place count 82 transition count 220
Iterating global reduction 3 with 63 rules applied. Total rules applied 1202 place count 82 transition count 220
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1265 place count 19 transition count 94
Iterating global reduction 3 with 63 rules applied. Total rules applied 1328 place count 19 transition count 94
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1391 place count 19 transition count 31
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1391 place count 19 transition count 30
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 1393 place count 18 transition count 30
Applied a total of 1393 rules in 72 ms. Remains 18 /419 variables (removed 401) and now considering 30/1212 (removed 1182) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-23 15:15:55] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 15:15:55] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 15:15:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 15:15:55] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 15:15:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 15:15:55] [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 15:15:55] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 15:15:55] [INFO ] After 33ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 15:15:55] [INFO ] Flatten gal took : 1 ms
[2024-05-23 15:15:55] [INFO ] Flatten gal took : 1 ms
[2024-05-23 15:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10233881643253988748.gal : 1 ms
[2024-05-23 15:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12430246604268970880.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10233881643253988748.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12430246604268970880.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12430246604268970880.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 46
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :46 after 82
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :82 after 150
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :150 after 282
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :282 after 542
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :542 after 1058
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1058 after 2086
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2086 after 4138
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4138 after 8238
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8238 after 16434
Detected timeout of ITS tools.
[2024-05-23 15:16:01] [INFO ] Flatten gal took : 29 ms
[2024-05-23 15:16:01] [INFO ] Applying decomposition
[2024-05-23 15:16:01] [INFO ] Flatten gal took : 28 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18085402267862381761.txt' '-o' '/tmp/graph18085402267862381761.bin' '-w' '/tmp/graph18085402267862381761.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18085402267862381761.bin' '-l' '-1' '-v' '-w' '/tmp/graph18085402267862381761.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:16:01] [INFO ] Decomposing Gal with order
[2024-05-23 15:16:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:16:01] [INFO ] Removed a total of 2072 redundant transitions.
[2024-05-23 15:16:01] [INFO ] Flatten gal took : 55 ms
[2024-05-23 15:16:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 864 labels/synchronizations in 28 ms.
[2024-05-23 15:16:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10256052956020105917.gal : 7 ms
[2024-05-23 15:16:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality745951412446617407.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10256052956020105917.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality745951412446617407.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality745951412446617407.prop.
Detected timeout of ITS tools.
[2024-05-23 15:16:10] [INFO ] Flatten gal took : 1 ms
[2024-05-23 15:16:10] [INFO ] Applying decomposition
[2024-05-23 15:16:10] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4322541335689361312.txt' '-o' '/tmp/graph4322541335689361312.bin' '-w' '/tmp/graph4322541335689361312.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4322541335689361312.bin' '-l' '-1' '-v' '-w' '/tmp/graph4322541335689361312.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:16:10] [INFO ] Decomposing Gal with order
[2024-05-23 15:16:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:16:10] [INFO ] Removed a total of 29 redundant transitions.
[2024-05-23 15:16:10] [INFO ] Flatten gal took : 2 ms
[2024-05-23 15:16:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2024-05-23 15:16:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality420325455308392953.gal : 1 ms
[2024-05-23 15:16:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9780494099749867825.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality420325455308392953.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9780494099749867825.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality9780494099749867825.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30255 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-05 in 117498 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:16:25] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:16:25] [INFO ] Computed 3 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 29 ms. (333 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:[9] Max Struct:[+inf]
[2024-05-23 15:16:25] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:16:25] [INFO ] Invariant cache hit.
[2024-05-23 15:16:25] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:16:25] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 15:16:25] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:16:25] [INFO ] [Real]Added 92 Read/Feed constraints in 41 ms returned sat
[2024-05-23 15:16:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:16:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:16:26] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2024-05-23 15:16:26] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-23 15:16:26] [INFO ] Deduced a trap composed of 109 places in 211 ms of which 3 ms to minimize.
[2024-05-23 15:16:26] [INFO ] Deduced a trap composed of 102 places in 202 ms of which 3 ms to minimize.
[2024-05-23 15:16:26] [INFO ] Deduced a trap composed of 76 places in 205 ms of which 3 ms to minimize.
