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.r496-tall-171640603100317.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FunctionPointer-PT-c064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640603100317
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 20K May 19 15:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Apr 11 16:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 11 16:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 4.2M May 18 16:42 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c064-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717194543123

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c064
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 22:29:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 22:29:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 22:29:04] [INFO ] Load time of PNML (sax parser for PT used): 379 ms
[2024-05-31 22:29:04] [INFO ] Transformed 2826 places.
[2024-05-31 22:29:04] [INFO ] Transformed 8960 transitions.
[2024-05-31 22:29:04] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 545 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 1198 places in 43 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c064-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:29:04] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2024-05-31 22:29:05] [INFO ] Computed 4 invariants in 87 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[64, +inf, 64, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1]
RANDOM walk for 10016 steps (2 resets) in 148 ms. (67 steps per ms)
FORMULA FunctionPointer-PT-c064-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-c064-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100010 steps (50 resets) in 184 ms. (540 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 1, 1, 3] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:29:05] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2024-05-31 22:29:05] [INFO ] Invariant cache hit.
[2024-05-31 22:29:05] [INFO ] [Real]Absence check using 3 positive place invariants in 25 ms returned sat
[2024-05-31 22:29:05] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 22:29:06] [INFO ] [Real]Absence check using state equation in 778 ms returned sat
[2024-05-31 22:29:06] [INFO ] State equation strengthened by 479 read => feed constraints.
[2024-05-31 22:29:06] [INFO ] [Real]Added 479 Read/Feed constraints in 125 ms returned sat
[2024-05-31 22:29:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:07] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:07] [INFO ] [Nat]Absence check using state equation in 697 ms returned sat
[2024-05-31 22:29:08] [INFO ] [Nat]Added 479 Read/Feed constraints in 204 ms returned sat
[2024-05-31 22:29:09] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 759 ms.
[2024-05-31 22:29:09] [INFO ] Added : 3 causal constraints over 1 iterations in 1165 ms. Result :sat
Minimization took 584 ms.
[2024-05-31 22:29:10] [INFO ] [Real]Absence check using 3 positive place invariants in 12 ms returned sat
[2024-05-31 22:29:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 11 ms returned sat
[2024-05-31 22:29:10] [INFO ] [Real]Absence check using state equation in 678 ms returned sat
[2024-05-31 22:29:11] [INFO ] [Real]Added 479 Read/Feed constraints in 169 ms returned sat
[2024-05-31 22:29:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-31 22:29:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:12] [INFO ] [Nat]Absence check using state equation in 792 ms returned sat
[2024-05-31 22:29:12] [INFO ] [Nat]Added 479 Read/Feed constraints in 115 ms returned sat
[2024-05-31 22:29:12] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 500 ms.
[2024-05-31 22:29:14] [INFO ] Deduced a trap composed of 164 places in 1219 ms of which 85 ms to minimize.
[2024-05-31 22:29:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1465 ms
[2024-05-31 22:29:14] [INFO ] Added : 2 causal constraints over 1 iterations in 2386 ms. Result :sat
Minimization took 579 ms.
[2024-05-31 22:29:15] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:15] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:16] [INFO ] [Real]Absence check using state equation in 771 ms returned sat
[2024-05-31 22:29:16] [INFO ] [Real]Added 479 Read/Feed constraints in 163 ms returned sat
[2024-05-31 22:29:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:17] [INFO ] [Nat]Absence check using state equation in 683 ms returned sat
[2024-05-31 22:29:17] [INFO ] [Nat]Added 479 Read/Feed constraints in 146 ms returned sat
[2024-05-31 22:29:18] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 416 ms.
[2024-05-31 22:29:18] [INFO ] Added : 2 causal constraints over 1 iterations in 748 ms. Result :sat
Minimization took 579 ms.
[2024-05-31 22:29:19] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-31 22:29:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:20] [INFO ] [Real]Absence check using state equation in 756 ms returned sat
[2024-05-31 22:29:20] [INFO ] [Real]Added 479 Read/Feed constraints in 189 ms returned sat
[2024-05-31 22:29:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-31 22:29:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:21] [INFO ] [Nat]Absence check using state equation in 735 ms returned sat
[2024-05-31 22:29:21] [INFO ] [Nat]Added 479 Read/Feed constraints in 109 ms returned sat
[2024-05-31 22:29:22] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 460 ms.
[2024-05-31 22:29:23] [INFO ] Deduced a trap composed of 142 places in 1193 ms of which 17 ms to minimize.
[2024-05-31 22:29:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1427 ms
[2024-05-31 22:29:23] [INFO ] Added : 2 causal constraints over 1 iterations in 2312 ms. Result :sat
Minimization took 593 ms.
[2024-05-31 22:29:24] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:25] [INFO ] [Real]Absence check using state equation in 737 ms returned sat
[2024-05-31 22:29:25] [INFO ] [Real]Added 479 Read/Feed constraints in 161 ms returned sat
[2024-05-31 22:29:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 19 ms returned sat
[2024-05-31 22:29:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:26] [INFO ] [Nat]Absence check using state equation in 728 ms returned sat
[2024-05-31 22:29:26] [INFO ] [Nat]Added 479 Read/Feed constraints in 102 ms returned sat
[2024-05-31 22:29:27] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 498 ms.
[2024-05-31 22:29:27] [INFO ] Added : 1 causal constraints over 1 iterations in 811 ms. Result :sat
Minimization took 582 ms.
[2024-05-31 22:29:28] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:29] [INFO ] [Real]Absence check using state equation in 776 ms returned sat
[2024-05-31 22:29:29] [INFO ] [Real]Added 479 Read/Feed constraints in 154 ms returned sat
[2024-05-31 22:29:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:30] [INFO ] [Nat]Absence check using state equation in 756 ms returned sat
[2024-05-31 22:29:30] [INFO ] [Nat]Added 479 Read/Feed constraints in 99 ms returned sat
[2024-05-31 22:29:31] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 449 ms.
[2024-05-31 22:29:32] [INFO ] Deduced a trap composed of 164 places in 1116 ms of which 11 ms to minimize.
[2024-05-31 22:29:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1338 ms
[2024-05-31 22:29:32] [INFO ] Added : 2 causal constraints over 1 iterations in 2209 ms. Result :sat
Minimization took 581 ms.
[2024-05-31 22:29:33] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-31 22:29:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:34] [INFO ] [Real]Absence check using state equation in 745 ms returned sat
[2024-05-31 22:29:34] [INFO ] [Real]Added 479 Read/Feed constraints in 177 ms returned sat
[2024-05-31 22:29:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:35] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:35] [INFO ] [Nat]Absence check using state equation in 785 ms returned sat
[2024-05-31 22:29:35] [INFO ] [Nat]Added 479 Read/Feed constraints in 113 ms returned sat
[2024-05-31 22:29:36] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 384 ms.
[2024-05-31 22:29:36] [INFO ] Added : 2 causal constraints over 1 iterations in 701 ms. Result :sat
Minimization took 583 ms.
[2024-05-31 22:29:37] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-31 22:29:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:38] [INFO ] [Real]Absence check using state equation in 755 ms returned sat
[2024-05-31 22:29:38] [INFO ] [Real]Added 479 Read/Feed constraints in 102 ms returned sat
[2024-05-31 22:29:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-05-31 22:29:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:39] [INFO ] [Nat]Absence check using state equation in 730 ms returned sat
[2024-05-31 22:29:39] [INFO ] [Nat]Added 479 Read/Feed constraints in 151 ms returned sat
[2024-05-31 22:29:40] [INFO ] Deduced a trap composed of 134 places in 1170 ms of which 11 ms to minimize.
[2024-05-31 22:29:42] [INFO ] Deduced a trap composed of 133 places in 1192 ms of which 12 ms to minimize.
[2024-05-31 22:29:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2844 ms
[2024-05-31 22:29:42] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 444 ms.
[2024-05-31 22:29:43] [INFO ] Added : 2 causal constraints over 1 iterations in 793 ms. Result :sat
Minimization took 294 ms.
[2024-05-31 22:29:43] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2024-05-31 22:29:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:44] [INFO ] [Real]Absence check using state equation in 775 ms returned sat
[2024-05-31 22:29:44] [INFO ] [Real]Added 479 Read/Feed constraints in 109 ms returned sat
[2024-05-31 22:29:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:29:45] [INFO ] [Nat]Absence check using state equation in 734 ms returned sat
[2024-05-31 22:29:45] [INFO ] [Nat]Added 479 Read/Feed constraints in 99 ms returned sat
[2024-05-31 22:29:46] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 416 ms.
[2024-05-31 22:29:46] [INFO ] Added : 1 causal constraints over 1 iterations in 737 ms. Result :sat
Minimization took 580 ms.
[2024-05-31 22:29:47] [INFO ] [Real]Absence check using 3 positive place invariants in 17 ms returned sat
[2024-05-31 22:29:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:48] [INFO ] [Real]Absence check using state equation in 713 ms returned sat
[2024-05-31 22:29:48] [INFO ] [Real]Added 479 Read/Feed constraints in 222 ms returned sat
[2024-05-31 22:29:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:29:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2024-05-31 22:29:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:29:49] [INFO ] [Nat]Absence check using state equation in 761 ms returned sat
[2024-05-31 22:29:49] [INFO ] [Nat]Added 479 Read/Feed constraints in 163 ms returned sat
[2024-05-31 22:29:50] [INFO ] Deduced a trap composed of 142 places in 1195 ms of which 14 ms to minimize.
[2024-05-31 22:29:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1378 ms
[2024-05-31 22:29:51] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 395 ms.
[2024-05-31 22:29:51] [INFO ] Added : 2 causal constraints over 1 iterations in 718 ms. Result :sat
Minimization took 597 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 1, 1, 3] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 1, 1, 3] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
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.13 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Iterating post reduction 0 with 378 rules applied. Total rules applied 379 place count 1422 transition count 5584
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 678 place count 1123 transition count 3292
Iterating global reduction 1 with 299 rules applied. Total rules applied 977 place count 1123 transition count 3292
Ensure Unique test removed 348 transitions
Reduce isomorphic transitions removed 348 transitions.
Iterating post reduction 1 with 348 rules applied. Total rules applied 1325 place count 1123 transition count 2944
Discarding 155 places :
Symmetric choice reduction at 2 with 155 rule applications. Total rules 1480 place count 968 transition count 2634
Iterating global reduction 2 with 155 rules applied. Total rules applied 1635 place count 968 transition count 2634
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 2 with 60 rules applied. Total rules applied 1695 place count 968 transition count 2574
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1709 place count 954 transition count 2546
Iterating global reduction 3 with 14 rules applied. Total rules applied 1723 place count 954 transition count 2546
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1737 place count 940 transition count 2518
Iterating global reduction 3 with 14 rules applied. Total rules applied 1751 place count 940 transition count 2518
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1765 place count 926 transition count 2490
Iterating global reduction 3 with 14 rules applied. Total rules applied 1779 place count 926 transition count 2490
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1793 place count 912 transition count 2462
Iterating global reduction 3 with 14 rules applied. Total rules applied 1807 place count 912 transition count 2462
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1821 place count 898 transition count 2434
Iterating global reduction 3 with 14 rules applied. Total rules applied 1835 place count 898 transition count 2434
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1847 place count 886 transition count 2410
Iterating global reduction 3 with 12 rules applied. Total rules applied 1859 place count 886 transition count 2410
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1871 place count 874 transition count 2386
Iterating global reduction 3 with 12 rules applied. Total rules applied 1883 place count 874 transition count 2386
Discarding 46 places :
Symmetric choice reduction at 3 with 46 rule applications. Total rules 1929 place count 828 transition count 2216
Iterating global reduction 3 with 46 rules applied. Total rules applied 1975 place count 828 transition count 2216
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2034 place count 769 transition count 1980
Iterating global reduction 3 with 59 rules applied. Total rules applied 2093 place count 769 transition count 1980
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2151 place count 711 transition count 1824
Iterating global reduction 3 with 58 rules applied. Total rules applied 2209 place count 711 transition count 1824
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2267 place count 653 transition count 1708
Iterating global reduction 3 with 58 rules applied. Total rules applied 2325 place count 653 transition count 1708
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2383 place count 595 transition count 1592
Iterating global reduction 3 with 58 rules applied. Total rules applied 2441 place count 595 transition count 1592
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2499 place count 537 transition count 1476
Iterating global reduction 3 with 58 rules applied. Total rules applied 2557 place count 537 transition count 1476
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2614 place count 480 transition count 1362
Iterating global reduction 3 with 57 rules applied. Total rules applied 2671 place count 480 transition count 1362
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2691 place count 460 transition count 1322
Iterating global reduction 3 with 20 rules applied. Total rules applied 2711 place count 460 transition count 1322
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 2723 place count 460 transition count 1310
Applied a total of 2723 rules in 1129 ms. Remains 460 /1628 variables (removed 1168) and now considering 1310/5962 (removed 4652) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1148 ms. Remains : 460/1628 places, 1310/5962 transitions.
[2024-05-31 22:29:53] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 10) seen :[5, 6, 2, 2, 6, 3, 1, 1, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 6, 2, 2, 6, 3, 1, 1, 1, 3] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:29:53] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:29:53] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, 6, 2, 2, 6, 3, 1, 1, 1, 3] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2192 ms. (455 steps per ms)
BEST_FIRST walk for 10000010 steps (25 resets) in 13371 ms. (747 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17, 102, 3, 233, 732, 69, 237, 12, 8, 36] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:30:09] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:30:09] [INFO ] Invariant cache hit.
[2024-05-31 22:30:09] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:30:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:09] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:30:09] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:30:09] [INFO ] [Real]Added 92 Read/Feed constraints in 56 ms returned sat
[2024-05-31 22:30:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-31 22:30:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:10] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2024-05-31 22:30:10] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:30:10] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:30:10] [INFO ] Added : 1 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 474 ms.
[2024-05-31 22:30:10] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:11] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-31 22:30:11] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:30:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:11] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:30:11] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:30:11] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 76 ms.
[2024-05-31 22:30:11] [INFO ] Added : 16 causal constraints over 5 iterations in 310 ms. Result :sat
Minimization took 466 ms.
[2024-05-31 22:30:12] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:30:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:30:12] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:30:12] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:30:12] [INFO ] Added : 1 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 475 ms.
[2024-05-31 22:30:13] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:13] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2024-05-31 22:30:13] [INFO ] [Real]Added 92 Read/Feed constraints in 43 ms returned sat
[2024-05-31 22:30:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:14] [INFO ] [Nat]Absence check using state equation in 200 ms returned sat
[2024-05-31 22:30:14] [INFO ] [Nat]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:30:14] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 99 ms.
[2024-05-31 22:30:14] [INFO ] Added : 15 causal constraints over 5 iterations in 406 ms. Result :sat
Minimization took 471 ms.
[2024-05-31 22:30:15] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Real]Added 92 Read/Feed constraints in 52 ms returned sat
[2024-05-31 22:30:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:30:15] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:30:15] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:30:15] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 440 ms.
[2024-05-31 22:30:16] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:30:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-31 22:30:16] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:30:16] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 72 ms.
[2024-05-31 22:30:17] [INFO ] Added : 14 causal constraints over 4 iterations in 301 ms. Result :sat
Minimization took 431 ms.
[2024-05-31 22:30:17] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:17] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:30:17] [INFO ] [Real]Added 92 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:30:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:18] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-31 22:30:18] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:30:18] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:30:18] [INFO ] Added : 13 causal constraints over 4 iterations in 258 ms. Result :sat
Minimization took 438 ms.
[2024-05-31 22:30:19] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:30:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:30:19] [INFO ] [Nat]Added 92 Read/Feed constraints in 46 ms returned sat
[2024-05-31 22:30:19] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:30:19] [INFO ] Added : 2 causal constraints over 1 iterations in 180 ms. Result :sat
Minimization took 441 ms.
[2024-05-31 22:30:20] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:30:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:30:20] [INFO ] [Nat]Added 92 Read/Feed constraints in 22 ms returned sat
[2024-05-31 22:30:20] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:30:20] [INFO ] Added : 1 causal constraints over 1 iterations in 157 ms. Result :sat
Minimization took 432 ms.
[2024-05-31 22:30:21] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Real]Added 92 Read/Feed constraints in 52 ms returned sat
[2024-05-31 22:30:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:30:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:30:21] [INFO ] [Nat]Added 92 Read/Feed constraints in 20 ms returned sat
[2024-05-31 22:30:22] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 76 ms.
[2024-05-31 22:30:22] [INFO ] Added : 13 causal constraints over 3 iterations in 255 ms. Result :sat
Minimization took 434 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17, 102, 3, 233, 732, 69, 237, 12, 8, 36] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 102, 62, 233, 732, 69, 237, 63, 8, 36] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 63 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 53 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:30:23] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:30:23] [INFO ] Invariant cache hit.
[2024-05-31 22:30:24] [INFO ] Implicit Places using invariants in 490 ms returned []
[2024-05-31 22:30:24] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:30:24] [INFO ] Invariant cache hit.
[2024-05-31 22:30:24] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:30:25] [INFO ] Implicit Places using invariants and state equation in 1363 ms returned []
Implicit Place search using SMT with State Equation took 1859 ms to find 0 implicit places.
[2024-05-31 22:30:25] [INFO ] Redundant transitions in 78 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:30:25] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:30:25] [INFO ] Invariant cache hit.
[2024-05-31 22:30:25] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34588ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34620ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36634 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:31:00] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 10) seen :[2, 2, 2, 2, 6, 5, 3, 0, 3, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 102, 62, 233, 732, 69, 237, 63, 8, 36] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:31:00] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:31:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 102, 62, 233, 732, 69, 237, 63, 8, 36] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2186 ms. (457 steps per ms)
BEST_FIRST walk for 10000010 steps (22 resets) in 12991 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 41] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:31:15] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:31:15] [INFO ] Invariant cache hit.
[2024-05-31 22:31:15] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:15] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2024-05-31 22:31:15] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:31:15] [INFO ] [Real]Added 92 Read/Feed constraints in 44 ms returned sat
[2024-05-31 22:31:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:31:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:16] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-05-31 22:31:16] [INFO ] [Nat]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:31:16] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:31:16] [INFO ] Added : 1 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 450 ms.
[2024-05-31 22:31:16] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:17] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:31:17] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:31:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:31:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:17] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-31 22:31:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:31:17] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 76 ms.
[2024-05-31 22:31:17] [INFO ] Added : 16 causal constraints over 5 iterations in 313 ms. Result :sat
Minimization took 416 ms.
[2024-05-31 22:31:18] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Real]Added 92 Read/Feed constraints in 41 ms returned sat
[2024-05-31 22:31:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:31:18] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:31:18] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:31:18] [INFO ] Added : 1 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 484 ms.
[2024-05-31 22:31:19] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:19] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2024-05-31 22:31:19] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:31:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:20] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-31 22:31:20] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:31:20] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 74 ms.
[2024-05-31 22:31:20] [INFO ] Added : 15 causal constraints over 5 iterations in 320 ms. Result :sat
Minimization took 485 ms.
[2024-05-31 22:31:21] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Real]Added 92 Read/Feed constraints in 51 ms returned sat
[2024-05-31 22:31:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-31 22:31:21] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:31:21] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:31:21] [INFO ] Added : 1 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 473 ms.
[2024-05-31 22:31:22] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:31:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:31:22] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:31:22] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:31:22] [INFO ] Added : 14 causal constraints over 4 iterations in 259 ms. Result :sat
Minimization took 479 ms.