[2024-05-23 15:16:27] [INFO ] Deduced a trap composed of 75 places in 200 ms of which 2 ms to minimize.
[2024-05-23 15:16:27] [INFO ] Deduced a trap composed of 120 places in 202 ms of which 3 ms to minimize.
[2024-05-23 15:16:27] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1167 ms
[2024-05-23 15:16:27] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 71 ms.
[2024-05-23 15:16:27] [INFO ] Added : 7 causal constraints over 3 iterations in 242 ms. Result :sat
Minimization took 283 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1272
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 20 place count 442 transition count 1262
Iterating global reduction 1 with 4 rules applied. Total rules applied 24 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 28 place count 438 transition count 1254
Iterating global reduction 1 with 4 rules applied. Total rules applied 32 place count 438 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 36 place count 434 transition count 1246
Iterating global reduction 1 with 4 rules applied. Total rules applied 40 place count 434 transition count 1246
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 44 place count 430 transition count 1238
Iterating global reduction 1 with 4 rules applied. Total rules applied 48 place count 430 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 52 place count 426 transition count 1230
Iterating global reduction 1 with 4 rules applied. Total rules applied 56 place count 426 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 58 place count 424 transition count 1226
Iterating global reduction 1 with 2 rules applied. Total rules applied 60 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 61 place count 423 transition count 1224
Iterating global reduction 1 with 1 rules applied. Total rules applied 62 place count 423 transition count 1224
Applied a total of 62 rules in 169 ms. Remains 423 /454 variables (removed 31) and now considering 1224/1289 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 423/454 places, 1224/1289 transitions.
[2024-05-23 15:16:28] [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 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 15:16:28] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2024-05-23 15:16:28] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2121 ms. (471 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 565 ms. (1766 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 15:16:31] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:16:31] [INFO ] Invariant cache hit.
[2024-05-23 15:16:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:16:31] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-23 15:16:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:16:31] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2024-05-23 15:16:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:16:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:16:31] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-23 15:16:31] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:16:31] [INFO ] Deduced a trap composed of 113 places in 199 ms of which 2 ms to minimize.
[2024-05-23 15:16:31] [INFO ] Deduced a trap composed of 113 places in 194 ms of which 3 ms to minimize.
[2024-05-23 15:16:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 463 ms
[2024-05-23 15:16:32] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 64 ms.
[2024-05-23 15:16:32] [INFO ] Added : 16 causal constraints over 4 iterations in 272 ms. Result :sat
Minimization took 264 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] 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 56 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 56 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 46 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 15:16:32] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:16:32] [INFO ] Invariant cache hit.
[2024-05-23 15:16:32] [INFO ] Implicit Places using invariants in 302 ms returned []
[2024-05-23 15:16:32] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:16:32] [INFO ] Invariant cache hit.
[2024-05-23 15:16:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:16:34] [INFO ] Implicit Places using invariants and state equation in 1195 ms returned []
Implicit Place search using SMT with State Equation took 1511 ms to find 0 implicit places.
[2024-05-23 15:16:34] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 15:16:34] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:16:34] [INFO ] Invariant cache hit.
[2024-05-23 15:16:34] [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 15:16:51] [INFO ] Deduced a trap composed of 131 places in 3134 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
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
At refinement iteration 4 (INCLUDED_ONLY) 0/1114 variables, 75/502 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1114 variables, 1222/1724 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 1724 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64724ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64735ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66324 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-23 15:17:38] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 15:17:39] [INFO ] Flatten gal took : 53 ms
RANDOM walk for 40002 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
[2024-05-23 15:17:39] [INFO ] Flatten gal took : 27 ms
[2024-05-23 15:17:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3860199339663804561.gal : 6 ms
[2024-05-23 15:17:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5786494101083905922.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3860199339663804561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5786494101083905922.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5786494101083905922.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 70159
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :70159 after 74920
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74920 after 98050
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :98050 after 116124
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :116124 after 121996
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :121996 after 132423
Interrupted probabilistic random walk after 524867 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :0 out of 1
Probabilistic random walk after 524867 steps, saw 321842 distinct states, run finished after 3001 ms. (steps per millisecond=174 ) properties seen :0
[2024-05-23 15:17:42] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:17:42] [INFO ] Invariant cache hit.