[2024-05-31 22:31:23] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:23] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:31:23] [INFO ] [Real]Added 92 Read/Feed constraints in 38 ms returned sat
[2024-05-31 22:31:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:24] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:31:24] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:31:24] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 61 ms.
[2024-05-31 22:31:24] [INFO ] Added : 13 causal constraints over 4 iterations in 282 ms. Result :sat
Minimization took 480 ms.
[2024-05-31 22:31:24] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:31:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:25] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-31 22:31:25] [INFO ] [Real]Added 92 Read/Feed constraints in 57 ms returned sat
[2024-05-31 22:31:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:25] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:31:25] [INFO ] [Nat]Added 92 Read/Feed constraints in 47 ms returned sat
[2024-05-31 22:31:25] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:31:25] [INFO ] Added : 2 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 493 ms.
[2024-05-31 22:31:26] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Real]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:31:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:31:26] [INFO ] [Nat]Added 92 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:31:26] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:31:26] [INFO ] Added : 1 causal constraints over 1 iterations in 158 ms. Result :sat
Minimization took 475 ms.
[2024-05-31 22:31:27] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:31:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:31:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:31:27] [INFO ] [Nat]Added 92 Read/Feed constraints in 19 ms returned sat
[2024-05-31 22:31:28] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:31:28] [INFO ] Added : 13 causal constraints over 3 iterations in 234 ms. Result :sat
Minimization took 477 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 41] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 41] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 53 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 50 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:31:29] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:31:29] [INFO ] Invariant cache hit.
[2024-05-31 22:31:30] [INFO ] Implicit Places using invariants in 503 ms returned []
[2024-05-31 22:31:30] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:31:30] [INFO ] Invariant cache hit.
[2024-05-31 22:31:30] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:31:31] [INFO ] Implicit Places using invariants and state equation in 1296 ms returned []
Implicit Place search using SMT with State Equation took 1805 ms to find 0 implicit places.
[2024-05-31 22:31:31] [INFO ] Redundant transitions in 20 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:31:31] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:31:31] [INFO ] Invariant cache hit.
[2024-05-31 22:31:31] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34549ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34561ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36456 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:32:06] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 10) seen :[1, 3, 3, 3, 5, 5, 2, 1, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 41] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:32:06] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:32:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 41] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 2180 ms. (458 steps per ms)
BEST_FIRST walk for 10000010 steps (25 resets) in 13320 ms. (750 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:32:21] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:32:21] [INFO ] Invariant cache hit.
[2024-05-31 22:32:21] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:22] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-31 22:32:22] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:32:22] [INFO ] [Real]Added 92 Read/Feed constraints in 41 ms returned sat
[2024-05-31 22:32:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:22] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-31 22:32:22] [INFO ] [Nat]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:32:22] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 74 ms.
[2024-05-31 22:32:22] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 441 ms.
[2024-05-31 22:32:23] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Real]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:32:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-31 22:32:23] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:32:23] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 71 ms.
[2024-05-31 22:32:24] [INFO ] Added : 16 causal constraints over 5 iterations in 315 ms. Result :sat
Minimization took 427 ms.
[2024-05-31 22:32:24] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:24] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:32:24] [INFO ] [Real]Added 92 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:32:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:25] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:32:25] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:32:25] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 80 ms.
[2024-05-31 22:32:25] [INFO ] Added : 1 causal constraints over 1 iterations in 178 ms. Result :sat
Minimization took 475 ms.
[2024-05-31 22:32:25] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:26] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-31 22:32:26] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:32:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:26] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-31 22:32:26] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:32:26] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 74 ms.
[2024-05-31 22:32:26] [INFO ] Added : 15 causal constraints over 5 iterations in 314 ms. Result :sat
Minimization took 432 ms.
[2024-05-31 22:32:27] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Real]Added 92 Read/Feed constraints in 55 ms returned sat
[2024-05-31 22:32:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:32:27] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:32:27] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 74 ms.
[2024-05-31 22:32:27] [INFO ] Added : 1 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 435 ms.
[2024-05-31 22:32:28] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:32:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:32:28] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:32:29] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 76 ms.
[2024-05-31 22:32:29] [INFO ] Added : 14 causal constraints over 4 iterations in 288 ms. Result :sat
Minimization took 441 ms.
[2024-05-31 22:32:29] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:29] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:32:29] [INFO ] [Real]Added 92 Read/Feed constraints in 35 ms returned sat
[2024-05-31 22:32:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:30] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:32:30] [INFO ] [Nat]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:32:30] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 79 ms.
[2024-05-31 22:32:30] [INFO ] Added : 13 causal constraints over 4 iterations in 281 ms. Result :sat
Minimization took 460 ms.
[2024-05-31 22:32:31] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Real]Absence check using state equation in 166 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Real]Added 92 Read/Feed constraints in 55 ms returned sat
[2024-05-31 22:32:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Nat]Absence check using state equation in 167 ms returned sat
[2024-05-31 22:32:31] [INFO ] [Nat]Added 92 Read/Feed constraints in 63 ms returned sat
[2024-05-31 22:32:31] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:32:31] [INFO ] Added : 2 causal constraints over 1 iterations in 169 ms. Result :sat
Minimization took 480 ms.
[2024-05-31 22:32:32] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Real]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:32:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2024-05-31 22:32:32] [INFO ] [Nat]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:32:33] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 79 ms.
[2024-05-31 22:32:33] [INFO ] Added : 1 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 453 ms.
[2024-05-31 22:32:33] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:33] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-31 22:32:33] [INFO ] [Real]Added 92 Read/Feed constraints in 23 ms returned sat
[2024-05-31 22:32:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:32:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:32:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:32:34] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:32:34] [INFO ] [Nat]Added 92 Read/Feed constraints in 18 ms returned sat
[2024-05-31 22:32:34] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 84 ms.
[2024-05-31 22:32:34] [INFO ] Added : 16 causal constraints over 4 iterations in 303 ms. Result :sat
Minimization took 439 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 63 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 51 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:32:35] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:32:35] [INFO ] Invariant cache hit.
[2024-05-31 22:32:36] [INFO ] Implicit Places using invariants in 325 ms returned []
[2024-05-31 22:32:36] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:32:36] [INFO ] Invariant cache hit.
[2024-05-31 22:32:36] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:32:37] [INFO ] Implicit Places using invariants and state equation in 1222 ms returned []
Implicit Place search using SMT with State Equation took 1558 ms to find 0 implicit places.
[2024-05-31 22:32:37] [INFO ] Redundant transitions in 16 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:32:37] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:32:37] [INFO ] Invariant cache hit.
[2024-05-31 22:32:37] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34000ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34011ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35651 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:33:11] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 10) seen :[1, 4, 3, 2, 4, 3, 1, 0, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:33:11] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:33:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 188, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2250 ms. (444 steps per ms)
BEST_FIRST walk for 10000009 steps (24 resets) in 12828 ms. (779 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:33:26] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:33:26] [INFO ] Invariant cache hit.
[2024-05-31 22:33:26] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:27] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-31 22:33:27] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:33:27] [INFO ] [Real]Added 92 Read/Feed constraints in 38 ms returned sat
[2024-05-31 22:33:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:27] [INFO ] [Nat]Absence check using state equation in 171 ms returned sat
[2024-05-31 22:33:27] [INFO ] [Nat]Added 92 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:33:27] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:33:27] [INFO ] Added : 1 causal constraints over 1 iterations in 172 ms. Result :sat
Minimization took 504 ms.
[2024-05-31 22:33:28] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Real]Absence check using state equation in 161 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:33:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2024-05-31 22:33:28] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:33:28] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:33:29] [INFO ] Added : 16 causal constraints over 5 iterations in 290 ms. Result :sat
Minimization took 446 ms.
[2024-05-31 22:33:29] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:29] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:33:29] [INFO ] [Real]Added 92 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:33:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 22:33:30] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:33:30] [INFO ] [Nat]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:33:30] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:33:30] [INFO ] Added : 1 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 441 ms.
[2024-05-31 22:33:30] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:33:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:30] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-31 22:33:31] [INFO ] [Real]Added 92 Read/Feed constraints in 43 ms returned sat
[2024-05-31 22:33:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:33:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:31] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:33:31] [INFO ] [Nat]Added 92 Read/Feed constraints in 41 ms returned sat
[2024-05-31 22:33:31] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:33:31] [INFO ] Added : 15 causal constraints over 5 iterations in 288 ms. Result :sat
Minimization took 432 ms.
[2024-05-31 22:33:32] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Real]Added 92 Read/Feed constraints in 49 ms returned sat
[2024-05-31 22:33:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-31 22:33:32] [INFO ] [Nat]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:33:32] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:33:32] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 462 ms.
[2024-05-31 22:33:33] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:33:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:33:33] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:33:33] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:33:34] [INFO ] Added : 14 causal constraints over 4 iterations in 260 ms. Result :sat
Minimization took 451 ms.
[2024-05-31 22:33:34] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:34] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:33:34] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:33:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2024-05-31 22:33:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:35] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:33:35] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:33:35] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:33:35] [INFO ] Added : 13 causal constraints over 4 iterations in 255 ms. Result :sat
Minimization took 447 ms.
[2024-05-31 22:33:36] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Real]Added 92 Read/Feed constraints in 56 ms returned sat
[2024-05-31 22:33:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:33:36] [INFO ] [Nat]Added 92 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:33:36] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:33:36] [INFO ] Added : 2 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 454 ms.
[2024-05-31 22:33:37] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Real]Added 92 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:33:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2024-05-31 22:33:37] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:33:37] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:33:38] [INFO ] Added : 1 causal constraints over 1 iterations in 160 ms. Result :sat
Minimization took 481 ms.
[2024-05-31 22:33:38] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:33:38] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:33:38] [INFO ] [Real]Added 92 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:33:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:33:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:33:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:33:39] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:33:39] [INFO ] [Nat]Added 92 Read/Feed constraints in 18 ms returned sat
[2024-05-31 22:33:39] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 60 ms.
[2024-05-31 22:33:39] [INFO ] Added : 16 causal constraints over 4 iterations in 257 ms. Result :sat
Minimization took 427 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 48 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 46 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:33:40] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:33:40] [INFO ] Invariant cache hit.
[2024-05-31 22:33:40] [INFO ] Implicit Places using invariants in 317 ms returned []
[2024-05-31 22:33:40] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:33:40] [INFO ] Invariant cache hit.
[2024-05-31 22:33:41] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:33:42] [INFO ] Implicit Places using invariants and state equation in 1220 ms returned []
Implicit Place search using SMT with State Equation took 1539 ms to find 0 implicit places.
[2024-05-31 22:33:42] [INFO ] Redundant transitions in 16 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:33:42] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:33:42] [INFO ] Invariant cache hit.
[2024-05-31 22:33:42] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34235ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34246ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35858 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:34:16] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 5 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) seen :[2, 3, 3, 1, 3, 3, 3, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:34:16] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:34:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 102, 62, 233, 732, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2175 ms. (459 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 12839 ms. (778 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 102, 62, 233, 880, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:34:31] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:34:31] [INFO ] Invariant cache hit.
[2024-05-31 22:34:31] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:34:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:31] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-31 22:34:32] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:34:32] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:34:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:32] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:34:32] [INFO ] [Nat]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:34:32] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 61 ms.
[2024-05-31 22:34:32] [INFO ] Added : 1 causal constraints over 1 iterations in 142 ms. Result :sat
Minimization took 439 ms.
[2024-05-31 22:34:33] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:34:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:34:33] [INFO ] [Nat]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:34:33] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:34:33] [INFO ] Added : 16 causal constraints over 5 iterations in 289 ms. Result :sat
Minimization took 439 ms.
[2024-05-31 22:34:34] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Real]Added 92 Read/Feed constraints in 65 ms returned sat
[2024-05-31 22:34:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:34:34] [INFO ] [Nat]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:34:34] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:34:35] [INFO ] Added : 1 causal constraints over 1 iterations in 146 ms. Result :sat
Minimization took 431 ms.
[2024-05-31 22:34:35] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:34:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:35] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2024-05-31 22:34:35] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:34:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:36] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:34:36] [INFO ] [Nat]Added 92 Read/Feed constraints in 46 ms returned sat
[2024-05-31 22:34:36] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:34:36] [INFO ] Added : 15 causal constraints over 5 iterations in 303 ms. Result :sat
Minimization took 422 ms.
[2024-05-31 22:34:36] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:37] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:34:37] [INFO ] [Real]Added 92 Read/Feed constraints in 54 ms returned sat
[2024-05-31 22:34:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:34:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:37] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2024-05-31 22:34:37] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:34:37] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:34:37] [INFO ] Added : 1 causal constraints over 1 iterations in 152 ms. Result :sat
Minimization took 430 ms.
[2024-05-31 22:34:38] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:34:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:34:38] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:34:38] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:34:38] [INFO ] Added : 14 causal constraints over 4 iterations in 258 ms. Result :sat
Minimization took 425 ms.
[2024-05-31 22:34:39] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Real]Absence check using state equation in 159 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:34:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:34:39] [INFO ] [Nat]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:34:40] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:34:40] [INFO ] Added : 13 causal constraints over 4 iterations in 260 ms. Result :sat
Minimization took 420 ms.
[2024-05-31 22:34:40] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:40] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2024-05-31 22:34:41] [INFO ] [Real]Added 92 Read/Feed constraints in 53 ms returned sat
[2024-05-31 22:34:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:41] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2024-05-31 22:34:41] [INFO ] [Nat]Added 92 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:34:41] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:34:41] [INFO ] Added : 2 causal constraints over 1 iterations in 163 ms. Result :sat
Minimization took 437 ms.
[2024-05-31 22:34:42] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Real]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:34:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:34:42] [INFO ] [Nat]Added 92 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:34:42] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:34:42] [INFO ] Added : 1 causal constraints over 1 iterations in 154 ms. Result :sat
Minimization took 414 ms.
[2024-05-31 22:34:43] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Real]Added 92 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:34:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:34:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:34:43] [INFO ] [Nat]Added 92 Read/Feed constraints in 19 ms returned sat
[2024-05-31 22:34:43] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:34:44] [INFO ] Added : 16 causal constraints over 4 iterations in 273 ms. Result :sat
Minimization took 425 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 102, 62, 233, 880, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 102, 62, 233, 880, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 47 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 47 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:34:45] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:34:45] [INFO ] Invariant cache hit.
[2024-05-31 22:34:45] [INFO ] Implicit Places using invariants in 305 ms returned []
[2024-05-31 22:34:45] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:34:45] [INFO ] Invariant cache hit.
[2024-05-31 22:34:45] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:34:46] [INFO ] Implicit Places using invariants and state equation in 1266 ms returned []
Implicit Place search using SMT with State Equation took 1590 ms to find 0 implicit places.
[2024-05-31 22:34:46] [INFO ] Redundant transitions in 22 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:34:46] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:34:46] [INFO ] Invariant cache hit.
[2024-05-31 22:34:46] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s164 timeout
0.0)
(s165 0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34369ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34381ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36050 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:35:21] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 10) seen :[1, 4, 1, 2, 3, 3, 3, 2, 2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 102, 62, 233, 880, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:35:21] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:35:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 102, 62, 233, 880, 215, 237, 63, 193, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 2165 ms. (461 steps per ms)
BEST_FIRST walk for 10000010 steps (23 resets) in 13870 ms. (720 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 126, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:35:37] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:35:37] [INFO ] Invariant cache hit.
[2024-05-31 22:35:37] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:37] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-31 22:35:37] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:35:37] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:35:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:38] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-05-31 22:35:38] [INFO ] [Nat]Added 92 Read/Feed constraints in 35 ms returned sat
[2024-05-31 22:35:38] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:35:38] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 488 ms.
[2024-05-31 22:35:39] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:35:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 15 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:35:39] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:35:39] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:35:39] [INFO ] Added : 16 causal constraints over 5 iterations in 301 ms. Result :sat
Minimization took 461 ms.
[2024-05-31 22:35:40] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Real]Added 92 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:35:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-31 22:35:40] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:35:41] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:35:41] [INFO ] Added : 1 causal constraints over 1 iterations in 164 ms. Result :sat
Minimization took 456 ms.
[2024-05-31 22:35:41] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:41] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:35:41] [INFO ] [Real]Added 92 Read/Feed constraints in 43 ms returned sat
[2024-05-31 22:35:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:35:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:42] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-31 22:35:42] [INFO ] [Nat]Added 92 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:35:42] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:35:42] [INFO ] Added : 15 causal constraints over 5 iterations in 315 ms. Result :sat
Minimization took 453 ms.
[2024-05-31 22:35:43] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Real]Added 92 Read/Feed constraints in 49 ms returned sat
[2024-05-31 22:35:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-31 22:35:43] [INFO ] [Nat]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:35:43] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 72 ms.
[2024-05-31 22:35:43] [INFO ] Added : 1 causal constraints over 1 iterations in 161 ms. Result :sat
Minimization took 448 ms.
[2024-05-31 22:35:44] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:35:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2024-05-31 22:35:44] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:35:44] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:35:45] [INFO ] Added : 14 causal constraints over 4 iterations in 264 ms. Result :sat
Minimization took 455 ms.
[2024-05-31 22:35:45] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:45] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:35:45] [INFO ] [Real]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:35:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:46] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-31 22:35:46] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:35:46] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:35:46] [INFO ] Added : 13 causal constraints over 4 iterations in 265 ms. Result :sat
Minimization took 473 ms.
[2024-05-31 22:35:46] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:47] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-31 22:35:47] [INFO ] [Real]Added 92 Read/Feed constraints in 53 ms returned sat
[2024-05-31 22:35:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:47] [INFO ] [Nat]Absence check using state equation in 133 ms returned sat
[2024-05-31 22:35:47] [INFO ] [Nat]Added 92 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:35:47] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 60 ms.
[2024-05-31 22:35:47] [INFO ] Added : 2 causal constraints over 1 iterations in 156 ms. Result :sat
Minimization took 474 ms.
[2024-05-31 22:35:48] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Real]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:35:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2024-05-31 22:35:48] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:35:48] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:35:48] [INFO ] Added : 1 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 458 ms.
[2024-05-31 22:35:49] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Real]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:35:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:35:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:35:49] [INFO ] [Nat]Added 92 Read/Feed constraints in 18 ms returned sat
[2024-05-31 22:35:49] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 62 ms.
[2024-05-31 22:35:50] [INFO ] Added : 16 causal constraints over 4 iterations in 253 ms. Result :sat
Minimization took 475 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 126, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 126, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 47 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 47 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:35:51] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:35:51] [INFO ] Invariant cache hit.
[2024-05-31 22:35:51] [INFO ] Implicit Places using invariants in 319 ms returned []
[2024-05-31 22:35:51] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:35:51] [INFO ] Invariant cache hit.
[2024-05-31 22:35:51] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:35:53] [INFO ] Implicit Places using invariants and state equation in 1267 ms returned []
Implicit Place search using SMT with State Equation took 1589 ms to find 0 implicit places.
[2024-05-31 22:35:53] [INFO ] Redundant transitions in 17 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:35:53] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:35:53] [INFO ] Invariant cache hit.
[2024-05-31 22:35:53] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34403ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34413ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36075 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:36:27] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 10) seen :[1, 4, 1, 2, 6, 2, 0, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 126, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:36:27] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:36:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 126, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2197 ms. (454 steps per ms)
BEST_FIRST walk for 10000010 steps (22 resets) in 13515 ms. (739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:36:43] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:36:43] [INFO ] Invariant cache hit.