[2024-05-23 15:17:42] [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 388 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
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :132423 after 155513
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 497 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 893ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 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 48 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 48 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40000 steps (8 resets) in 147 ms. (270 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
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :155513 after 213729
Interrupted probabilistic random walk after 509487 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 1
Probabilistic random walk after 509487 steps, saw 312411 distinct states, run finished after 3001 ms. (steps per millisecond=169 ) properties seen :0
[2024-05-23 15:17:46] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:17:46] [INFO ] Invariant cache hit.
[2024-05-23 15:17:46] [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) 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 439 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 348 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 797ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 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 49 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 50 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 51 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-23 15:17:47] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:17:47] [INFO ] Invariant cache hit.
[2024-05-23 15:17:47] [INFO ] Implicit Places using invariants in 323 ms returned []
[2024-05-23 15:17:47] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:17:47] [INFO ] Invariant cache hit.
[2024-05-23 15:17:47] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:17:48] [INFO ] Implicit Places using invariants and state equation in 1276 ms returned []
Implicit Place search using SMT with State Equation took 1602 ms to find 0 implicit places.
[2024-05-23 15:17:48] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-23 15:17:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-23 15:17:48] [INFO ] Invariant cache hit.
[2024-05-23 15:17:48] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :213729 after 362939
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :362939 after 813742
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-23 15:18:05] [INFO ] Deduced a trap composed of 131 places in 203 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
[2024-05-23 15:18:29] [INFO ] Flatten gal took : 29 ms
[2024-05-23 15:18:29] [INFO ] Applying decomposition
[2024-05-23 15:18:29] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1027971277069878582.txt' '-o' '/tmp/graph1027971277069878582.bin' '-w' '/tmp/graph1027971277069878582.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1027971277069878582.bin' '-l' '-1' '-v' '-w' '/tmp/graph1027971277069878582.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:18:29] [INFO ] Decomposing Gal with order
[2024-05-23 15:18:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:18:29] [INFO ] Removed a total of 2104 redundant transitions.
[2024-05-23 15:18:29] [INFO ] Flatten gal took : 125 ms
[2024-05-23 15:18:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 912 labels/synchronizations in 62 ms.
[2024-05-23 15:18:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3179077988993033299.gal : 15 ms
[2024-05-23 15:18:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1630685955126821870.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3179077988993033299.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1630685955126821870.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality1630685955126821870.prop.
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
At refinement iteration 4 (INCLUDED_ONLY) 0/1114 variables, 75/502 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1114 variables, 1222/1724 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 1724 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65183ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66875 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 42 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 15:18:54] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 15:18:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 15:18:54] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 15:18:54] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 15:18:54] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 15:18:54] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 15:18:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 15:18:54] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 15:18:54] [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 15:18:54] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 15:18:54] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2024-05-23 15:18:54] [INFO ] Flatten gal took : 13 ms
[2024-05-23 15:18:54] [INFO ] Flatten gal took : 1 ms
[2024-05-23 15:18:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8218127828804619650.gal : 1 ms
[2024-05-23 15:18:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12545334324866637064.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8218127828804619650.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12545334324866637064.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12545334324866637064.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 78
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :78 after 214
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :214 after 478
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :478 after 998
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :998 after 2030
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2030 after 4086
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4086 after 8190
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8190 after 16390
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :16390 after 32782
Detected timeout of ITS tools.
[2024-05-23 15:19:09] [INFO ] Flatten gal took : 3 ms
[2024-05-23 15:19:09] [INFO ] Applying decomposition
[2024-05-23 15:19:09] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16034652447499685352.txt' '-o' '/tmp/graph16034652447499685352.bin' '-w' '/tmp/graph16034652447499685352.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16034652447499685352.bin' '-l' '-1' '-v' '-w' '/tmp/graph16034652447499685352.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:19:09] [INFO ] Decomposing Gal with order
[2024-05-23 15:19:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:19:09] [INFO ] Removed a total of 30 redundant transitions.