[2024-05-31 22:36:43] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:36:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:43] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-05-31 22:36:43] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:36:43] [INFO ] [Real]Added 92 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:36:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:44] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2024-05-31 22:36:44] [INFO ] [Nat]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:36:44] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 71 ms.
[2024-05-31 22:36:44] [INFO ] Added : 1 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 435 ms.
[2024-05-31 22:36:44] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:44] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:36:45] [INFO ] [Real]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:36:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 22:36:45] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:36:45] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:36:45] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:36:45] [INFO ] Added : 16 causal constraints over 5 iterations in 293 ms. Result :sat
Minimization took 432 ms.
[2024-05-31 22:36:46] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:36:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
[2024-05-31 22:36:46] [INFO ] [Nat]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:36:46] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 64 ms.
[2024-05-31 22:36:46] [INFO ] Added : 1 causal constraints over 1 iterations in 158 ms. Result :sat
Minimization took 432 ms.
[2024-05-31 22:36:47] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:36:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:36:47] [INFO ] [Nat]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:36:47] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:36:48] [INFO ] Added : 15 causal constraints over 5 iterations in 307 ms. Result :sat
Minimization took 487 ms.
[2024-05-31 22:36:48] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:48] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:36:48] [INFO ] [Real]Added 92 Read/Feed constraints in 51 ms returned sat
[2024-05-31 22:36:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:49] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2024-05-31 22:36:49] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:36:49] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:36:49] [INFO ] Added : 1 causal constraints over 1 iterations in 151 ms. Result :sat
Minimization took 425 ms.
[2024-05-31 22:36:49] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:50] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2024-05-31 22:36:50] [INFO ] [Real]Added 92 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:36:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:50] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:36:50] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:36:50] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 69 ms.
[2024-05-31 22:36:50] [INFO ] Added : 14 causal constraints over 4 iterations in 255 ms. Result :sat
Minimization took 494 ms.
[2024-05-31 22:36:51] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Real]Added 92 Read/Feed constraints in 36 ms returned sat
[2024-05-31 22:36:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:36:51] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:36:51] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:36:52] [INFO ] Added : 13 causal constraints over 4 iterations in 250 ms. Result :sat
Minimization took 428 ms.
[2024-05-31 22:36:52] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:52] [INFO ] [Real]Absence check using state equation in 151 ms returned sat
[2024-05-31 22:36:52] [INFO ] [Real]Added 92 Read/Feed constraints in 55 ms returned sat
[2024-05-31 22:36:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-31 22:36:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:53] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-05-31 22:36:53] [INFO ] [Nat]Added 92 Read/Feed constraints in 47 ms returned sat
[2024-05-31 22:36:53] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:36:53] [INFO ] Added : 2 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 450 ms.
[2024-05-31 22:36:53] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:36:53] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:36:54] [INFO ] [Real]Added 92 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:36:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:54] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:36:54] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:36:54] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:36:54] [INFO ] Added : 1 causal constraints over 1 iterations in 155 ms. Result :sat
Minimization took 422 ms.
[2024-05-31 22:36:54] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:55] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:36:55] [INFO ] [Real]Added 92 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:36:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:36:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:36:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:36:55] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-31 22:36:55] [INFO ] [Nat]Added 92 Read/Feed constraints in 20 ms returned sat
[2024-05-31 22:36:55] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 72 ms.
[2024-05-31 22:36:55] [INFO ] Added : 16 causal constraints over 4 iterations in 286 ms. Result :sat
Minimization took 483 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 55 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 49 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:36:57] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:36:57] [INFO ] Invariant cache hit.
[2024-05-31 22:36:57] [INFO ] Implicit Places using invariants in 313 ms returned []
[2024-05-31 22:36:57] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:36:57] [INFO ] Invariant cache hit.
[2024-05-31 22:36:57] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:36:58] [INFO ] Implicit Places using invariants and state equation in 1285 ms returned []
Implicit Place search using SMT with State Equation took 1609 ms to find 0 implicit places.
[2024-05-31 22:36:58] [INFO ] Redundant transitions in 21 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:36:58] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:36:58] [INFO ] Invariant cache hit.
[2024-05-31 22:36:58] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34404ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34415ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36100 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:37:33] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 10) seen :[1, 3, 1, 2, 4, 5, 1, 0, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:37:33] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:37:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2122 ms. (471 steps per ms)
BEST_FIRST walk for 10000010 steps (24 resets) in 12981 ms. (770 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 22:37:48] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:37:48] [INFO ] Invariant cache hit.
[2024-05-31 22:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:48] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2024-05-31 22:37:48] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:37:48] [INFO ] [Real]Added 92 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:37:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:49] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:37:49] [INFO ] [Nat]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:37:49] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:37:49] [INFO ] Added : 1 causal constraints over 1 iterations in 154 ms. Result :sat
Minimization took 438 ms.
[2024-05-31 22:37:49] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:50] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2024-05-31 22:37:50] [INFO ] [Real]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:37:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:37:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:50] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-05-31 22:37:50] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:37:50] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:37:50] [INFO ] Added : 16 causal constraints over 5 iterations in 318 ms. Result :sat
Minimization took 448 ms.
[2024-05-31 22:37:51] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Real]Added 92 Read/Feed constraints in 38 ms returned sat
[2024-05-31 22:37:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2024-05-31 22:37:51] [INFO ] [Nat]Added 92 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:37:51] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 67 ms.
[2024-05-31 22:37:51] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 500 ms.
[2024-05-31 22:37:52] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:52] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:37:52] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:37:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:52] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2024-05-31 22:37:53] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:37:53] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:37:53] [INFO ] Added : 15 causal constraints over 5 iterations in 301 ms. Result :sat
Minimization took 493 ms.
[2024-05-31 22:37:53] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:54] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:37:54] [INFO ] [Real]Added 92 Read/Feed constraints in 51 ms returned sat
[2024-05-31 22:37:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:54] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:37:54] [INFO ] [Nat]Added 92 Read/Feed constraints in 32 ms returned sat
[2024-05-31 22:37:54] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:37:54] [INFO ] Added : 1 causal constraints over 1 iterations in 165 ms. Result :sat
Minimization took 434 ms.
[2024-05-31 22:37:55] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:37:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2024-05-31 22:37:55] [INFO ] [Nat]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:37:55] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:37:55] [INFO ] Added : 14 causal constraints over 4 iterations in 281 ms. Result :sat
Minimization took 441 ms.
[2024-05-31 22:37:56] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Real]Added 92 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:37:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:37:56] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:37:57] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:37:57] [INFO ] Added : 13 causal constraints over 4 iterations in 261 ms. Result :sat
Minimization took 483 ms.
[2024-05-31 22:37:57] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:57] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:37:58] [INFO ] [Real]Added 92 Read/Feed constraints in 56 ms returned sat
[2024-05-31 22:37:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:37:58] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2024-05-31 22:37:58] [INFO ] [Nat]Added 92 Read/Feed constraints in 46 ms returned sat
[2024-05-31 22:37:58] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:37:58] [INFO ] Added : 2 causal constraints over 1 iterations in 171 ms. Result :sat
Minimization took 501 ms.
[2024-05-31 22:37:59] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Real]Added 92 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:37:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:37:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:37:59] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:37:59] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 63 ms.
[2024-05-31 22:37:59] [INFO ] Added : 1 causal constraints over 1 iterations in 147 ms. Result :sat
Minimization took 424 ms.
[2024-05-31 22:38:00] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Real]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:38:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:38:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2024-05-31 22:38:00] [INFO ] [Nat]Added 92 Read/Feed constraints in 20 ms returned sat
[2024-05-31 22:38:00] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 73 ms.
[2024-05-31 22:38:01] [INFO ] Added : 16 causal constraints over 4 iterations in 285 ms. Result :sat
Minimization took 429 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 53 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 52 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:38:02] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:38:02] [INFO ] Invariant cache hit.
[2024-05-31 22:38:02] [INFO ] Implicit Places using invariants in 331 ms returned []
[2024-05-31 22:38:02] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:38:02] [INFO ] Invariant cache hit.
[2024-05-31 22:38:02] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:38:03] [INFO ] Implicit Places using invariants and state equation in 1264 ms returned []
Implicit Place search using SMT with State Equation took 1597 ms to find 0 implicit places.
[2024-05-31 22:38:03] [INFO ] Redundant transitions in 18 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:38:04] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:38:04] [INFO ] Invariant cache hit.
[2024-05-31 22:38:04] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 34933ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 34946ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36630 ms. Remains : 460/460 places, 1310/1310 transitions.
[2024-05-31 22:38:38] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
Found an invariant !
This invariant on transitions {222=1, 348=1, 551=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 5 ms.
This minimized invariant on transitions {255=1, 381=1, 584=1, 744=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 10) seen :[1, 2, 0, 2, 3, 1, 2, 2, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (8 resets) in 845 ms. (47 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 109 ms. (363 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 194844 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 12
Probabilistic random walk after 194844 steps, saw 119493 distinct states, run finished after 3007 ms. (steps per millisecond=64 ) properties seen :0
[2024-05-31 22:38:43] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:38:43] [INFO ] Invariant cache hit.
[2024-05-31 22:38:43] [INFO ] State equation strengthened by 92 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 382/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 662/1054 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1054 variables, 2/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1054 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 89/1143 variables, 22/417 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1143 variables, 83/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1143 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 12/1155 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1155 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1155 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 49/1204 variables, 35/538 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1204 variables, 7/545 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1204 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 11/1215 variables, 9/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1215 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/1215 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1215/1215 variables, and 554 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1545 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 460/460 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 382/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 662/1054 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1054 variables, 2/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1054 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 89/1143 variables, 22/417 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1143 variables, 83/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1143 variables, 12/512 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2024-05-31 22:38:45] [INFO ] Deduced a trap composed of 135 places in 150 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1143 variables, 1/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1143 variables, 0/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 12/1155 variables, 1/514 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1155 variables, 2/516 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1155 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 49/1204 variables, 35/551 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1204 variables, 7/558 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1204 variables, 0/558 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 11/1215 variables, 9/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1215 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 19 (OVERLAPS) 0/1215 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1215/1215 variables, and 567 constraints, problems are : Problem set: 0 solved, 12 unsolved in 2557 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 460/460 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints]
After SMT, in 4136ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 30001 ms.
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 51 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 460/460 places, 1310/1310 transitions.
RANDOM walk for 40000 steps (8 resets) in 261 ms. (152 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 175521 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :0 out of 12
Probabilistic random walk after 175521 steps, saw 107644 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
[2024-05-31 22:39:20] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:39:20] [INFO ] Invariant cache hit.
[2024-05-31 22:39:20] [INFO ] State equation strengthened by 92 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 382/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 662/1054 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1054 variables, 2/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1054 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 89/1143 variables, 22/417 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1143 variables, 83/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1143 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 12/1155 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1155 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1155 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 49/1204 variables, 35/538 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1204 variables, 7/545 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1204 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 11/1215 variables, 9/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1215 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/1215 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1215/1215 variables, and 554 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1548 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 460/460 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 382/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 662/1054 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1054 variables, 2/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1054 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 89/1143 variables, 22/417 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1143 variables, 83/500 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1143 variables, 12/512 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2024-05-31 22:39:22] [INFO ] Deduced a trap composed of 135 places in 160 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1143 variables, 1/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1143 variables, 0/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 12/1155 variables, 1/514 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1155 variables, 2/516 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1155 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 49/1204 variables, 35/551 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1204 variables, 7/558 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1204 variables, 0/558 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 11/1215 variables, 9/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1215 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 19 (OVERLAPS) 0/1215 variables, 0/567 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1215/1215 variables, and 567 constraints, problems are : Problem set: 0 solved, 12 unsolved in 2455 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 460/460 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints]
After SMT, in 4017ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 30000 ms.
Support contains 10 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 49 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 460/460 places, 1310/1310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Applied a total of 0 rules in 47 ms. Remains 460 /460 variables (removed 0) and now considering 1310/1310 (removed 0) transitions.
[2024-05-31 22:39:54] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:39:54] [INFO ] Invariant cache hit.
[2024-05-31 22:39:55] [INFO ] Implicit Places using invariants in 384 ms returned []
[2024-05-31 22:39:55] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:39:55] [INFO ] Invariant cache hit.
[2024-05-31 22:39:55] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:39:56] [INFO ] Implicit Places using invariants and state equation in 1280 ms returned []
Implicit Place search using SMT with State Equation took 1699 ms to find 0 implicit places.
[2024-05-31 22:39:56] [INFO ] Redundant transitions in 18 ms returned []
Running 1308 sub problems to find dead transitions.
[2024-05-31 22:39:56] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:39:56] [INFO ] Invariant cache hit.
[2024-05-31 22:39:56] [INFO ] State equation strengthened by 92 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(timeout
s150 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 755/1215 variables, 460/462 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
SMT process timed out in 35763ms, After SMT, problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 35776ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37552 ms. Remains : 460/460 places, 1310/1310 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[63, 328, 62, 233, 880, 215, 237, 63, 206, 98] Max Struct:[64, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
[2024-05-31 22:40:32] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:40:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2 resets) in 20 ms. (476 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[64]
[2024-05-31 22:40:32] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:40:32] [INFO ] Invariant cache hit.
[2024-05-31 22:40:32] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:40:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:40:32] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-05-31 22:40:32] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:40:32] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2024-05-31 22:40:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:40:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-31 22:40:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:40:32] [INFO ] [Nat]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:40:32] [INFO ] [Nat]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:40:32] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:40:33] [INFO ] Added : 1 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 489 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[63] Max Struct:[64]
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 450 transition count 1290
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 450 transition count 1290
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 27 place count 450 transition count 1284
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 33 place count 444 transition count 1270
Iterating global reduction 2 with 6 rules applied. Total rules applied 39 place count 444 transition count 1270
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 43 place count 444 transition count 1266
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 48 place count 439 transition count 1256
Iterating global reduction 3 with 5 rules applied. Total rules applied 53 place count 439 transition count 1256
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 58 place count 434 transition count 1244
Iterating global reduction 3 with 5 rules applied. Total rules applied 63 place count 434 transition count 1244
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 68 place count 429 transition count 1232
Iterating global reduction 3 with 5 rules applied. Total rules applied 73 place count 429 transition count 1232
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 78 place count 424 transition count 1222
Iterating global reduction 3 with 5 rules applied. Total rules applied 83 place count 424 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 86 place count 421 transition count 1216
Iterating global reduction 3 with 3 rules applied. Total rules applied 89 place count 421 transition count 1216
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 92 place count 418 transition count 1210
Iterating global reduction 3 with 3 rules applied. Total rules applied 95 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 97 place count 416 transition count 1206
Iterating global reduction 3 with 2 rules applied. Total rules applied 99 place count 416 transition count 1206
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 101 place count 414 transition count 1202
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 104 place count 413 transition count 1200
Iterating global reduction 3 with 1 rules applied. Total rules applied 105 place count 413 transition count 1200
Applied a total of 105 rules in 199 ms. Remains 413 /460 variables (removed 47) and now considering 1200/1310 (removed 110) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 413/460 places, 1200/1310 transitions.
[2024-05-31 22:40:33] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2024-05-31 22:40:33] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[63] Max Struct:[64]
RANDOM walk for 1000000 steps (2 resets) in 2019 ms. (495 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1217 ms. (821 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[64]
[2024-05-31 22:40:37] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:40:37] [INFO ] Invariant cache hit.
[2024-05-31 22:40:37] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:40:37] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2024-05-31 22:40:37] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:40:37] [INFO ] [Real]Added 72 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:40:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:40:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:40:37] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:40:37] [INFO ] [Nat]Added 72 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:40:37] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 66 ms.
[2024-05-31 22:40:37] [INFO ] Added : 2 causal constraints over 1 iterations in 156 ms. Result :sat
Minimization took 255 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[64] Max Struct:[64]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 48 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 44 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-31 22:40:38] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:40:38] [INFO ] Invariant cache hit.
[2024-05-31 22:40:38] [INFO ] Implicit Places using invariants in 289 ms returned []
[2024-05-31 22:40:38] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:40:38] [INFO ] Invariant cache hit.
[2024-05-31 22:40:38] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:40:39] [INFO ] Implicit Places using invariants and state equation in 1261 ms returned []
Implicit Place search using SMT with State Equation took 1552 ms to find 0 implicit places.
[2024-05-31 22:40:40] [INFO ] Redundant transitions in 19 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-31 22:40:40] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:40:40] [INFO ] Invariant cache hit.
[2024-05-31 22:40:40] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-31 22:40:58] [INFO ] Deduced a trap composed of 131 places in 125 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 34600ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 34612ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36239 ms. Remains : 413/413 places, 1200/1200 transitions.
[2024-05-31 22:41:14] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:41:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[64] Max Struct:[64]
FORMULA FunctionPointer-PT-c064-UpperBounds-01 64 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000004 steps (2 resets) in 1979 ms. (505 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-01 in 44387 ms.
Starting property specific reduction for FunctionPointer-PT-c064-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]
[2024-05-31 22:41:16] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:41:16] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-31 22:41:16] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:41:16] [INFO ] Invariant cache hit.
[2024-05-31 22:41:16] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:41:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:41:16] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:41:16] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:41:16] [INFO ] [Real]Added 92 Read/Feed constraints in 38 ms returned sat
[2024-05-31 22:41:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:41:17] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:41:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:41:17] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 76 ms.
[2024-05-31 22:41:17] [INFO ] Added : 12 causal constraints over 4 iterations in 276 ms. Result :sat
Minimization took 486 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 25 place count 451 transition count 1286
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 30 place count 446 transition count 1274
Iterating global reduction 2 with 5 rules applied. Total rules applied 35 place count 446 transition count 1274
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 446 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 43 place count 442 transition count 1262
Iterating global reduction 3 with 4 rules applied. Total rules applied 47 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 51 place count 438 transition count 1252
Iterating global reduction 3 with 4 rules applied. Total rules applied 55 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 59 place count 434 transition count 1242
Iterating global reduction 3 with 4 rules applied. Total rules applied 63 place count 434 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 67 place count 430 transition count 1234
Iterating global reduction 3 with 4 rules applied. Total rules applied 71 place count 430 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 74 place count 427 transition count 1228
Iterating global reduction 3 with 3 rules applied. Total rules applied 77 place count 427 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 80 place count 424 transition count 1222
Iterating global reduction 3 with 3 rules applied. Total rules applied 83 place count 424 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 85 place count 422 transition count 1218
Iterating global reduction 3 with 2 rules applied. Total rules applied 87 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 89 place count 420 transition count 1214
Iterating global reduction 3 with 2 rules applied. Total rules applied 91 place count 420 transition count 1214
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 92 place count 419 transition count 1212
Iterating global reduction 3 with 1 rules applied. Total rules applied 93 place count 419 transition count 1212
Applied a total of 93 rules in 179 ms. Remains 419 /460 variables (removed 41) and now considering 1212/1310 (removed 98) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 419/460 places, 1212/1310 transitions.
[2024-05-31 22:41:18] [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 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 22:41:18] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2024-05-31 22:41:18] [INFO ] Computed 3 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2057 ms. (485 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1185 ms. (843 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[482] Max Struct:[+inf]
[2024-05-31 22:41:21] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:41:21] [INFO ] Invariant cache hit.
[2024-05-31 22:41:21] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:41:22] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:41:22] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:41:22] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:41:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:41:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 22:41:22] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:41:22] [INFO ] [Nat]Added 75 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:41:22] [INFO ] Deduced a trap composed of 71 places in 184 ms of which 2 ms to minimize.
[2024-05-31 22:41:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 236 ms
[2024-05-31 22:41:22] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 73 ms.
[2024-05-31 22:41:22] [INFO ] Added : 17 causal constraints over 5 iterations in 329 ms. Result :sat
Minimization took 280 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[482] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[482] 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 46 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 46 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.
[2024-05-31 22:41:25] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:41:25] [INFO ] Invariant cache hit.
[2024-05-31 22:41:25] [INFO ] Implicit Places using invariants in 286 ms returned []
[2024-05-31 22:41:25] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:41:25] [INFO ] Invariant cache hit.
[2024-05-31 22:41:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:41:26] [INFO ] Implicit Places using invariants and state equation in 1263 ms returned []
Implicit Place search using SMT with State Equation took 1551 ms to find 0 implicit places.
[2024-05-31 22:41:26] [INFO ] Redundant transitions in 19 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:41:26] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:41:26] [INFO ] Invariant cache hit.
[2024-05-31 22:41:26] [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
[2024-05-31 22:41:46] [INFO ] Deduced a trap composed of 131 places in 107 ms of which 2 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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34559ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34572ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36195 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:42:01] [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 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[482] Max Struct:[+inf]
[2024-05-31 22:42:01] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[482] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1957 ms. (510 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1184 ms. (843 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[519] Max Struct:[+inf]
[2024-05-31 22:42:05] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:05] [INFO ] Invariant cache hit.
[2024-05-31 22:42:05] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:42:05] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2024-05-31 22:42:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:42:05] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:42:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:42:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:42:05] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:42:05] [INFO ] [Nat]Added 75 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:42:05] [INFO ] Deduced a trap composed of 71 places in 182 ms of which 2 ms to minimize.
[2024-05-31 22:42:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 236 ms
[2024-05-31 22:42:05] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 63 ms.
[2024-05-31 22:42:06] [INFO ] Added : 17 causal constraints over 5 iterations in 321 ms. Result :sat
Minimization took 296 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[519] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[519] 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 47 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 48 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 48 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:42:08] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:08] [INFO ] Invariant cache hit.
[2024-05-31 22:42:09] [INFO ] Implicit Places using invariants in 278 ms returned []
[2024-05-31 22:42:09] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:09] [INFO ] Invariant cache hit.
[2024-05-31 22:42:09] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:42:10] [INFO ] Implicit Places using invariants and state equation in 1276 ms returned []
Implicit Place search using SMT with State Equation took 1556 ms to find 0 implicit places.
[2024-05-31 22:42:10] [INFO ] Redundant transitions in 19 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:42:10] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:10] [INFO ] Invariant cache hit.
[2024-05-31 22:42:10] [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
[2024-05-31 22:42:29] [INFO ] Deduced a trap composed of 131 places in 99 ms of which 1 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
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s294 1.0)
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(s300 1.0)
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(s311 1.0)
(s312 1.0)
(s313 1.0)
(s314 0.0)
(s315 0.0)
(s316 1.0)
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(s318 1.0)
(s319 1.0)
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(s321 1.0)
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(s323 1.0)
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(s325 1.0)
(s326 0.0)
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(s331 0.0)
(s332 0.0)
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(s334 0.0)
(s335 0.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 1.0)
(s350 1.0)
(s351 1.0)
(s352 1.0)
(s353 0.0)
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(s355 0.0)
(s356 0.0)
(s357 0.0)
(s358 timeout
0.0)
(s359 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34325ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35974 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:42:44] [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 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[519] Max Struct:[+inf]
[2024-05-31 22:42:45] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[519] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1941 ms. (514 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1091 ms. (915 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[535] Max Struct:[+inf]
[2024-05-31 22:42:48] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:48] [INFO ] Invariant cache hit.
[2024-05-31 22:42:48] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:42:48] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:42:48] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:42:48] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:42:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:42:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:42:48] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:42:48] [INFO ] [Nat]Added 75 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:42:48] [INFO ] Deduced a trap composed of 71 places in 181 ms of which 3 ms to minimize.
[2024-05-31 22:42:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 220 ms
[2024-05-31 22:42:49] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 61 ms.
[2024-05-31 22:42:49] [INFO ] Added : 17 causal constraints over 5 iterations in 320 ms. Result :sat
Minimization took 284 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[535] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[535] 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 45 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 46 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.
[2024-05-31 22:42:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:51] [INFO ] Invariant cache hit.
[2024-05-31 22:42:52] [INFO ] Implicit Places using invariants in 306 ms returned []
[2024-05-31 22:42:52] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:52] [INFO ] Invariant cache hit.
[2024-05-31 22:42:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:42:53] [INFO ] Implicit Places using invariants and state equation in 1294 ms returned []
Implicit Place search using SMT with State Equation took 1601 ms to find 0 implicit places.
[2024-05-31 22:42:53] [INFO ] Redundant transitions in 19 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:42:53] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:42:53] [INFO ] Invariant cache hit.
[2024-05-31 22:42:53] [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
[2024-05-31 22:43:11] [INFO ] Deduced a trap composed of 131 places in 105 ms of which 1 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
(s212 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
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(s100 1.0)
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(s106 1.0)
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(s113 1.0)
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(s115 0.0)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34154ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35836 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:43:27] [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 4 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 73 ms. (steps per millisecond=136 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[535] Max Struct:[+inf]
[2024-05-31 22:43:28] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:43:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[535] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2100 ms. (475 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1168 ms. (855 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[535] Max Struct:[+inf]
[2024-05-31 22:43:31] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:43:31] [INFO ] Invariant cache hit.
[2024-05-31 22:43:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:43:31] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2024-05-31 22:43:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:43:31] [INFO ] [Real]Added 75 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:43:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:43:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 22:43:31] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:43:31] [INFO ] [Nat]Added 75 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:43:32] [INFO ] Deduced a trap composed of 71 places in 199 ms of which 3 ms to minimize.
[2024-05-31 22:43:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2024-05-31 22:43:32] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 69 ms.
[2024-05-31 22:43:32] [INFO ] Added : 17 causal constraints over 5 iterations in 322 ms. Result :sat
Minimization took 302 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[535] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[535] 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 42 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 42 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 43 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:43:35] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:43:35] [INFO ] Invariant cache hit.
[2024-05-31 22:43:35] [INFO ] Implicit Places using invariants in 294 ms returned []
[2024-05-31 22:43:35] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:43:35] [INFO ] Invariant cache hit.
[2024-05-31 22:43:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:43:36] [INFO ] Implicit Places using invariants and state equation in 1310 ms returned []
Implicit Place search using SMT with State Equation took 1604 ms to find 0 implicit places.
[2024-05-31 22:43:36] [INFO ] Redundant transitions in 18 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:43:36] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:43:36] [INFO ] Invariant cache hit.
[2024-05-31 22:43:36] [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
[2024-05-31 22:43:55] [INFO ] Deduced a trap composed of 131 places in 101 ms of which 1 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 33857ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 33866ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35539 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:44:10] [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 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 73 ms. (steps per millisecond=136 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[535] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 542077 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 542077 steps, saw 332391 distinct states, run finished after 3001 ms. (steps per millisecond=180 ) properties seen :0
[2024-05-31 22:44:14] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:44:14] [INFO ] Invariant cache hit.
[2024-05-31 22:44:14] [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) 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
All remaining problems are real, not stopping.
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 290 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 310 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 610ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1991 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 42 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 42 ms. Remains : 419/419 places, 1212/1212 transitions.
RANDOM walk for 40005 steps (8 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 555366 steps, run timeout after 3001 ms. (steps per millisecond=185 ) properties seen :0 out of 1
Probabilistic random walk after 555366 steps, saw 340539 distinct states, run finished after 3001 ms. (steps per millisecond=185 ) properties seen :0
[2024-05-31 22:44:19] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:44:19] [INFO ] Invariant cache hit.
[2024-05-31 22:44:19] [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) 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
All remaining problems are real, not stopping.
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 293 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 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 610ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2021 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 46 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 46 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 46 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:44:22] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:44:22] [INFO ] Invariant cache hit.
[2024-05-31 22:44:22] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-05-31 22:44:22] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:44:22] [INFO ] Invariant cache hit.
[2024-05-31 22:44:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:44:24] [INFO ] Implicit Places using invariants and state equation in 1296 ms returned []
Implicit Place search using SMT with State Equation took 1595 ms to find 0 implicit places.
[2024-05-31 22:44:24] [INFO ] Redundant transitions in 21 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:44:24] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:44:24] [INFO ] Invariant cache hit.
[2024-05-31 22:44:24] [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
[2024-05-31 22:44:42] [INFO ] Deduced a trap composed of 131 places in 100 ms of which 1 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 34296ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35977 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 71 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
[2024-05-31 22:44:58] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 22:44:58] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 22:44:58] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:44:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:44:58] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 22:44:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:44:58] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 22:44:58] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 22:44:58] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 145 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[535] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-02 in 222038 ms.
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
[2024-05-31 22:44:58] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:44:58] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2 resets) in 20 ms. (476 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:[64]
[2024-05-31 22:44:58] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:44:58] [INFO ] Invariant cache hit.
[2024-05-31 22:44:58] [INFO ] [Real]Absence check using 1 positive place invariants in 13 ms returned sat
[2024-05-31 22:44:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 22:44:58] [INFO ] [Real]Absence check using state equation in 166 ms returned sat
[2024-05-31 22:44:58] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:44:58] [INFO ] [Real]Added 92 Read/Feed constraints in 21 ms returned sat
[2024-05-31 22:44:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:44:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:44:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:44:59] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2024-05-31 22:44:59] [INFO ] [Nat]Added 92 Read/Feed constraints in 35 ms returned sat
[2024-05-31 22:44:59] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:44:59] [INFO ] Added : 1 causal constraints over 1 iterations in 166 ms. Result :sat
Minimization took 504 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[64]
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 450 transition count 1290
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 450 transition count 1290
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 27 place count 450 transition count 1284
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 33 place count 444 transition count 1270
Iterating global reduction 2 with 6 rules applied. Total rules applied 39 place count 444 transition count 1270
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 43 place count 444 transition count 1266
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 48 place count 439 transition count 1256
Iterating global reduction 3 with 5 rules applied. Total rules applied 53 place count 439 transition count 1256
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 58 place count 434 transition count 1244
Iterating global reduction 3 with 5 rules applied. Total rules applied 63 place count 434 transition count 1244
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 68 place count 429 transition count 1232
Iterating global reduction 3 with 5 rules applied. Total rules applied 73 place count 429 transition count 1232
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 78 place count 424 transition count 1222
Iterating global reduction 3 with 5 rules applied. Total rules applied 83 place count 424 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 86 place count 421 transition count 1216
Iterating global reduction 3 with 3 rules applied. Total rules applied 89 place count 421 transition count 1216
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 92 place count 418 transition count 1210
Iterating global reduction 3 with 3 rules applied. Total rules applied 95 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 97 place count 416 transition count 1206
Iterating global reduction 3 with 2 rules applied. Total rules applied 99 place count 416 transition count 1206
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 101 place count 414 transition count 1202
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 104 place count 413 transition count 1200
Iterating global reduction 3 with 1 rules applied. Total rules applied 105 place count 413 transition count 1200
Applied a total of 105 rules in 171 ms. Remains 413 /460 variables (removed 47) and now considering 1200/1310 (removed 110) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 413/460 places, 1200/1310 transitions.
[2024-05-31 22:45:00] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2024-05-31 22:45:00] [INFO ] Computed 3 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 1000000 steps (2 resets) in 1961 ms. (509 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1127 ms. (886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[64]
[2024-05-31 22:45:03] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:03] [INFO ] Invariant cache hit.
[2024-05-31 22:45:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:45:03] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-31 22:45:03] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:45:03] [INFO ] [Real]Added 72 Read/Feed constraints in 41 ms returned sat
[2024-05-31 22:45:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:45:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:45:03] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:45:03] [INFO ] [Nat]Added 72 Read/Feed constraints in 36 ms returned sat
[2024-05-31 22:45:03] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 63 ms.
[2024-05-31 22:45:03] [INFO ] Added : 3 causal constraints over 1 iterations in 144 ms. Result :sat
Minimization took 270 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[62] Max Struct:[64]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 45 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 44 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-31 22:45:04] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:04] [INFO ] Invariant cache hit.
[2024-05-31 22:45:04] [INFO ] Implicit Places using invariants in 273 ms returned []
[2024-05-31 22:45:04] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:04] [INFO ] Invariant cache hit.
[2024-05-31 22:45:04] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:45:05] [INFO ] Implicit Places using invariants and state equation in 1233 ms returned []
Implicit Place search using SMT with State Equation took 1507 ms to find 0 implicit places.
[2024-05-31 22:45:06] [INFO ] Redundant transitions in 17 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-31 22:45:06] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:06] [INFO ] Invariant cache hit.
[2024-05-31 22:45:06] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-31 22:45:23] [INFO ] Deduced a trap composed of 131 places in 114 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 34234ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 34243ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35823 ms. Remains : 413/413 places, 1200/1200 transitions.
[2024-05-31 22:45:40] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[62] Max Struct:[64]
RANDOM walk for 1000001 steps (2 resets) in 1893 ms. (527 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1066 ms. (937 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[62] Max Struct:[64]
[2024-05-31 22:45:43] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:43] [INFO ] Invariant cache hit.
[2024-05-31 22:45:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:45:43] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2024-05-31 22:45:43] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:45:43] [INFO ] [Real]Added 72 Read/Feed constraints in 41 ms returned sat
[2024-05-31 22:45:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:45:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:45:43] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:45:43] [INFO ] [Nat]Added 72 Read/Feed constraints in 46 ms returned sat
[2024-05-31 22:45:43] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 77 ms.
[2024-05-31 22:45:43] [INFO ] Added : 3 causal constraints over 1 iterations in 156 ms. Result :sat
Minimization took 288 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[62] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[62] Max Struct:[64]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 44 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 59 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-31 22:45:44] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:44] [INFO ] Invariant cache hit.
[2024-05-31 22:45:44] [INFO ] Implicit Places using invariants in 293 ms returned []
[2024-05-31 22:45:44] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:44] [INFO ] Invariant cache hit.
[2024-05-31 22:45:45] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:45:46] [INFO ] Implicit Places using invariants and state equation in 1226 ms returned []
Implicit Place search using SMT with State Equation took 1520 ms to find 0 implicit places.
[2024-05-31 22:45:46] [INFO ] Redundant transitions in 18 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-31 22:45:46] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:45:46] [INFO ] Invariant cache hit.
[2024-05-31 22:45:46] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-31 22:46:04] [INFO ] Deduced a trap composed of 131 places in 123 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 34358ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 34369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35973 ms. Remains : 413/413 places, 1200/1200 transitions.
RANDOM walk for 40000 steps (8 resets) in 123 ms. (322 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 291433 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 2
Probabilistic random walk after 291433 steps, saw 178714 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2024-05-31 22:46:23] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:46:23] [INFO ] Invariant cache hit.
[2024-05-31 22:46:23] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/1049 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 17/1066 variables, 11/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1066 variables, 4/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 8/1074 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1074 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/1082 variables, 4/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 6/1088 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1088/1088 variables, and 488 constraints, problems are : Problem set: 0 solved, 2 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1043 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 2/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 17/1066 variables, 11/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 4/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 8/1074 variables, 4/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1074 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 8/1082 variables, 4/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 6/1088 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 490 constraints, problems are : Problem set: 0 solved, 2 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1101ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1882 ms.
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 43 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 413/413 places, 1200/1200 transitions.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 322452 steps, run timeout after 3011 ms. (steps per millisecond=107 ) properties seen :0 out of 2
Probabilistic random walk after 322452 steps, saw 197734 distinct states, run finished after 3011 ms. (steps per millisecond=107 ) properties seen :0
[2024-05-31 22:46:29] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:46:29] [INFO ] Invariant cache hit.
[2024-05-31 22:46:29] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/1049 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 17/1066 variables, 11/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1066 variables, 4/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 8/1074 variables, 4/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1074 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 8/1082 variables, 4/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 6/1088 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1088 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1088/1088 variables, and 488 constraints, problems are : Problem set: 0 solved, 2 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 383/384 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/384 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 641/1025 variables, 384/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1025 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/1043 variables, 4/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1043 variables, 68/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1043 variables, 2/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1043 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/1049 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1049 variables, 2/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1049 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 17/1066 variables, 11/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 4/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 8/1074 variables, 4/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1074 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 8/1082 variables, 4/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 6/1088 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1088 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 490 constraints, problems are : Problem set: 0 solved, 2 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1072ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 2116 ms.
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 43 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 41 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2024-05-31 22:46:32] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:46:32] [INFO ] Invariant cache hit.
[2024-05-31 22:46:33] [INFO ] Implicit Places using invariants in 296 ms returned []
[2024-05-31 22:46:33] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:46:33] [INFO ] Invariant cache hit.
[2024-05-31 22:46:33] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 22:46:34] [INFO ] Implicit Places using invariants and state equation in 1188 ms returned []
Implicit Place search using SMT with State Equation took 1488 ms to find 0 implicit places.
[2024-05-31 22:46:34] [INFO ] Redundant transitions in 21 ms returned []
Running 1198 sub problems to find dead transitions.
[2024-05-31 22:46:34] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2024-05-31 22:46:34] [INFO ] Invariant cache hit.
[2024-05-31 22:46:34] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2024-05-31 22:46:51] [INFO ] Deduced a trap composed of 131 places in 125 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
SMT process timed out in 33772ms, After SMT, problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 33783ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35347 ms. Remains : 413/413 places, 1200/1200 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 413 transition count 664
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 547 place count 402 transition count 664
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 68 Pre rules applied. Total rules applied 547 place count 402 transition count 596
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 2 with 136 rules applied. Total rules applied 683 place count 334 transition count 596
Performed 126 Post agglomeration using F-continuation condition.Transition count delta: 126
Deduced a syphon composed of 126 places in 0 ms
Reduce places removed 126 places and 0 transitions.
Iterating global reduction 2 with 252 rules applied. Total rules applied 935 place count 208 transition count 470
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 998 place count 145 transition count 344
Iterating global reduction 2 with 63 rules applied. Total rules applied 1061 place count 145 transition count 344
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1062 place count 145 transition count 343
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1062 place count 145 transition count 342
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1064 place count 144 transition count 342
Discarding 62 places :
Symmetric choice reduction at 3 with 62 rule applications. Total rules 1126 place count 82 transition count 218
Iterating global reduction 3 with 62 rules applied. Total rules applied 1188 place count 82 transition count 218
Discarding 62 places :
Symmetric choice reduction at 3 with 62 rule applications. Total rules 1250 place count 20 transition count 94
Iterating global reduction 3 with 62 rules applied. Total rules applied 1312 place count 20 transition count 94
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 3 with 62 rules applied. Total rules applied 1374 place count 20 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1376 place count 19 transition count 33
Applied a total of 1376 rules in 24 ms. Remains 19 /413 variables (removed 394) and now considering 33/1200 (removed 1167) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 33 rows 19 cols
[2024-05-31 22:47:08] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 22:47:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:47:08] [INFO ] After 34ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-31 22:47:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 22:47:08] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-05-31 22:47:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:47:08] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-31 22:47:08] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-31 22:47:08] [INFO ] After 41ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 102 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[62] Max Struct:[64]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-03 in 129724 ms.