[2024-05-23 15:19:09] [INFO ] Flatten gal took : 2 ms
[2024-05-23 15:19:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2024-05-23 15:19:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7202597937523941656.gal : 1 ms
[2024-05-23 15:19:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14863598457796009774.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7202597937523941656.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14863598457796009774.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14863598457796009774.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30256 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[9] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-12 in 178855 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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 15:19:24] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:19:24] [INFO ] Computed 3 invariants in 4 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:[0] Max Struct:[+inf]
[2024-05-23 15:19:24] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:19:24] [INFO ] Invariant cache hit.
[2024-05-23 15:19:24] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:19:24] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:19:24] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:19:24] [INFO ] [Real]Added 92 Read/Feed constraints in 22 ms returned sat
[2024-05-23 15:19:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:19:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 16 ms returned sat
[2024-05-23 15:19:24] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2024-05-23 15:19:24] [INFO ] [Nat]Added 92 Read/Feed constraints in 19 ms returned sat
[2024-05-23 15:19:25] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 81 ms.
[2024-05-23 15:19:25] [INFO ] Added : 1 causal constraints over 1 iterations in 182 ms. Result :sat
Minimization took 299 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1272
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 446 transition count 1270
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 23 place count 441 transition count 1258
Iterating global reduction 2 with 5 rules applied. Total rules applied 28 place count 441 transition count 1258
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 33 place count 436 transition count 1248
Iterating global reduction 2 with 5 rules applied. Total rules applied 38 place count 436 transition count 1248
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 43 place count 431 transition count 1236
Iterating global reduction 2 with 5 rules applied. Total rules applied 48 place count 431 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 53 place count 426 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 58 place count 426 transition count 1226
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 63 place count 421 transition count 1216
Iterating global reduction 2 with 5 rules applied. Total rules applied 68 place count 421 transition count 1216
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 71 place count 418 transition count 1210
Iterating global reduction 2 with 3 rules applied. Total rules applied 74 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 76 place count 416 transition count 1206
Iterating global reduction 2 with 2 rules applied. Total rules applied 78 place count 416 transition count 1206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 79 place count 415 transition count 1204
Iterating global reduction 2 with 1 rules applied. Total rules applied 80 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 81 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 82 place count 414 transition count 1202
Applied a total of 82 rules in 121 ms. Remains 414 /454 variables (removed 40) and now considering 1202/1289 (removed 87) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 414/454 places, 1202/1289 transitions.
[2024-05-23 15:19:25] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:19:25] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
// Phase 1: matrix 678 rows 414 cols
[2024-05-23 15:19:25] [INFO ] Computed 3 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2095 ms. (477 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 568 ms. (1757 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:19:28] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:19:28] [INFO ] Invariant cache hit.
[2024-05-23 15:19:28] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:19:28] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2024-05-23 15:19:28] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:19:28] [INFO ] [Real]Added 74 Read/Feed constraints in 51 ms returned sat
[2024-05-23 15:19:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:19:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:19:29] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2024-05-23 15:19:29] [INFO ] [Nat]Added 74 Read/Feed constraints in 31 ms returned sat
[2024-05-23 15:19:29] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 69 ms.
[2024-05-23 15:19:29] [INFO ] Added : 3 causal constraints over 2 iterations in 195 ms. Result :sat
Minimization took 271 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 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 43 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 44 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-23 15:19:29] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:19:29] [INFO ] Invariant cache hit.
[2024-05-23 15:19:30] [INFO ] Implicit Places using invariants in 311 ms returned []
[2024-05-23 15:19:30] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:19:30] [INFO ] Invariant cache hit.
[2024-05-23 15:19:30] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:19:31] [INFO ] Implicit Places using invariants and state equation in 1280 ms returned []
Implicit Place search using SMT with State Equation took 1595 ms to find 0 implicit places.
[2024-05-23 15:19:31] [INFO ] Redundant transitions in 15 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-23 15:19:31] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:19:31] [INFO ] Invariant cache hit.
[2024-05-23 15:19:31] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
[2024-05-23 15:19:44] [INFO ] Deduced a trap composed of 131 places in 155 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 3 (OVERLAPS) 678/1092 variables, 414/418 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 34149ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34161ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35823 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-23 15:20:05] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=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:[1] Max Struct:[+inf]
[2024-05-23 15:20:05] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:05] [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 2064 ms. (484 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 544 ms. (1834 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-23 15:20:08] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:08] [INFO ] Invariant cache hit.