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 22:47:08] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:47:08] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-31 22:47:08] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:47:08] [INFO ] Invariant cache hit.
[2024-05-31 22:47:08] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:47:08] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2024-05-31 22:47:08] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:47:08] [INFO ] [Real]Added 92 Read/Feed constraints in 29 ms returned sat
[2024-05-31 22:47:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:47:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:47:08] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2024-05-31 22:47:08] [INFO ] [Nat]Added 92 Read/Feed constraints in 23 ms returned sat
[2024-05-31 22:47:09] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 22:47:09] [INFO ] Added : 13 causal constraints over 4 iterations in 289 ms. Result :sat
Minimization took 437 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 451 transition count 1288
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 28 place count 446 transition count 1276
Iterating global reduction 2 with 5 rules applied. Total rules applied 33 place count 446 transition count 1276
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 41 place count 442 transition count 1264
Iterating global reduction 3 with 4 rules applied. Total rules applied 45 place count 442 transition count 1264
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 49 place count 438 transition count 1256
Iterating global reduction 3 with 4 rules applied. Total rules applied 53 place count 438 transition count 1256
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 57 place count 434 transition count 1246
Iterating global reduction 3 with 4 rules applied. Total rules applied 61 place count 434 transition count 1246
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 65 place count 430 transition count 1238
Iterating global reduction 3 with 4 rules applied. Total rules applied 69 place count 430 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 71 place count 428 transition count 1234
Iterating global reduction 3 with 2 rules applied. Total rules applied 73 place count 428 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 75 place count 426 transition count 1230
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 426 transition count 1230
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 78 place count 425 transition count 1228
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 425 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 80 place count 424 transition count 1226
Iterating global reduction 3 with 1 rules applied. Total rules applied 81 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 82 place count 423 transition count 1224
Iterating global reduction 3 with 1 rules applied. Total rules applied 83 place count 423 transition count 1224
Applied a total of 83 rules in 140 ms. Remains 423 /460 variables (removed 37) and now considering 1224/1310 (removed 86) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 423/460 places, 1224/1310 transitions.
[2024-05-31 22:47:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-31 22:47:10] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2024-05-31 22:47:10] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1889 ms. (529 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1167 ms. (856 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[183] Max Struct:[+inf]
[2024-05-31 22:47:13] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:13] [INFO ] Invariant cache hit.
[2024-05-31 22:47:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:13] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2024-05-31 22:47:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:47:13] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:47:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:47:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:13] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2024-05-31 22:47:13] [INFO ] [Nat]Added 75 Read/Feed constraints in 28 ms returned sat
[2024-05-31 22:47:13] [INFO ] Deduced a trap composed of 113 places in 198 ms of which 3 ms to minimize.
[2024-05-31 22:47:14] [INFO ] Deduced a trap composed of 94 places in 183 ms of which 2 ms to minimize.
[2024-05-31 22:47:14] [INFO ] Deduced a trap composed of 80 places in 194 ms of which 2 ms to minimize.
[2024-05-31 22:47:14] [INFO ] Deduced a trap composed of 78 places in 191 ms of which 3 ms to minimize.
[2024-05-31 22:47:14] [INFO ] Deduced a trap composed of 73 places in 190 ms of which 2 ms to minimize.
[2024-05-31 22:47:15] [INFO ] Deduced a trap composed of 70 places in 191 ms of which 2 ms to minimize.
[2024-05-31 22:47:15] [INFO ] Deduced a trap composed of 78 places in 195 ms of which 2 ms to minimize.
[2024-05-31 22:47:15] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1518 ms
[2024-05-31 22:47:15] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 65 ms.
[2024-05-31 22:47:15] [INFO ] Added : 24 causal constraints over 6 iterations in 337 ms. Result :sat
Minimization took 260 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[183] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[183] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 47 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 47 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.
[2024-05-31 22:47:17] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:17] [INFO ] Invariant cache hit.
[2024-05-31 22:47:17] [INFO ] Implicit Places using invariants in 284 ms returned []
[2024-05-31 22:47:17] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:17] [INFO ] Invariant cache hit.
[2024-05-31 22:47:17] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:47:18] [INFO ] Implicit Places using invariants and state equation in 1311 ms returned []
Implicit Place search using SMT with State Equation took 1595 ms to find 0 implicit places.
[2024-05-31 22:47:18] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-31 22:47:18] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:18] [INFO ] Invariant cache hit.
[2024-05-31 22:47:18] [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
[2024-05-31 22:47:38] [INFO ] Deduced a trap composed of 131 places in 96 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34403ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36085 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-31 22:47:53] [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 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[183] Max Struct:[+inf]
[2024-05-31 22:47:53] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[183] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2042 ms. (489 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1200 ms. (832 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[183] Max Struct:[+inf]
[2024-05-31 22:47:56] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:47:56] [INFO ] Invariant cache hit.
[2024-05-31 22:47:56] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:57] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-31 22:47:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:47:57] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:47:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:47:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:47:57] [INFO ] [Nat]Absence check using state equation in 133 ms returned sat
[2024-05-31 22:47:57] [INFO ] [Nat]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-31 22:47:57] [INFO ] Deduced a trap composed of 113 places in 193 ms of which 3 ms to minimize.
[2024-05-31 22:47:57] [INFO ] Deduced a trap composed of 94 places in 190 ms of which 2 ms to minimize.
[2024-05-31 22:47:57] [INFO ] Deduced a trap composed of 80 places in 194 ms of which 3 ms to minimize.
[2024-05-31 22:47:58] [INFO ] Deduced a trap composed of 78 places in 190 ms of which 3 ms to minimize.
[2024-05-31 22:47:58] [INFO ] Deduced a trap composed of 73 places in 198 ms of which 3 ms to minimize.
[2024-05-31 22:47:58] [INFO ] Deduced a trap composed of 70 places in 192 ms of which 3 ms to minimize.
[2024-05-31 22:47:58] [INFO ] Deduced a trap composed of 78 places in 192 ms of which 3 ms to minimize.
[2024-05-31 22:47:58] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1511 ms
[2024-05-31 22:47:58] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 59 ms.
[2024-05-31 22:47:59] [INFO ] Added : 24 causal constraints over 6 iterations in 321 ms. Result :sat
Minimization took 297 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[183] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[183] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 44 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 46 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-31 22:48:00] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:00] [INFO ] Invariant cache hit.
[2024-05-31 22:48:01] [INFO ] Implicit Places using invariants in 282 ms returned []
[2024-05-31 22:48:01] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:01] [INFO ] Invariant cache hit.
[2024-05-31 22:48:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:48:02] [INFO ] Implicit Places using invariants and state equation in 1306 ms returned []
Implicit Place search using SMT with State Equation took 1590 ms to find 0 implicit places.
[2024-05-31 22:48:02] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-31 22:48:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:02] [INFO ] Invariant cache hit.
[2024-05-31 22:48:02] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-05-31 22:48:20] [INFO ] Deduced a trap composed of 131 places in 91 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 33924ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 33937ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35601 ms. Remains : 423/423 places, 1224/1224 transitions.
[2024-05-31 22:48:36] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[183] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 580499 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 1
Probabilistic random walk after 580499 steps, saw 355953 distinct states, run finished after 3002 ms. (steps per millisecond=193 ) properties seen :0
[2024-05-31 22:48:39] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:39] [INFO ] Invariant cache hit.
[2024-05-31 22:48:39] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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 320 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 341 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 671ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 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 47 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 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 572668 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 1
Probabilistic random walk after 572668 steps, saw 351152 distinct states, run finished after 3001 ms. (steps per millisecond=190 ) properties seen :0
[2024-05-31 22:48:43] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:43] [INFO ] Invariant cache hit.
[2024-05-31 22:48:43] [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 313 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 320 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 641ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 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 49 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 45 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2024-05-31 22:48:44] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:44] [INFO ] Invariant cache hit.
[2024-05-31 22:48:44] [INFO ] Implicit Places using invariants in 268 ms returned []
[2024-05-31 22:48:44] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:44] [INFO ] Invariant cache hit.
[2024-05-31 22:48:44] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:48:45] [INFO ] Implicit Places using invariants and state equation in 1299 ms returned []
Implicit Place search using SMT with State Equation took 1569 ms to find 0 implicit places.
[2024-05-31 22:48:45] [INFO ] Redundant transitions in 22 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-31 22:48:45] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2024-05-31 22:48:45] [INFO ] Invariant cache hit.
[2024-05-31 22:48:45] [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
[2024-05-31 22:49:05] [INFO ] Deduced a trap composed of 131 places in 91 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 33831ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 33842ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35491 ms. Remains : 423/423 places, 1224/1224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 543 rules applied. Total rules applied 543 place count 423 transition count 681
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 553 place count 413 transition count 681
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 553 place count 413 transition count 608
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 699 place count 340 transition count 608
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 0 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 955 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1019 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1083 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1084 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1147 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1210 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1273 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1336 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1399 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1399 place count 22 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 21 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1403 place count 20 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1405 place count 19 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1408 place count 19 transition count 31
Applied a total of 1408 rules in 37 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
[2024-05-31 22:49:19] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 22:49:19] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 22:49:19] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 22:49:19] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:49:19] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:49:19] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:49:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:49:19] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 22:49:19] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 22:49:19] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 22:49:19] [INFO ] After 34ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 107 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[183] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-06 in 131381 ms.
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 22:49:19] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:49:19] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 22:49:19] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:49:19] [INFO ] Invariant cache hit.
[2024-05-31 22:49:19] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 22:49:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:49:20] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-31 22:49:20] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:49:20] [INFO ] [Real]Added 92 Read/Feed constraints in 30 ms returned sat
[2024-05-31 22:49:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:49:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:49:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:49:20] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:49:20] [INFO ] [Nat]Added 92 Read/Feed constraints in 33 ms returned sat
[2024-05-31 22:49:20] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 68 ms.
[2024-05-31 22:49:20] [INFO ] Added : 1 causal constraints over 1 iterations in 154 ms. Result :sat
Minimization took 430 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 25 place count 451 transition count 1286
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 31 place count 445 transition count 1272
Iterating global reduction 2 with 6 rules applied. Total rules applied 37 place count 445 transition count 1272
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 41 place count 445 transition count 1268
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 46 place count 440 transition count 1258
Iterating global reduction 3 with 5 rules applied. Total rules applied 51 place count 440 transition count 1258
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 56 place count 435 transition count 1246
Iterating global reduction 3 with 5 rules applied. Total rules applied 61 place count 435 transition count 1246
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 66 place count 430 transition count 1234
Iterating global reduction 3 with 5 rules applied. Total rules applied 71 place count 430 transition count 1234
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 76 place count 425 transition count 1224
Iterating global reduction 3 with 5 rules applied. Total rules applied 81 place count 425 transition count 1224
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 84 place count 422 transition count 1218
Iterating global reduction 3 with 3 rules applied. Total rules applied 87 place count 422 transition count 1218
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 90 place count 419 transition count 1212
Iterating global reduction 3 with 3 rules applied. Total rules applied 93 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 95 place count 417 transition count 1208
Iterating global reduction 3 with 2 rules applied. Total rules applied 97 place count 417 transition count 1208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 99 place count 415 transition count 1204
Iterating global reduction 3 with 2 rules applied. Total rules applied 101 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 102 place count 414 transition count 1202
Iterating global reduction 3 with 1 rules applied. Total rules applied 103 place count 414 transition count 1202
Applied a total of 103 rules in 170 ms. Remains 414 /460 variables (removed 46) and now considering 1202/1310 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 414/460 places, 1202/1310 transitions.
[2024-05-31 22:49:21] [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 1 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 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 22:49:21] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
// Phase 1: matrix 678 rows 414 cols
[2024-05-31 22:49:21] [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 1954 ms. (511 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1310 ms. (762 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1526] Max Struct:[+inf]
[2024-05-31 22:49:24] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:49:24] [INFO ] Invariant cache hit.
[2024-05-31 22:49:24] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:49:24] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2024-05-31 22:49:24] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:49:25] [INFO ] [Real]Added 74 Read/Feed constraints in 44 ms returned sat
[2024-05-31 22:49:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:49:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:49:25] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2024-05-31 22:49:25] [INFO ] [Nat]Added 74 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:49:25] [INFO ] Deduced a trap composed of 74 places in 195 ms of which 3 ms to minimize.
[2024-05-31 22:49:25] [INFO ] Deduced a trap composed of 72 places in 182 ms of which 3 ms to minimize.
[2024-05-31 22:49:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 450 ms
[2024-05-31 22:49:25] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 59 ms.
[2024-05-31 22:49:25] [INFO ] Added : 6 causal constraints over 3 iterations in 259 ms. Result :sat
Minimization took 272 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1526] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1526] 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 60 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 60 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 46 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-31 22:49:31] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:49:31] [INFO ] Invariant cache hit.
[2024-05-31 22:49:31] [INFO ] Implicit Places using invariants in 303 ms returned []
[2024-05-31 22:49:31] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:49:31] [INFO ] Invariant cache hit.
[2024-05-31 22:49:31] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:49:33] [INFO ] Implicit Places using invariants and state equation in 1340 ms returned []
Implicit Place search using SMT with State Equation took 1643 ms to find 0 implicit places.
[2024-05-31 22:49:33] [INFO ] Redundant transitions in 18 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-31 22:49:33] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:49:33] [INFO ] Invariant cache hit.
[2024-05-31 22:49:33] [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
[2024-05-31 22:49:52] [INFO ] Deduced a trap composed of 131 places in 91 ms of which 1 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 34242ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34252ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35966 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-31 22:50:07] [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 1 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 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1526] Max Struct:[+inf]
[2024-05-31 22:50:07] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1526] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2116 ms. (472 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1182 ms. (845 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1563] Max Struct:[+inf]
[2024-05-31 22:50:10] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:10] [INFO ] Invariant cache hit.
[2024-05-31 22:50:11] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 22:50:11] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:50:11] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:50:11] [INFO ] [Real]Added 74 Read/Feed constraints in 46 ms returned sat
[2024-05-31 22:50:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:50:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 22:50:11] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 22:50:11] [INFO ] [Nat]Added 74 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:50:11] [INFO ] Deduced a trap composed of 74 places in 178 ms of which 3 ms to minimize.
[2024-05-31 22:50:11] [INFO ] Deduced a trap composed of 72 places in 207 ms of which 3 ms to minimize.
[2024-05-31 22:50:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 466 ms
[2024-05-31 22:50:12] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 65 ms.
[2024-05-31 22:50:12] [INFO ] Added : 6 causal constraints over 3 iterations in 257 ms. Result :sat
Minimization took 267 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1563] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1563] 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 41 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 48 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-31 22:50:17] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:17] [INFO ] Invariant cache hit.
[2024-05-31 22:50:18] [INFO ] Implicit Places using invariants in 296 ms returned []
[2024-05-31 22:50:18] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:18] [INFO ] Invariant cache hit.
[2024-05-31 22:50:18] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:50:19] [INFO ] Implicit Places using invariants and state equation in 1339 ms returned []
Implicit Place search using SMT with State Equation took 1637 ms to find 0 implicit places.
[2024-05-31 22:50:19] [INFO ] Redundant transitions in 18 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-31 22:50:19] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:19] [INFO ] Invariant cache hit.
[2024-05-31 22:50:19] [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
[2024-05-31 22:50:39] [INFO ] Deduced a trap composed of 131 places in 88 ms of which 1 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 34453ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34465ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36176 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-31 22:50:54] [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 1 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 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1563] Max Struct:[+inf]
[2024-05-31 22:50:54] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1563] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1945 ms. (513 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1161 ms. (860 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1620] Max Struct:[+inf]
[2024-05-31 22:50:57] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:50:57] [INFO ] Invariant cache hit.
[2024-05-31 22:50:57] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:50:57] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:50:57] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:50:57] [INFO ] [Real]Added 74 Read/Feed constraints in 43 ms returned sat
[2024-05-31 22:50:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:50:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 22:50:57] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2024-05-31 22:50:57] [INFO ] [Nat]Added 74 Read/Feed constraints in 27 ms returned sat
[2024-05-31 22:50:58] [INFO ] Deduced a trap composed of 74 places in 192 ms of which 2 ms to minimize.
[2024-05-31 22:50:58] [INFO ] Deduced a trap composed of 72 places in 184 ms of which 3 ms to minimize.
[2024-05-31 22:50:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 452 ms
[2024-05-31 22:50:58] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 60 ms.
[2024-05-31 22:50:58] [INFO ] Added : 6 causal constraints over 3 iterations in 260 ms. Result :sat
Minimization took 290 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1620] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1620] 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 53 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 53 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 49 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-31 22:51:04] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:04] [INFO ] Invariant cache hit.
[2024-05-31 22:51:04] [INFO ] Implicit Places using invariants in 291 ms returned []
[2024-05-31 22:51:04] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:04] [INFO ] Invariant cache hit.
[2024-05-31 22:51:04] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:51:06] [INFO ] Implicit Places using invariants and state equation in 1340 ms returned []
Implicit Place search using SMT with State Equation took 1632 ms to find 0 implicit places.
[2024-05-31 22:51:06] [INFO ] Redundant transitions in 19 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-31 22:51:06] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:06] [INFO ] Invariant cache hit.
[2024-05-31 22:51:06] [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
[2024-05-31 22:51:24] [INFO ] Deduced a trap composed of 131 places in 92 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 34567ms, 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 36291 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-31 22:51:40] [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 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[1620] Max Struct:[+inf]
[2024-05-31 22:51:40] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1620] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2015 ms. (496 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1108 ms. (901 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1620] Max Struct:[+inf]
[2024-05-31 22:51:44] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:44] [INFO ] Invariant cache hit.
[2024-05-31 22:51:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:51:44] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:51:44] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:51:44] [INFO ] [Real]Added 74 Read/Feed constraints in 42 ms returned sat
[2024-05-31 22:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:51:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:51:44] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2024-05-31 22:51:44] [INFO ] [Nat]Added 74 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:51:44] [INFO ] Deduced a trap composed of 74 places in 196 ms of which 3 ms to minimize.
[2024-05-31 22:51:45] [INFO ] Deduced a trap composed of 72 places in 199 ms of which 3 ms to minimize.
[2024-05-31 22:51:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 475 ms
[2024-05-31 22:51:45] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 64 ms.
[2024-05-31 22:51:45] [INFO ] Added : 6 causal constraints over 3 iterations in 255 ms. Result :sat
Minimization took 246 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1620] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1620] 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 41 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 42 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2024-05-31 22:51:51] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:51] [INFO ] Invariant cache hit.
[2024-05-31 22:51:51] [INFO ] Implicit Places using invariants in 276 ms returned []
[2024-05-31 22:51:51] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:51] [INFO ] Invariant cache hit.
[2024-05-31 22:51:51] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:51:52] [INFO ] Implicit Places using invariants and state equation in 1335 ms returned []
Implicit Place search using SMT with State Equation took 1613 ms to find 0 implicit places.
[2024-05-31 22:51:52] [INFO ] Redundant transitions in 19 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-31 22:51:52] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:51:52] [INFO ] Invariant cache hit.
[2024-05-31 22:51:52] [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
[2024-05-31 22:52:11] [INFO ] Deduced a trap composed of 131 places in 92 ms of which 1 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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 678/1092 variables, 414/418 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 33881ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 33893ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35573 ms. Remains : 414/414 places, 1202/1202 transitions.
[2024-05-31 22:52:26] [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 1 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 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1620] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 116 ms. (341 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
Interrupted probabilistic random walk after 578507 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 578507 steps, saw 354731 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-31 22:52:29] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:52:29] [INFO ] Invariant cache hit.
[2024-05-31 22:52:29] [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 311 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 322 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 641ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2088 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.
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 44 ms. Remains : 414/414 places, 1202/1202 transitions.
RANDOM walk for 40011 steps (8 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 578013 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 578013 steps, saw 354428 distinct states, run finished after 3002 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-31 22:52:35] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:52:35] [INFO ] Invariant cache hit.
[2024-05-31 22:52:35] [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 280 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 337 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 628ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2090 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.
Applied a total of 0 rules in 44 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 44 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.
[2024-05-31 22:52:38] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:52:38] [INFO ] Invariant cache hit.
[2024-05-31 22:52:38] [INFO ] Implicit Places using invariants in 280 ms returned []
[2024-05-31 22:52:38] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:52:38] [INFO ] Invariant cache hit.
[2024-05-31 22:52:39] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 22:52:40] [INFO ] Implicit Places using invariants and state equation in 1349 ms returned []
Implicit Place search using SMT with State Equation took 1629 ms to find 0 implicit places.
[2024-05-31 22:52:40] [INFO ] Redundant transitions in 17 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-31 22:52:40] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2024-05-31 22:52:40] [INFO ] Invariant cache hit.
[2024-05-31 22:52:40] [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
[2024-05-31 22:52:58] [INFO ] Deduced a trap composed of 131 places in 85 ms of which 1 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 34034ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 34045ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35750 ms. Remains : 414/414 places, 1202/1202 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 524 transitions
Reduce isomorphic transitions removed 524 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 534 rules applied. Total rules applied 534 place count 414 transition count 668
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 544 place count 404 transition count 668
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 68 Pre rules applied. Total rules applied 544 place count 404 transition count 600
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 2 with 136 rules applied. Total rules applied 680 place count 336 transition count 600
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 936 place count 208 transition count 472
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1000 place count 144 transition count 344
Iterating global reduction 2 with 64 rules applied. Total rules applied 1064 place count 144 transition count 344
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1065 place count 144 transition count 343
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1065 place count 144 transition count 342
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1067 place count 143 transition count 342
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1130 place count 80 transition count 216
Iterating global reduction 3 with 63 rules applied. Total rules applied 1193 place count 80 transition count 216
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1256 place count 17 transition count 90
Iterating global reduction 3 with 63 rules applied. Total rules applied 1319 place count 17 transition count 90
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1382 place count 17 transition count 27
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1382 place count 17 transition count 26
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 1384 place count 16 transition count 26
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 16 transition count 24
Applied a total of 1386 rules in 20 ms. Remains 16 /414 variables (removed 398) and now considering 24/1202 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 24 rows 16 cols
[2024-05-31 22:53:14] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 22:53:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:53:14] [INFO ] After 6ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 22:53:14] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:53:14] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:53:14] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:53:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 22:53:14] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 22:53:14] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 22:53:14] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 22:53:14] [INFO ] After 33ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 89 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1620] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-07 in 234585 ms.
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 22:53:14] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:53:14] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 22:53:14] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:53:14] [INFO ] Invariant cache hit.
[2024-05-31 22:53:14] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:53:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:53:14] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:53:14] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:53:14] [INFO ] [Real]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:53:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:53:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:53:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:53:14] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2024-05-31 22:53:14] [INFO ] [Nat]Added 92 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:53:15] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:53:15] [INFO ] Added : 5 causal constraints over 2 iterations in 214 ms. Result :sat
Minimization took 449 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 25 place count 451 transition count 1286
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 30 place count 446 transition count 1274
Iterating global reduction 2 with 5 rules applied. Total rules applied 35 place count 446 transition count 1274
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 446 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 43 place count 442 transition count 1262
Iterating global reduction 3 with 4 rules applied. Total rules applied 47 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 51 place count 438 transition count 1252
Iterating global reduction 3 with 4 rules applied. Total rules applied 55 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 59 place count 434 transition count 1242
Iterating global reduction 3 with 4 rules applied. Total rules applied 63 place count 434 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 67 place count 430 transition count 1234
Iterating global reduction 3 with 4 rules applied. Total rules applied 71 place count 430 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 74 place count 427 transition count 1228
Iterating global reduction 3 with 3 rules applied. Total rules applied 77 place count 427 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 80 place count 424 transition count 1222
Iterating global reduction 3 with 3 rules applied. Total rules applied 83 place count 424 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 85 place count 422 transition count 1218
Iterating global reduction 3 with 2 rules applied. Total rules applied 87 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 89 place count 420 transition count 1214
Iterating global reduction 3 with 2 rules applied. Total rules applied 91 place count 420 transition count 1214
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 92 place count 419 transition count 1212
Iterating global reduction 3 with 1 rules applied. Total rules applied 93 place count 419 transition count 1212
Applied a total of 93 rules in 140 ms. Remains 419 /460 variables (removed 41) and now considering 1212/1310 (removed 98) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 419/460 places, 1212/1310 transitions.
[2024-05-31 22:53:15] [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 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 22:53:16] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2024-05-31 22:53:16] [INFO ] Computed 3 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1988 ms. (502 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1179 ms. (847 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[507] Max Struct:[+inf]
[2024-05-31 22:53:19] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:53:19] [INFO ] Invariant cache hit.
[2024-05-31 22:53:19] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:53:19] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2024-05-31 22:53:19] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:53:19] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2024-05-31 22:53:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:53:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:53:19] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2024-05-31 22:53:19] [INFO ] [Nat]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-31 22:53:20] [INFO ] Deduced a trap composed of 71 places in 190 ms of which 2 ms to minimize.
[2024-05-31 22:53:20] [INFO ] Deduced a trap composed of 70 places in 186 ms of which 3 ms to minimize.
[2024-05-31 22:53:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 435 ms
[2024-05-31 22:53:20] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 61 ms.
[2024-05-31 22:53:20] [INFO ] Added : 14 causal constraints over 4 iterations in 259 ms. Result :sat
Minimization took 289 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[507] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[507] 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 46 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 46 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 47 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:53:23] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:53:23] [INFO ] Invariant cache hit.
[2024-05-31 22:53:23] [INFO ] Implicit Places using invariants in 392 ms returned []
[2024-05-31 22:53:23] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:53:23] [INFO ] Invariant cache hit.
[2024-05-31 22:53:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:53:24] [INFO ] Implicit Places using invariants and state equation in 1240 ms returned []
Implicit Place search using SMT with State Equation took 1642 ms to find 0 implicit places.
[2024-05-31 22:53:25] [INFO ] Redundant transitions in 20 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:53:25] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:53:25] [INFO ] Invariant cache hit.
[2024-05-31 22:53:25] [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
[2024-05-31 22:53:43] [INFO ] Deduced a trap composed of 131 places in 94 ms of which 1 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 34384ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34394ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36116 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:53:59] [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 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[507] Max Struct:[+inf]
[2024-05-31 22:53:59] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:53:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[507] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1945 ms. (513 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1082 ms. (923 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[514] Max Struct:[+inf]
[2024-05-31 22:54:02] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:02] [INFO ] Invariant cache hit.
[2024-05-31 22:54:02] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:54:03] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2024-05-31 22:54:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:54:03] [INFO ] [Real]Added 75 Read/Feed constraints in 36 ms returned sat
[2024-05-31 22:54:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:54:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:54:03] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:54:03] [INFO ] [Nat]Added 75 Read/Feed constraints in 23 ms returned sat
[2024-05-31 22:54:03] [INFO ] Deduced a trap composed of 71 places in 180 ms of which 3 ms to minimize.
[2024-05-31 22:54:03] [INFO ] Deduced a trap composed of 70 places in 183 ms of which 3 ms to minimize.
[2024-05-31 22:54:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 430 ms
[2024-05-31 22:54:03] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 66 ms.
[2024-05-31 22:54:04] [INFO ] Added : 14 causal constraints over 4 iterations in 276 ms. Result :sat
Minimization took 267 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[514] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[514] 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 41 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 42 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.
[2024-05-31 22:54:06] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:06] [INFO ] Invariant cache hit.
[2024-05-31 22:54:07] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-05-31 22:54:07] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:07] [INFO ] Invariant cache hit.
[2024-05-31 22:54:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:54:08] [INFO ] Implicit Places using invariants and state equation in 1266 ms returned []
Implicit Place search using SMT with State Equation took 1563 ms to find 0 implicit places.
[2024-05-31 22:54:08] [INFO ] Redundant transitions in 22 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:54:08] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:08] [INFO ] Invariant cache hit.
[2024-05-31 22:54:08] [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
[2024-05-31 22:54:26] [INFO ] Deduced a trap composed of 131 places in 119 ms of which 17 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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
SMT process timed out in 34179ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35842 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:54:42] [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 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[514] Max Struct:[+inf]
[2024-05-31 22:54:43] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[514] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1870 ms. (534 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1081 ms. (924 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[521] Max Struct:[+inf]
[2024-05-31 22:54:46] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:46] [INFO ] Invariant cache hit.
[2024-05-31 22:54:46] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:54:46] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2024-05-31 22:54:46] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:54:46] [INFO ] [Real]Added 75 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:54:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:54:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:54:46] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2024-05-31 22:54:46] [INFO ] [Nat]Added 75 Read/Feed constraints in 24 ms returned sat
[2024-05-31 22:54:46] [INFO ] Deduced a trap composed of 71 places in 181 ms of which 3 ms to minimize.
[2024-05-31 22:54:46] [INFO ] Deduced a trap composed of 70 places in 197 ms of which 3 ms to minimize.
[2024-05-31 22:54:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 452 ms
[2024-05-31 22:54:47] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 60 ms.
[2024-05-31 22:54:47] [INFO ] Added : 14 causal constraints over 4 iterations in 276 ms. Result :sat
Minimization took 288 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[521] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[521] 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 41 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 42 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 41 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:54:49] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:49] [INFO ] Invariant cache hit.
[2024-05-31 22:54:50] [INFO ] Implicit Places using invariants in 288 ms returned []
[2024-05-31 22:54:50] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:50] [INFO ] Invariant cache hit.
[2024-05-31 22:54:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:54:51] [INFO ] Implicit Places using invariants and state equation in 1213 ms returned []
Implicit Place search using SMT with State Equation took 1539 ms to find 0 implicit places.
[2024-05-31 22:54:51] [INFO ] Redundant transitions in 16 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:54:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:54:51] [INFO ] Invariant cache hit.
[2024-05-31 22:54:51] [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
[2024-05-31 22:55:09] [INFO ] Deduced a trap composed of 131 places in 115 ms of which 1 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 34204ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34213ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35823 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:55:25] [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 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[521] Max Struct:[+inf]
[2024-05-31 22:55:26] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:55:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[521] Max Struct:[+inf]
RANDOM walk for 1000010 steps (2 resets) in 1912 ms. (522 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1244 ms. (803 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[521] Max Struct:[+inf]
[2024-05-31 22:55:29] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:55:29] [INFO ] Invariant cache hit.
[2024-05-31 22:55:29] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:55:29] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2024-05-31 22:55:29] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:55:29] [INFO ] [Real]Added 75 Read/Feed constraints in 37 ms returned sat
[2024-05-31 22:55:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:55:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:55:29] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:55:29] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:55:29] [INFO ] Deduced a trap composed of 71 places in 200 ms of which 3 ms to minimize.
[2024-05-31 22:55:30] [INFO ] Deduced a trap composed of 70 places in 182 ms of which 2 ms to minimize.
[2024-05-31 22:55:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 452 ms
[2024-05-31 22:55:30] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 82 ms.
[2024-05-31 22:55:30] [INFO ] Added : 14 causal constraints over 4 iterations in 292 ms. Result :sat
Minimization took 287 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[521] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[521] 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 51 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 51 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 48 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2024-05-31 22:55:33] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:55:33] [INFO ] Invariant cache hit.
[2024-05-31 22:55:33] [INFO ] Implicit Places using invariants in 289 ms returned []
[2024-05-31 22:55:33] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:55:33] [INFO ] Invariant cache hit.
[2024-05-31 22:55:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:55:35] [INFO ] Implicit Places using invariants and state equation in 1264 ms returned []
Implicit Place search using SMT with State Equation took 1554 ms to find 0 implicit places.
[2024-05-31 22:55:35] [INFO ] Redundant transitions in 19 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:55:35] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:55:35] [INFO ] Invariant cache hit.
[2024-05-31 22:55:35] [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
[2024-05-31 22:55:53] [INFO ] Deduced a trap composed of 131 places in 98 ms of which 2 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 34277ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35922 ms. Remains : 419/419 places, 1212/1212 transitions.
[2024-05-31 22:56:09] [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 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[521] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 532823 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 532823 steps, saw 326719 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2024-05-31 22:56:12] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:56:12] [INFO ] Invariant cache hit.
[2024-05-31 22:56:12] [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) 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
All remaining problems are real, not stopping.
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 281 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 284 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 577ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1320 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 45 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 45 ms. Remains : 419/419 places, 1212/1212 transitions.
RANDOM walk for 40003 steps (8 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 557751 steps, run timeout after 3001 ms. (steps per millisecond=185 ) properties seen :0 out of 1
Probabilistic random walk after 557751 steps, saw 342002 distinct states, run finished after 3001 ms. (steps per millisecond=185 ) properties seen :0
[2024-05-31 22:56:17] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:56:17] [INFO ] Invariant cache hit.
[2024-05-31 22:56:17] [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) 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
All remaining problems are real, not stopping.
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 289 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 304 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 603ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1336 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 43 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 43 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.
[2024-05-31 22:56:19] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:56:19] [INFO ] Invariant cache hit.
[2024-05-31 22:56:20] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-05-31 22:56:20] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:56:20] [INFO ] Invariant cache hit.
[2024-05-31 22:56:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:56:21] [INFO ] Implicit Places using invariants and state equation in 1259 ms returned []
Implicit Place search using SMT with State Equation took 1571 ms to find 0 implicit places.
[2024-05-31 22:56:21] [INFO ] Redundant transitions in 19 ms returned []
Running 1210 sub problems to find dead transitions.
[2024-05-31 22:56:21] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2024-05-31 22:56:21] [INFO ] Invariant cache hit.
[2024-05-31 22:56:21] [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
[2024-05-31 22:56:40] [INFO ] Deduced a trap composed of 131 places in 97 ms of which 2 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 34540ms, After SMT, problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 34550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36196 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 25 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
[2024-05-31 22:56:55] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 22:56:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:56:55] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:56:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:56:56] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 22:56:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:56:56] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 22:56:56] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 22:56:56] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 97 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[521] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-10 in 221651 ms.
Starting property specific reduction for FunctionPointer-PT-c064-UpperBounds-11
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]
[2024-05-31 22:56:56] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:56:56] [INFO ] Computed 2 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 23 ms. (416 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]
[2024-05-31 22:56:56] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:56:56] [INFO ] Invariant cache hit.
[2024-05-31 22:56:56] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:56:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:56:56] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2024-05-31 22:56:56] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:56:56] [INFO ] [Real]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:56:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:56:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:56:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 22:56:56] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2024-05-31 22:56:56] [INFO ] [Nat]Added 92 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:56:56] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 65 ms.
[2024-05-31 22:56:56] [INFO ] Added : 16 causal constraints over 5 iterations in 318 ms. Result :sat
Minimization took 430 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 25 place count 451 transition count 1286
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 30 place count 446 transition count 1276
Iterating global reduction 2 with 5 rules applied. Total rules applied 35 place count 446 transition count 1276
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 43 place count 442 transition count 1264
Iterating global reduction 3 with 4 rules applied. Total rules applied 47 place count 442 transition count 1264
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 51 place count 438 transition count 1254
Iterating global reduction 3 with 4 rules applied. Total rules applied 55 place count 438 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 59 place count 434 transition count 1244
Iterating global reduction 3 with 4 rules applied. Total rules applied 63 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 67 place count 430 transition count 1236
Iterating global reduction 3 with 4 rules applied. Total rules applied 71 place count 430 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 73 place count 428 transition count 1232
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 77 place count 426 transition count 1228
Iterating global reduction 3 with 2 rules applied. Total rules applied 79 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 81 place count 424 transition count 1224
Iterating global reduction 3 with 2 rules applied. Total rules applied 83 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 85 place count 422 transition count 1220
Iterating global reduction 3 with 2 rules applied. Total rules applied 87 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 88 place count 421 transition count 1218
Iterating global reduction 3 with 1 rules applied. Total rules applied 89 place count 421 transition count 1218
Applied a total of 89 rules in 141 ms. Remains 421 /460 variables (removed 39) and now considering 1218/1310 (removed 92) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 421/460 places, 1218/1310 transitions.
[2024-05-31 22:56:57] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=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, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 22:56:57] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2024-05-31 22:56:57] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2093 ms. (477 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1170 ms. (853 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[502] Max Struct:[+inf]
[2024-05-31 22:57:01] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:01] [INFO ] Invariant cache hit.
[2024-05-31 22:57:01] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:57:01] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-31 22:57:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:57:01] [INFO ] [Real]Added 75 Read/Feed constraints in 39 ms returned sat
[2024-05-31 22:57:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:57:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:57:01] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 22:57:01] [INFO ] [Nat]Added 75 Read/Feed constraints in 26 ms returned sat
[2024-05-31 22:57:01] [INFO ] Deduced a trap composed of 113 places in 198 ms of which 3 ms to minimize.
[2024-05-31 22:57:02] [INFO ] Deduced a trap composed of 109 places in 196 ms of which 3 ms to minimize.
[2024-05-31 22:57:02] [INFO ] Deduced a trap composed of 87 places in 186 ms of which 3 ms to minimize.
[2024-05-31 22:57:02] [INFO ] Deduced a trap composed of 78 places in 186 ms of which 2 ms to minimize.
[2024-05-31 22:57:02] [INFO ] Deduced a trap composed of 76 places in 187 ms of which 3 ms to minimize.
[2024-05-31 22:57:02] [INFO ] Deduced a trap composed of 73 places in 190 ms of which 3 ms to minimize.
[2024-05-31 22:57:03] [INFO ] Deduced a trap composed of 71 places in 192 ms of which 3 ms to minimize.
[2024-05-31 22:57:03] [INFO ] Deduced a trap composed of 70 places in 188 ms of which 3 ms to minimize.
[2024-05-31 22:57:03] [INFO ] Deduced a trap composed of 71 places in 188 ms of which 3 ms to minimize.
[2024-05-31 22:57:03] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1955 ms
[2024-05-31 22:57:03] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 65 ms.
[2024-05-31 22:57:03] [INFO ] Added : 10 causal constraints over 3 iterations in 235 ms. Result :sat
Minimization took 267 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[502] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[502] 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 47 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 47 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 44 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2024-05-31 22:57:04] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:04] [INFO ] Invariant cache hit.
[2024-05-31 22:57:04] [INFO ] Implicit Places using invariants in 316 ms returned []
[2024-05-31 22:57:04] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:04] [INFO ] Invariant cache hit.
[2024-05-31 22:57:04] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:57:05] [INFO ] Implicit Places using invariants and state equation in 1241 ms returned []
Implicit Place search using SMT with State Equation took 1558 ms to find 0 implicit places.
[2024-05-31 22:57:05] [INFO ] Redundant transitions in 22 ms returned []
Running 1216 sub problems to find dead transitions.