[2024-05-23 15:20:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:20:08] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2024-05-23 15:20:08] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:20:08] [INFO ] [Real]Added 74 Read/Feed constraints in 40 ms returned sat
[2024-05-23 15:20:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:20:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:20:08] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2024-05-23 15:20:08] [INFO ] [Nat]Added 74 Read/Feed constraints in 43 ms returned sat
[2024-05-23 15:20:09] [INFO ] Deduced a trap composed of 73 places in 194 ms of which 3 ms to minimize.
[2024-05-23 15:20:09] [INFO ] Deduced a trap composed of 72 places in 192 ms of which 3 ms to minimize.
[2024-05-23 15:20:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 477 ms
[2024-05-23 15:20:09] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 60 ms.
[2024-05-23 15:20:09] [INFO ] Added : 8 causal constraints over 4 iterations in 271 ms. Result :sat
Minimization took 286 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 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 41 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 41 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-23 15:20:10] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:10] [INFO ] Invariant cache hit.
[2024-05-23 15:20:10] [INFO ] Implicit Places using invariants in 308 ms returned []
[2024-05-23 15:20:10] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:10] [INFO ] Invariant cache hit.
[2024-05-23 15:20:10] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:20:11] [INFO ] Implicit Places using invariants and state equation in 1294 ms returned []
Implicit Place search using SMT with State Equation took 1604 ms to find 0 implicit places.
[2024-05-23 15:20:11] [INFO ] Redundant transitions in 17 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-23 15:20:11] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:11] [INFO ] Invariant cache hit.
[2024-05-23 15:20:11] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
[2024-05-23 15:20:25] [INFO ] Deduced a trap composed of 131 places in 169 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 3 (OVERLAPS) 678/1092 variables, 414/418 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 34456ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34467ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36136 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-23 15:20:46] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=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 :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 15:20:46] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2106 ms. (474 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 607 ms. (1644 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 15:20:49] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:49] [INFO ] Invariant cache hit.
[2024-05-23 15:20:49] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:20:49] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-23 15:20:49] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:20:49] [INFO ] [Real]Added 74 Read/Feed constraints in 32 ms returned sat
[2024-05-23 15:20:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:20:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:20:49] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-23 15:20:49] [INFO ] [Nat]Added 74 Read/Feed constraints in 35 ms returned sat
[2024-05-23 15:20:49] [INFO ] Deduced a trap composed of 74 places in 190 ms of which 2 ms to minimize.
[2024-05-23 15:20:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 239 ms
[2024-05-23 15:20:49] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 69 ms.
[2024-05-23 15:20:50] [INFO ] Deduced a trap composed of 73 places in 195 ms of which 3 ms to minimize.
[2024-05-23 15:20:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 258 ms
[2024-05-23 15:20:50] [INFO ] Added : 4 causal constraints over 3 iterations in 530 ms. Result :sat
Minimization took 272 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 56 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 44 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-23 15:20:50] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:50] [INFO ] Invariant cache hit.
[2024-05-23 15:20:51] [INFO ] Implicit Places using invariants in 312 ms returned []
[2024-05-23 15:20:51] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:51] [INFO ] Invariant cache hit.
[2024-05-23 15:20:51] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-23 15:20:52] [INFO ] Implicit Places using invariants and state equation in 1299 ms returned []
Implicit Place search using SMT with State Equation took 1612 ms to find 0 implicit places.
[2024-05-23 15:20:52] [INFO ] Redundant transitions in 22 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-23 15:20:52] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-23 15:20:52] [INFO ] Invariant cache hit.