[2024-05-31 22:57:05] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:05] [INFO ] Invariant cache hit.
[2024-05-31 22:57:05] [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
[2024-05-31 22:57:26] [INFO ] Deduced a trap composed of 131 places in 111 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 34310ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 34322ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35958 ms. Remains : 421/421 places, 1218/1218 transitions.
[2024-05-31 22:57:40] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[502] Max Struct:[+inf]
[2024-05-31 22:57:40] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[502] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2070 ms. (482 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1164 ms. (858 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[502] Max Struct:[+inf]
[2024-05-31 22:57:43] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:43] [INFO ] Invariant cache hit.
[2024-05-31 22:57:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:57:43] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-31 22:57:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:57:43] [INFO ] [Real]Added 75 Read/Feed constraints in 38 ms returned sat
[2024-05-31 22:57:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:57:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 22:57:44] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-31 22:57:44] [INFO ] [Nat]Added 75 Read/Feed constraints in 25 ms returned sat
[2024-05-31 22:57:44] [INFO ] Deduced a trap composed of 113 places in 197 ms of which 3 ms to minimize.
[2024-05-31 22:57:44] [INFO ] Deduced a trap composed of 109 places in 190 ms of which 3 ms to minimize.
[2024-05-31 22:57:44] [INFO ] Deduced a trap composed of 87 places in 190 ms of which 3 ms to minimize.
[2024-05-31 22:57:45] [INFO ] Deduced a trap composed of 78 places in 194 ms of which 3 ms to minimize.
[2024-05-31 22:57:45] [INFO ] Deduced a trap composed of 76 places in 191 ms of which 3 ms to minimize.
[2024-05-31 22:57:45] [INFO ] Deduced a trap composed of 73 places in 183 ms of which 3 ms to minimize.
[2024-05-31 22:57:45] [INFO ] Deduced a trap composed of 71 places in 187 ms of which 2 ms to minimize.
[2024-05-31 22:57:45] [INFO ] Deduced a trap composed of 70 places in 182 ms of which 3 ms to minimize.
[2024-05-31 22:57:46] [INFO ] Deduced a trap composed of 71 places in 193 ms of which 3 ms to minimize.
[2024-05-31 22:57:46] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1929 ms
[2024-05-31 22:57:46] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 75 ms.
[2024-05-31 22:57:46] [INFO ] Added : 10 causal constraints over 3 iterations in 239 ms. Result :sat
Minimization took 268 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[502] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[502] 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 44 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 44 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 44 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2024-05-31 22:57:46] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:46] [INFO ] Invariant cache hit.
[2024-05-31 22:57:47] [INFO ] Implicit Places using invariants in 291 ms returned []
[2024-05-31 22:57:47] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:47] [INFO ] Invariant cache hit.
[2024-05-31 22:57:47] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:57:48] [INFO ] Implicit Places using invariants and state equation in 1220 ms returned []
Implicit Place search using SMT with State Equation took 1513 ms to find 0 implicit places.
[2024-05-31 22:57:48] [INFO ] Redundant transitions in 19 ms returned []
Running 1216 sub problems to find dead transitions.
[2024-05-31 22:57:48] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:57:48] [INFO ] Invariant cache hit.
[2024-05-31 22:57:48] [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
[2024-05-31 22:58:08] [INFO ] Deduced a trap composed of 131 places in 113 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 34384ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 34395ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35985 ms. Remains : 421/421 places, 1218/1218 transitions.
[2024-05-31 22:58:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=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, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[502] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 566814 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 1
Probabilistic random walk after 566814 steps, saw 347561 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2024-05-31 22:58:26] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:58:26] [INFO ] Invariant cache hit.
[2024-05-31 22:58:26] [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) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 583ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2313 ms.
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 46 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 47 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 572606 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 1
Probabilistic random walk after 572606 steps, saw 351113 distinct states, run finished after 3001 ms. (steps per millisecond=190 ) properties seen :0
[2024-05-31 22:58:32] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:58:32] [INFO ] Invariant cache hit.
[2024-05-31 22:58:32] [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) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 274 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 288 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 576ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2318 ms.
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.
[2024-05-31 22:58:34] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:58:34] [INFO ] Invariant cache hit.
[2024-05-31 22:58:35] [INFO ] Implicit Places using invariants in 297 ms returned []
[2024-05-31 22:58:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:58:35] [INFO ] Invariant cache hit.
[2024-05-31 22:58:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:58:36] [INFO ] Implicit Places using invariants and state equation in 1251 ms returned []
Implicit Place search using SMT with State Equation took 1549 ms to find 0 implicit places.
[2024-05-31 22:58:36] [INFO ] Redundant transitions in 20 ms returned []
Running 1216 sub problems to find dead transitions.
[2024-05-31 22:58:36] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2024-05-31 22:58:36] [INFO ] Invariant cache hit.
[2024-05-31 22:58:36] [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
[2024-05-31 22:58:56] [INFO ] Deduced a trap composed of 131 places in 103 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 33898ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 33907ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35535 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 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 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 696 place count 338 transition count 605
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
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 1396 place count 20 transition count 33
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 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 25 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2024-05-31 22:59:10] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 22:59:10] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 22:59:10] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 22:59:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 22:59:10] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:59:10] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 22:59:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 22:59:10] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 22:59:10] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 22:59:10] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 22:59:10] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 97 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[502] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-11 in 134568 ms.
Starting property specific reduction for FunctionPointer-PT-c064-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]
[2024-05-31 22:59:10] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 22:59:10] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 22:59:10] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 22:59:10] [INFO ] Invariant cache hit.
[2024-05-31 22:59:10] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:59:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:59:10] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2024-05-31 22:59:10] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 22:59:10] [INFO ] [Real]Added 92 Read/Feed constraints in 31 ms returned sat
[2024-05-31 22:59:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:59:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:59:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:59:11] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:59:11] [INFO ] [Nat]Added 92 Read/Feed constraints in 44 ms returned sat
[2024-05-31 22:59:11] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 70 ms.
[2024-05-31 22:59:11] [INFO ] Added : 2 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 477 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:[63] Max Struct:[+inf]
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 453 transition count 1296
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 453 transition count 1296
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 20 place count 453 transition count 1290
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 26 place count 447 transition count 1276
Iterating global reduction 1 with 6 rules applied. Total rules applied 32 place count 447 transition count 1276
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 36 place count 447 transition count 1272
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 41 place count 442 transition count 1262
Iterating global reduction 2 with 5 rules applied. Total rules applied 46 place count 442 transition count 1262
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 51 place count 437 transition count 1250
Iterating global reduction 2 with 5 rules applied. Total rules applied 56 place count 437 transition count 1250
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 61 place count 432 transition count 1238
Iterating global reduction 2 with 5 rules applied. Total rules applied 66 place count 432 transition count 1238
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 71 place count 427 transition count 1228
Iterating global reduction 2 with 5 rules applied. Total rules applied 76 place count 427 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 79 place count 424 transition count 1222
Iterating global reduction 2 with 3 rules applied. Total rules applied 82 place count 424 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 85 place count 421 transition count 1216
Iterating global reduction 2 with 3 rules applied. Total rules applied 88 place count 421 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 90 place count 419 transition count 1212
Iterating global reduction 2 with 2 rules applied. Total rules applied 92 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 94 place count 417 transition count 1208
Iterating global reduction 2 with 2 rules applied. Total rules applied 96 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 97 place count 416 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 98 place count 416 transition count 1206
Applied a total of 98 rules in 133 ms. Remains 416 /460 variables (removed 44) and now considering 1206/1310 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 134 ms. Remains : 416/460 places, 1206/1310 transitions.
[2024-05-31 22:59:12] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[63] Max Struct:[+inf]
[2024-05-31 22:59:12] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2024-05-31 22:59:12] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[63] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1899 ms. (526 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1103 ms. (905 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[+inf]
[2024-05-31 22:59:15] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 22:59:15] [INFO ] Invariant cache hit.
[2024-05-31 22:59:15] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:59:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:59:15] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-31 22:59:15] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:59:15] [INFO ] [Real]Added 75 Read/Feed constraints in 45 ms returned sat
[2024-05-31 22:59:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 22:59:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 22:59:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 22:59:15] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 22:59:15] [INFO ] [Nat]Added 75 Read/Feed constraints in 63 ms returned sat
[2024-05-31 22:59:16] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 65 ms.
[2024-05-31 22:59:16] [INFO ] Deduced a trap composed of 131 places in 156 ms of which 3 ms to minimize.
[2024-05-31 22:59:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2024-05-31 22:59:16] [INFO ] Added : 6 causal constraints over 2 iterations in 425 ms. Result :sat
Minimization took 457 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[64] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 39 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 42 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 22:59:17] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 22:59:17] [INFO ] Invariant cache hit.
[2024-05-31 22:59:17] [INFO ] Implicit Places using invariants in 280 ms returned []
[2024-05-31 22:59:17] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 22:59:17] [INFO ] Invariant cache hit.
[2024-05-31 22:59:17] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 22:59:18] [INFO ] Implicit Places using invariants and state equation in 1201 ms returned []
Implicit Place search using SMT with State Equation took 1485 ms to find 0 implicit places.
[2024-05-31 22:59:18] [INFO ] Redundant transitions in 17 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 22:59:18] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 22:59:18] [INFO ] Invariant cache hit.
[2024-05-31 22:59:18] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1097 variables, 1204/1697 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 64080ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 64090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65645 ms. Remains : 416/416 places, 1206/1206 transitions.
[2024-05-31 23:00:22] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[64] Max Struct:[+inf]
[2024-05-31 23:00:23] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:00:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[64] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1909 ms. (523 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1073 ms. (931 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[64] Max Struct:[+inf]
[2024-05-31 23:00:26] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:00:26] [INFO ] Invariant cache hit.
[2024-05-31 23:00:26] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 23:00:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:00:26] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2024-05-31 23:00:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:00:26] [INFO ] [Real]Added 75 Read/Feed constraints in 44 ms returned sat
[2024-05-31 23:00:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:00:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 23:00:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:00:26] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2024-05-31 23:00:26] [INFO ] [Nat]Added 75 Read/Feed constraints in 60 ms returned sat
[2024-05-31 23:00:26] [INFO ] Deduced a trap composed of 135 places in 188 ms of which 3 ms to minimize.
[2024-05-31 23:00:27] [INFO ] Deduced a trap composed of 131 places in 172 ms of which 2 ms to minimize.
[2024-05-31 23:00:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 436 ms
[2024-05-31 23:00:27] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 61 ms.
[2024-05-31 23:00:27] [INFO ] Added : 4 causal constraints over 1 iterations in 144 ms. Result :sat
Minimization took 403 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[64] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[64] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 40 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 42 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 23:00:27] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:00:27] [INFO ] Invariant cache hit.
[2024-05-31 23:00:28] [INFO ] Implicit Places using invariants in 281 ms returned []
[2024-05-31 23:00:28] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:00:28] [INFO ] Invariant cache hit.
[2024-05-31 23:00:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:00:29] [INFO ] Implicit Places using invariants and state equation in 1188 ms returned []
Implicit Place search using SMT with State Equation took 1518 ms to find 0 implicit places.
[2024-05-31 23:00:29] [INFO ] Redundant transitions in 13 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 23:00:29] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:00:29] [INFO ] Invariant cache hit.
[2024-05-31 23:00:29] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33995ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 34006ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35589 ms. Remains : 416/416 places, 1206/1206 transitions.
[2024-05-31 23:01:03] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[64] Max Struct:[+inf]
RANDOM walk for 40023 steps (8 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 583189 steps, run timeout after 3001 ms. (steps per millisecond=194 ) properties seen :0 out of 1
Probabilistic random walk after 583189 steps, saw 354739 distinct states, run finished after 3001 ms. (steps per millisecond=194 ) properties seen :0
[2024-05-31 23:01:06] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:01:06] [INFO ] Invariant cache hit.
[2024-05-31 23:01:06] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 62/1014 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1014 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 23:01:07] [INFO ] Deduced a trap composed of 135 places in 165 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 535 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 845ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 50 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 40002 steps (8 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 580397 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 1
Probabilistic random walk after 580397 steps, saw 352962 distinct states, run finished after 3001 ms. (steps per millisecond=193 ) properties seen :0
[2024-05-31 23:01:10] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:01:10] [INFO ] Invariant cache hit.
[2024-05-31 23:01:10] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 318 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 62/1014 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1014 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-31 23:01:11] [INFO ] Deduced a trap composed of 135 places in 162 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 528 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 855ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 44 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 40 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 23:01:11] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:01:11] [INFO ] Invariant cache hit.
[2024-05-31 23:01:11] [INFO ] Implicit Places using invariants in 284 ms returned []
[2024-05-31 23:01:11] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:01:11] [INFO ] Invariant cache hit.
[2024-05-31 23:01:12] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:01:13] [INFO ] Implicit Places using invariants and state equation in 1238 ms returned []
Implicit Place search using SMT with State Equation took 1524 ms to find 0 implicit places.
[2024-05-31 23:01:13] [INFO ] Redundant transitions in 19 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 23:01:13] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2024-05-31 23:01:13] [INFO ] Invariant cache hit.
[2024-05-31 23:01:13] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33851ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 33861ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35451 ms. Remains : 416/416 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 416 transition count 670
Reduce places removed 11 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 12 rules applied. Total rules applied 548 place count 405 transition count 669
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 549 place count 404 transition count 669
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 68 Pre rules applied. Total rules applied 549 place count 404 transition count 601
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 3 with 136 rules applied. Total rules applied 685 place count 336 transition count 601
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 3 with 254 rules applied. Total rules applied 939 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 3 with 64 rule applications. Total rules 1003 place count 145 transition count 346
Iterating global reduction 3 with 64 rules applied. Total rules applied 1067 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1068 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1068 place count 145 transition count 344
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 1070 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 4 with 63 rule applications. Total rules 1133 place count 81 transition count 218
Iterating global reduction 4 with 63 rules applied. Total rules applied 1196 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 4 with 63 rule applications. Total rules 1259 place count 18 transition count 92
Iterating global reduction 4 with 63 rules applied. Total rules applied 1322 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 4 with 63 rules applied. Total rules applied 1385 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1385 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1387 place count 17 transition count 28
Applied a total of 1387 rules in 40 ms. Remains 17 /416 variables (removed 399) and now considering 28/1206 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 28 rows 17 cols
[2024-05-31 23:01:47] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 23:01:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:01:47] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 23:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:01:47] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 23:01:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 23:01:47] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 23:01:47] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 23:01:47] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 112 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[64] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-12 in 156505 ms.
Starting property specific reduction for FunctionPointer-PT-c064-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]
[2024-05-31 23:01:47] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 23:01:47] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 23:01:47] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 23:01:47] [INFO ] Invariant cache hit.
[2024-05-31 23:01:47] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2024-05-31 23:01:47] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 23:01:47] [INFO ] [Real]Added 92 Read/Feed constraints in 28 ms returned sat
[2024-05-31 23:01:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2024-05-31 23:01:47] [INFO ] [Nat]Added 92 Read/Feed constraints in 21 ms returned sat
[2024-05-31 23:01:47] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 66 ms.
[2024-05-31 23:01:47] [INFO ] Added : 1 causal constraints over 1 iterations in 153 ms. Result :sat
Minimization took 466 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 451 transition count 1288
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 29 place count 445 transition count 1274
Iterating global reduction 2 with 6 rules applied. Total rules applied 35 place count 445 transition count 1274
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 445 transition count 1270
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 44 place count 440 transition count 1260
Iterating global reduction 3 with 5 rules applied. Total rules applied 49 place count 440 transition count 1260
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 54 place count 435 transition count 1248
Iterating global reduction 3 with 5 rules applied. Total rules applied 59 place count 435 transition count 1248
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 64 place count 430 transition count 1236
Iterating global reduction 3 with 5 rules applied. Total rules applied 69 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 73 place count 426 transition count 1228
Iterating global reduction 3 with 4 rules applied. Total rules applied 77 place count 426 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 80 place count 423 transition count 1222
Iterating global reduction 3 with 3 rules applied. Total rules applied 83 place count 423 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 86 place count 420 transition count 1216
Iterating global reduction 3 with 3 rules applied. Total rules applied 89 place count 420 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 91 place count 418 transition count 1212
Iterating global reduction 3 with 2 rules applied. Total rules applied 93 place count 418 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 95 place count 416 transition count 1208
Iterating global reduction 3 with 2 rules applied. Total rules applied 97 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 98 place count 415 transition count 1206
Iterating global reduction 3 with 1 rules applied. Total rules applied 99 place count 415 transition count 1206
Applied a total of 99 rules in 140 ms. Remains 415 /460 variables (removed 45) and now considering 1206/1310 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 415/460 places, 1206/1310 transitions.
[2024-05-31 23:01:48] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 23:01:48] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2024-05-31 23:01:48] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1927 ms. (518 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1065 ms. (938 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[717] Max Struct:[+inf]
[2024-05-31 23:01:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:01:51] [INFO ] Invariant cache hit.
[2024-05-31 23:01:51] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:01:52] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2024-05-31 23:01:52] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 23:01:52] [INFO ] [Real]Added 74 Read/Feed constraints in 22 ms returned sat
[2024-05-31 23:01:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:01:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:01:52] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2024-05-31 23:01:52] [INFO ] [Nat]Added 74 Read/Feed constraints in 20 ms returned sat
[2024-05-31 23:01:52] [INFO ] Deduced a trap composed of 72 places in 190 ms of which 2 ms to minimize.
[2024-05-31 23:01:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2024-05-31 23:01:52] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 58 ms.
[2024-05-31 23:01:53] [INFO ] Deduced a trap composed of 209 places in 179 ms of which 2 ms to minimize.
[2024-05-31 23:01:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2024-05-31 23:01:53] [INFO ] Added : 7 causal constraints over 4 iterations in 507 ms. Result :sat
Minimization took 256 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[717] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[717] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 39 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 39 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 23:01:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:01:56] [INFO ] Invariant cache hit.
[2024-05-31 23:01:56] [INFO ] Implicit Places using invariants in 287 ms returned []
[2024-05-31 23:01:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:01:56] [INFO ] Invariant cache hit.
[2024-05-31 23:01:56] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 23:01:57] [INFO ] Implicit Places using invariants and state equation in 1119 ms returned []
Implicit Place search using SMT with State Equation took 1410 ms to find 0 implicit places.
[2024-05-31 23:01:57] [INFO ] Redundant transitions in 17 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 23:01:57] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:01:57] [INFO ] Invariant cache hit.
[2024-05-31 23:01:57] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
[2024-05-31 23:02:16] [INFO ] Deduced a trap composed of 131 places in 96 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33816ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 33826ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35304 ms. Remains : 415/415 places, 1206/1206 transitions.
[2024-05-31 23:02:31] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[717] Max Struct:[+inf]
[2024-05-31 23:02:32] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:02:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[717] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1940 ms. (515 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1136 ms. (879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[717] Max Struct:[+inf]
[2024-05-31 23:02:35] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:02:35] [INFO ] Invariant cache hit.
[2024-05-31 23:02:35] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:02:35] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-31 23:02:35] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 23:02:35] [INFO ] [Real]Added 74 Read/Feed constraints in 25 ms returned sat
[2024-05-31 23:02:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:02:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 23:02:35] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 23:02:35] [INFO ] [Nat]Added 74 Read/Feed constraints in 19 ms returned sat
[2024-05-31 23:02:35] [INFO ] Deduced a trap composed of 72 places in 187 ms of which 3 ms to minimize.