[2024-05-23 15:20:52] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
[2024-05-23 15:21:06] [INFO ] Deduced a trap composed of 131 places in 165 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 3 (OVERLAPS) 678/1092 variables, 414/418 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 34573ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34584ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36276 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-23 15:21:27] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 15:21:27] [INFO ] Flatten gal took : 27 ms
RANDOM walk for 40003 steps (8 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
[2024-05-23 15:21:27] [INFO ] Flatten gal took : 27 ms
[2024-05-23 15:21:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7499984269551707643.gal : 5 ms
[2024-05-23 15:21:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12245398424130468977.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7499984269551707643.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12245398424130468977.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12245398424130468977.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79918
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79918 after 107381
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :107381 after 110586
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110586 after 121394
Interrupted probabilistic random walk after 548143 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 548143 steps, saw 336115 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
[2024-05-23 15:21:30] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :121394 after 143021
[2024-05-23 15:21:30] [INFO ] Invariant cache hit.
[2024-05-23 15:21:30] [INFO ] State equation strengthened by 74 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) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 62/1011 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1011 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 67/1078 variables, 65/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1078 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1086 variables, 4/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1086 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1092 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1092/1092 variables, and 491 constraints, problems are : Problem set: 0 solved, 1 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 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) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/949 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1011 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1011 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 67/1078 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1078 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1086 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1086 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1092 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1092/1092 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 659ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :143021 after 184504
Applied a total of 0 rules in 42 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 414/414 places, 1202/1202 transitions.
RANDOM walk for 40001 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 30196 steps (6 resets) in 29 ms. (1006 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-13 in 126712 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 15:21:31] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
// Phase 1: matrix 744 rows 454 cols
[2024-05-23 15:21:31] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 24 ms. (400 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 15:21:31] [INFO ] Flow matrix only has 744 transitions (discarded 545 similar events)
[2024-05-23 15:21:31] [INFO ] Invariant cache hit.
[2024-05-23 15:21:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:21:31] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-23 15:21:31] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-23 15:21:31] [INFO ] [Real]Added 92 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:21:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:21:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 15:21:31] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-23 15:21:31] [INFO ] [Nat]Added 92 Read/Feed constraints in 21 ms returned sat
[2024-05-23 15:21:31] [INFO ] Computed and/alt/rep : 100/201/94 causal constraints (skipped 648 transitions) in 69 ms.
[2024-05-23 15:21:32] [INFO ] Added : 13 causal constraints over 4 iterations in 295 ms. Result :sat
Minimization took 278 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1289/1289 transitions.
Graph (complete) has 2219 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 451 transition count 1284
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1274
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1274
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 442 transition count 1262
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 438 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 438 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 434 transition count 1244
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 430 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 426 transition count 1228
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 64 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 66 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 421 transition count 1218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 420 transition count 1216
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 420 transition count 1216
Applied a total of 70 rules in 122 ms. Remains 420 /454 variables (removed 34) and now considering 1216/1289 (removed 73) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 420/454 places, 1216/1289 transitions.
[2024-05-23 15:21:32] [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 1 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 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 15:21:32] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2024-05-23 15:21:32] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2051 ms. (487 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 556 ms. (1795 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 15:21:35] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 15:21:35] [INFO ] Invariant cache hit.
[2024-05-23 15:21:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:21:35] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-23 15:21:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:21:35] [INFO ] [Real]Added 75 Read/Feed constraints in 27 ms returned sat
[2024-05-23 15:21:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 15:21:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 15:21:35] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-23 15:21:35] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-23 15:21:36] [INFO ] Deduced a trap composed of 113 places in 197 ms of which 3 ms to minimize.
[2024-05-23 15:21:36] [INFO ] Deduced a trap composed of 94 places in 189 ms of which 3 ms to minimize.
[2024-05-23 15:21:36] [INFO ] Deduced a trap composed of 88 places in 191 ms of which 3 ms to minimize.
[2024-05-23 15:21:36] [INFO ] Deduced a trap composed of 80 places in 187 ms of which 3 ms to minimize.
[2024-05-23 15:21:36] [INFO ] Deduced a trap composed of 78 places in 186 ms of which 3 ms to minimize.
[2024-05-23 15:21:37] [INFO ] Deduced a trap composed of 73 places in 182 ms of which 3 ms to minimize.
[2024-05-23 15:21:37] [INFO ] Deduced a trap composed of 71 places in 184 ms of which 3 ms to minimize.
[2024-05-23 15:21:37] [INFO ] Deduced a trap composed of 70 places in 189 ms of which 2 ms to minimize.
[2024-05-23 15:21:37] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1721 ms
[2024-05-23 15:21:37] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 63 ms.
[2024-05-23 15:21:37] [INFO ] Added : 10 causal constraints over 3 iterations in 249 ms. Result :sat
Minimization took 271 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 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 53 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 53 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 44 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2024-05-23 15:21:38] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 15:21:38] [INFO ] Invariant cache hit.
[2024-05-23 15:21:38] [INFO ] Implicit Places using invariants in 311 ms returned []
[2024-05-23 15:21:38] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 15:21:38] [INFO ] Invariant cache hit.
[2024-05-23 15:21:38] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-23 15:21:39] [INFO ] Implicit Places using invariants and state equation in 1253 ms returned []
Implicit Place search using SMT with State Equation took 1565 ms to find 0 implicit places.
[2024-05-23 15:21:39] [INFO ] Redundant transitions in 18 ms returned []
Running 1214 sub problems to find dead transitions.
[2024-05-23 15:21:39] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 15:21:39] [INFO ] Invariant cache hit.
[2024-05-23 15:21:39] [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 15:21:54] [INFO ] Deduced a trap composed of 131 places in 148 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 34530ms, After SMT, problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 34543ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36181 ms. Remains : 420/420 places, 1216/1216 transitions.
[2024-05-23 15:22:14] [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 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 15:22:14] [INFO ] Flatten gal took : 26 ms
RANDOM walk for 40000 steps (8 resets) in 185 ms. (215 steps per ms) remains 1/1 properties
[2024-05-23 15:22:14] [INFO ] Flatten gal took : 30 ms
[2024-05-23 15:22:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11004052296701640834.gal : 4 ms
[2024-05-23 15:22:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7543478789683278012.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11004052296701640834.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7543478789683278012.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7543478789683278012.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79822
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79822 after 111748
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :111748 after 115054
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :115054 after 124212
Interrupted probabilistic random walk after 512483 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 1
Probabilistic random walk after 512483 steps, saw 314248 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2024-05-23 15:22:17] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2024-05-23 15:22:17] [INFO ] Invariant cache hit.
[2024-05-23 15:22:17] [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) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :124212 after 142522
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 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) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 597ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
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 46 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 46 ms. Remains : 420/420 places, 1216/1216 transitions.
RANDOM walk for 33440 steps (7 resets) in 131 ms. (253 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-14 in 47300 ms.
[2024-05-23 15:22:18] [INFO ] Flatten gal took : 28 ms
[2024-05-23 15:22:18] [INFO ] Applying decomposition
[2024-05-23 15:22:18] [INFO ] Flatten gal took : 29 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2106360700587994080.txt' '-o' '/tmp/graph2106360700587994080.bin' '-w' '/tmp/graph2106360700587994080.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2106360700587994080.bin' '-l' '-1' '-v' '-w' '/tmp/graph2106360700587994080.weights' '-q' '0' '-e' '0.001'
[2024-05-23 15:22:18] [INFO ] Decomposing Gal with order
[2024-05-23 15:22:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 15:22:18] [INFO ] Removed a total of 2215 redundant transitions.
[2024-05-23 15:22:18] [INFO ] Flatten gal took : 64 ms
[2024-05-23 15:22:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 938 labels/synchronizations in 28 ms.
[2024-05-23 15:22:18] [INFO ] Time to serialize gal into /tmp/UpperBounds8047700461444740540.gal : 7 ms
[2024-05-23 15:22:18] [INFO ] Time to serialize properties into /tmp/UpperBounds18087699958111923569.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds8047700461444740540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18087699958111923569.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds18087699958111923569.prop.
Detected timeout of ITS tools.
[2024-05-23 15:50:02] [INFO ] Flatten gal took : 27 ms
[2024-05-23 15:50:02] [INFO ] Time to serialize gal into /tmp/UpperBounds3836771136105833383.gal : 5 ms
[2024-05-23 15:50:02] [INFO ] Time to serialize properties into /tmp/UpperBounds10387135034466909767.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds3836771136105833383.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10387135034466909767.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds10387135034466909767.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-c002"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-c002, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r180-tall-171640603000277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c002.tgz
mv FunctionPointer-PT-c002 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 ;