[2024-05-31 23:02:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 240 ms
[2024-05-31 23:02:35] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 60 ms.
[2024-05-31 23:02:36] [INFO ] Deduced a trap composed of 209 places in 173 ms of which 3 ms to minimize.
[2024-05-31 23:02:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2024-05-31 23:02:36] [INFO ] Added : 7 causal constraints over 4 iterations in 511 ms. Result :sat
Minimization took 255 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[717] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[717] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 48 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 44 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 23:02:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:02:39] [INFO ] Invariant cache hit.
[2024-05-31 23:02:39] [INFO ] Implicit Places using invariants in 292 ms returned []
[2024-05-31 23:02:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:02:39] [INFO ] Invariant cache hit.
[2024-05-31 23:02:40] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 23:02:41] [INFO ] Implicit Places using invariants and state equation in 1122 ms returned []
Implicit Place search using SMT with State Equation took 1415 ms to find 0 implicit places.
[2024-05-31 23:02:41] [INFO ] Redundant transitions in 15 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 23:02:41] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:02:41] [INFO ] Invariant cache hit.
[2024-05-31 23:02:41] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
[2024-05-31 23:02:59] [INFO ] Deduced a trap composed of 131 places in 94 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33701ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 33711ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35196 ms. Remains : 415/415 places, 1206/1206 transitions.
[2024-05-31 23:03:14] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[717] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 579115 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 579115 steps, saw 355105 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-31 23:03:18] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:03:18] [INFO ] Invariant cache hit.
[2024-05-31 23:03:18] [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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 646ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1235 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40009 steps (8 resets) in 126 ms. (315 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 569895 steps, run timeout after 3001 ms. (steps per millisecond=189 ) properties seen :0 out of 1
Probabilistic random walk after 569895 steps, saw 349450 distinct states, run finished after 3001 ms. (steps per millisecond=189 ) properties seen :0
[2024-05-31 23:03:23] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:03:23] [INFO ] Invariant cache hit.
[2024-05-31 23:03:23] [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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 296 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 630ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1238 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 42 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2024-05-31 23:03:25] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:03:25] [INFO ] Invariant cache hit.
[2024-05-31 23:03:25] [INFO ] Implicit Places using invariants in 275 ms returned []
[2024-05-31 23:03:25] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:03:25] [INFO ] Invariant cache hit.
[2024-05-31 23:03:25] [INFO ] State equation strengthened by 74 read => feed constraints.
[2024-05-31 23:03:26] [INFO ] Implicit Places using invariants and state equation in 1128 ms returned []
Implicit Place search using SMT with State Equation took 1405 ms to find 0 implicit places.
[2024-05-31 23:03:26] [INFO ] Redundant transitions in 19 ms returned []
Running 1204 sub problems to find dead transitions.
[2024-05-31 23:03:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2024-05-31 23:03:26] [INFO ] Invariant cache hit.
[2024-05-31 23:03:26] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
[2024-05-31 23:03:45] [INFO ] Deduced a trap composed of 131 places in 98 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
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(s227 1.0)
(s228 1.0)
(s229 1.0)
(s230 0.0)
(s231 0.0)
(s232 0.0)
(s233 0.0)
(s234 0.0)
(s235 0.0)
(s236 0.0)
(s237 0.0)
(s238 0.0)
(s239 0.0)
(s240 0.0)
(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 0.0)
(s261 0.0)
(s262 0.0)
(s263 0.0)
(s264 0.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 1.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 0.0)
(s289 1.0)
(s290 0.0)
(s291 0.0)
(s292 0.0)
(s293 0.0)
(s294 0.0)
(s295 0.0)
(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 0.0)
(s304 0.0)
(s305 0.0)
(s306 0.0)
(s307 0.0)
(s308 0.0)
(s309 0.0)
(s310 0.0)
(s311 0.0)
(s312 0.0)
(s313 0.0)
(s314 0.0)
(s315 0.0)
(s316 0.0)
(s317 0.0)
(s318 0.0)
(s319 0.0)
(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 0.0)
(s324 0.0)
(s325 0.0)
(s326 10.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 0.0)
(s332 0.0)
(s333 1.0)
(s334 1.0)
(s335 1.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 0.0)
(s350 0.0)
(s351 1.0)
(s352 1.0)
(s353 1.0)
(s354 1.0)
(s355 1.0)
(s356 1.0)
(s357 1.0)
(s358 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 33713ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 33725ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35203 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 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 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 1 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
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 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
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 1386 place count 17 transition count 28
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 1389 place count 17 transition count 25
Applied a total of 1389 rules in 20 ms. Remains 17 /415 variables (removed 398) and now considering 25/1206 (removed 1181) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 25 rows 17 cols
[2024-05-31 23:04:00] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 23:04:00] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 23:04:00] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 23:04:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 23:04:00] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 23:04:00] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 23:04:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 23:04:00] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 23:04:00] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 23:04:00] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 23:04:00] [INFO ] After 31ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 89 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[717] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-13 in 133349 ms.
Starting property specific reduction for FunctionPointer-PT-c064-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]
[2024-05-31 23:04:00] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
// Phase 1: matrix 755 rows 460 cols
[2024-05-31 23:04:00] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 23:04:00] [INFO ] Flow matrix only has 755 transitions (discarded 555 similar events)
[2024-05-31 23:04:00] [INFO ] Invariant cache hit.
[2024-05-31 23:04:00] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2024-05-31 23:04:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:04:00] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-31 23:04:00] [INFO ] State equation strengthened by 92 read => feed constraints.
[2024-05-31 23:04:00] [INFO ] [Real]Added 92 Read/Feed constraints in 23 ms returned sat
[2024-05-31 23:04:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:04:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 23:04:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 23:04:00] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-05-31 23:04:00] [INFO ] [Nat]Added 92 Read/Feed constraints in 20 ms returned sat
[2024-05-31 23:04:01] [INFO ] Computed and/alt/rep : 108/210/95 causal constraints (skipped 658 transitions) in 78 ms.
[2024-05-31 23:04:01] [INFO ] Added : 13 causal constraints over 3 iterations in 252 ms. Result :sat
Minimization took 482 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 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1310/1310 transitions.
Graph (complete) has 2241 edges and 460 vertex of which 457 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 457 transition count 1304
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 451 transition count 1292
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 451 transition count 1292
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 451 transition count 1288
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 27 place count 447 transition count 1278
Iterating global reduction 2 with 4 rules applied. Total rules applied 31 place count 447 transition count 1278
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 35 place count 443 transition count 1270
Iterating global reduction 2 with 4 rules applied. Total rules applied 39 place count 443 transition count 1270
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 43 place count 439 transition count 1260
Iterating global reduction 2 with 4 rules applied. Total rules applied 47 place count 439 transition count 1260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 435 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 435 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 59 place count 431 transition count 1244
Iterating global reduction 2 with 4 rules applied. Total rules applied 63 place count 431 transition count 1244
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 65 place count 429 transition count 1240
Iterating global reduction 2 with 2 rules applied. Total rules applied 67 place count 429 transition count 1240
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 69 place count 427 transition count 1236
Iterating global reduction 2 with 2 rules applied. Total rules applied 71 place count 427 transition count 1236
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 72 place count 426 transition count 1234
Iterating global reduction 2 with 1 rules applied. Total rules applied 73 place count 426 transition count 1234
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 74 place count 425 transition count 1232
Iterating global reduction 2 with 1 rules applied. Total rules applied 75 place count 425 transition count 1232
Applied a total of 75 rules in 131 ms. Remains 425 /460 variables (removed 35) and now considering 1232/1310 (removed 78) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131 ms. Remains : 425/460 places, 1232/1310 transitions.
[2024-05-31 23:04:01] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 23:04:02] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
// Phase 1: matrix 695 rows 425 cols
[2024-05-31 23:04:02] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1941 ms. (514 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1169 ms. (854 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[103] Max Struct:[+inf]
[2024-05-31 23:04:05] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:05] [INFO ] Invariant cache hit.
[2024-05-31 23:04:05] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:04:05] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2024-05-31 23:04:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:04:05] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2024-05-31 23:04:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:04:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:04:05] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2024-05-31 23:04:05] [INFO ] [Nat]Added 75 Read/Feed constraints in 38 ms returned sat
[2024-05-31 23:04:06] [INFO ] Deduced a trap composed of 113 places in 188 ms of which 2 ms to minimize.
[2024-05-31 23:04:06] [INFO ] Deduced a trap composed of 97 places in 176 ms of which 2 ms to minimize.
[2024-05-31 23:04:06] [INFO ] Deduced a trap composed of 81 places in 177 ms of which 3 ms to minimize.
[2024-05-31 23:04:06] [INFO ] Deduced a trap composed of 74 places in 189 ms of which 3 ms to minimize.
[2024-05-31 23:04:06] [INFO ] Deduced a trap composed of 73 places in 176 ms of which 3 ms to minimize.
[2024-05-31 23:04:07] [INFO ] Deduced a trap composed of 71 places in 195 ms of which 2 ms to minimize.
[2024-05-31 23:04:07] [INFO ] Deduced a trap composed of 70 places in 185 ms of which 3 ms to minimize.
[2024-05-31 23:04:07] [INFO ] Deduced a trap composed of 77 places in 196 ms of which 2 ms to minimize.
[2024-05-31 23:04:07] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1675 ms
[2024-05-31 23:04:07] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 64 ms.
[2024-05-31 23:04:07] [INFO ] Added : 29 causal constraints over 7 iterations in 344 ms. Result :sat
Minimization took 267 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[103] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[103] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 44 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 43 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2024-05-31 23:04:09] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:09] [INFO ] Invariant cache hit.
[2024-05-31 23:04:09] [INFO ] Implicit Places using invariants in 303 ms returned []
[2024-05-31 23:04:09] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:09] [INFO ] Invariant cache hit.
[2024-05-31 23:04:09] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:04:10] [INFO ] Implicit Places using invariants and state equation in 1176 ms returned []
Implicit Place search using SMT with State Equation took 1480 ms to find 0 implicit places.
[2024-05-31 23:04:10] [INFO ] Redundant transitions in 21 ms returned []
Running 1230 sub problems to find dead transitions.
[2024-05-31 23:04:10] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:10] [INFO ] Invariant cache hit.
[2024-05-31 23:04:10] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
[2024-05-31 23:04:30] [INFO ] Deduced a trap composed of 131 places in 114 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 33991ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 34001ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35552 ms. Remains : 425/425 places, 1232/1232 transitions.
[2024-05-31 23:04:44] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[103] Max Struct:[+inf]
[2024-05-31 23:04:45] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[103] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1923 ms. (519 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1192 ms. (838 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[118] Max Struct:[+inf]
[2024-05-31 23:04:48] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:48] [INFO ] Invariant cache hit.
[2024-05-31 23:04:48] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:04:48] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2024-05-31 23:04:48] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:04:48] [INFO ] [Real]Added 75 Read/Feed constraints in 35 ms returned sat
[2024-05-31 23:04:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:04:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:04:48] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2024-05-31 23:04:48] [INFO ] [Nat]Added 75 Read/Feed constraints in 39 ms returned sat
[2024-05-31 23:04:48] [INFO ] Deduced a trap composed of 113 places in 191 ms of which 3 ms to minimize.
[2024-05-31 23:04:49] [INFO ] Deduced a trap composed of 97 places in 185 ms of which 3 ms to minimize.
[2024-05-31 23:04:49] [INFO ] Deduced a trap composed of 81 places in 177 ms of which 3 ms to minimize.
[2024-05-31 23:04:49] [INFO ] Deduced a trap composed of 74 places in 175 ms of which 2 ms to minimize.
[2024-05-31 23:04:49] [INFO ] Deduced a trap composed of 73 places in 178 ms of which 3 ms to minimize.
[2024-05-31 23:04:49] [INFO ] Deduced a trap composed of 71 places in 174 ms of which 2 ms to minimize.
[2024-05-31 23:04:50] [INFO ] Deduced a trap composed of 70 places in 177 ms of which 3 ms to minimize.
[2024-05-31 23:04:50] [INFO ] Deduced a trap composed of 77 places in 184 ms of which 3 ms to minimize.
[2024-05-31 23:04:50] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1657 ms
[2024-05-31 23:04:50] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 64 ms.
[2024-05-31 23:04:50] [INFO ] Added : 29 causal constraints over 7 iterations in 355 ms. Result :sat
Minimization took 272 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[118] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[118] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 42 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 45 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2024-05-31 23:04:52] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:52] [INFO ] Invariant cache hit.
[2024-05-31 23:04:52] [INFO ] Implicit Places using invariants in 301 ms returned []
[2024-05-31 23:04:52] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:52] [INFO ] Invariant cache hit.
[2024-05-31 23:04:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:04:53] [INFO ] Implicit Places using invariants and state equation in 1215 ms returned []
Implicit Place search using SMT with State Equation took 1518 ms to find 0 implicit places.
[2024-05-31 23:04:53] [INFO ] Redundant transitions in 17 ms returned []
Running 1230 sub problems to find dead transitions.
[2024-05-31 23:04:53] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:04:53] [INFO ] Invariant cache hit.
[2024-05-31 23:04:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
[2024-05-31 23:05:13] [INFO ] Deduced a trap composed of 131 places in 117 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 34104ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 34115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35706 ms. Remains : 425/425 places, 1232/1232 transitions.
[2024-05-31 23:05:27] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[118] Max Struct:[+inf]
[2024-05-31 23:05:28] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:05:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[118] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2089 ms. (478 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1179 ms. (847 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[119] Max Struct:[+inf]
[2024-05-31 23:05:31] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:05:31] [INFO ] Invariant cache hit.
[2024-05-31 23:05:31] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 23:05:31] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-31 23:05:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:05:31] [INFO ] [Real]Added 75 Read/Feed constraints in 37 ms returned sat
[2024-05-31 23:05:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:05:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:05:31] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2024-05-31 23:05:31] [INFO ] [Nat]Added 75 Read/Feed constraints in 40 ms returned sat
[2024-05-31 23:05:32] [INFO ] Deduced a trap composed of 113 places in 198 ms of which 3 ms to minimize.
[2024-05-31 23:05:32] [INFO ] Deduced a trap composed of 97 places in 192 ms of which 2 ms to minimize.
[2024-05-31 23:05:32] [INFO ] Deduced a trap composed of 81 places in 185 ms of which 3 ms to minimize.
[2024-05-31 23:05:32] [INFO ] Deduced a trap composed of 74 places in 198 ms of which 3 ms to minimize.
[2024-05-31 23:05:33] [INFO ] Deduced a trap composed of 73 places in 185 ms of which 3 ms to minimize.
[2024-05-31 23:05:33] [INFO ] Deduced a trap composed of 71 places in 182 ms of which 2 ms to minimize.
[2024-05-31 23:05:33] [INFO ] Deduced a trap composed of 70 places in 180 ms of which 6 ms to minimize.
[2024-05-31 23:05:33] [INFO ] Deduced a trap composed of 77 places in 191 ms of which 3 ms to minimize.
[2024-05-31 23:05:33] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1713 ms
[2024-05-31 23:05:33] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 58 ms.
[2024-05-31 23:05:34] [INFO ] Added : 29 causal constraints over 7 iterations in 327 ms. Result :sat
Minimization took 282 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[119] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[119] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 42 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 43 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2024-05-31 23:05:35] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:05:35] [INFO ] Invariant cache hit.
[2024-05-31 23:05:35] [INFO ] Implicit Places using invariants in 301 ms returned []
[2024-05-31 23:05:35] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:05:35] [INFO ] Invariant cache hit.
[2024-05-31 23:05:36] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:05:37] [INFO ] Implicit Places using invariants and state equation in 1250 ms returned []
Implicit Place search using SMT with State Equation took 1552 ms to find 0 implicit places.
[2024-05-31 23:05:37] [INFO ] Redundant transitions in 21 ms returned []
Running 1230 sub problems to find dead transitions.
[2024-05-31 23:05:37] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:05:37] [INFO ] Invariant cache hit.
[2024-05-31 23:05:37] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
[2024-05-31 23:05:56] [INFO ] Deduced a trap composed of 131 places in 117 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 34130ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 34140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35767 ms. Remains : 425/425 places, 1232/1232 transitions.
[2024-05-31 23:06:11] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[119] Max Struct:[+inf]
[2024-05-31 23:06:11] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[119] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2010 ms. (497 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1229 ms. (813 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[119] Max Struct:[+inf]
[2024-05-31 23:06:14] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:14] [INFO ] Invariant cache hit.
[2024-05-31 23:06:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:06:15] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2024-05-31 23:06:15] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:06:15] [INFO ] [Real]Added 75 Read/Feed constraints in 41 ms returned sat
[2024-05-31 23:06:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 23:06:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 23:06:15] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2024-05-31 23:06:15] [INFO ] [Nat]Added 75 Read/Feed constraints in 38 ms returned sat
[2024-05-31 23:06:15] [INFO ] Deduced a trap composed of 113 places in 192 ms of which 3 ms to minimize.
[2024-05-31 23:06:15] [INFO ] Deduced a trap composed of 97 places in 183 ms of which 2 ms to minimize.
[2024-05-31 23:06:15] [INFO ] Deduced a trap composed of 81 places in 176 ms of which 3 ms to minimize.
[2024-05-31 23:06:16] [INFO ] Deduced a trap composed of 74 places in 180 ms of which 3 ms to minimize.
[2024-05-31 23:06:16] [INFO ] Deduced a trap composed of 73 places in 185 ms of which 3 ms to minimize.
[2024-05-31 23:06:16] [INFO ] Deduced a trap composed of 71 places in 183 ms of which 3 ms to minimize.
[2024-05-31 23:06:16] [INFO ] Deduced a trap composed of 70 places in 186 ms of which 2 ms to minimize.
[2024-05-31 23:06:16] [INFO ] Deduced a trap composed of 77 places in 173 ms of which 2 ms to minimize.
[2024-05-31 23:06:17] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1663 ms
[2024-05-31 23:06:17] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 65 ms.
[2024-05-31 23:06:17] [INFO ] Added : 29 causal constraints over 7 iterations in 346 ms. Result :sat
Minimization took 284 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[119] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[119] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 42 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 42 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2024-05-31 23:06:18] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:18] [INFO ] Invariant cache hit.
[2024-05-31 23:06:19] [INFO ] Implicit Places using invariants in 287 ms returned []
[2024-05-31 23:06:19] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:19] [INFO ] Invariant cache hit.
[2024-05-31 23:06:19] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:06:20] [INFO ] Implicit Places using invariants and state equation in 1172 ms returned []
Implicit Place search using SMT with State Equation took 1463 ms to find 0 implicit places.
[2024-05-31 23:06:20] [INFO ] Redundant transitions in 17 ms returned []
Running 1230 sub problems to find dead transitions.
[2024-05-31 23:06:20] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:20] [INFO ] Invariant cache hit.
[2024-05-31 23:06:20] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
[2024-05-31 23:06:39] [INFO ] Deduced a trap composed of 131 places in 120 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 33904ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 33914ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35446 ms. Remains : 425/425 places, 1232/1232 transitions.
[2024-05-31 23:06:54] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[119] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 578261 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 1
Probabilistic random walk after 578261 steps, saw 354579 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
[2024-05-31 23:06:57] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:06:57] [INFO ] Invariant cache hit.
[2024-05-31 23:06:57] [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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/379 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/983 variables, 338/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/983 variables, 74/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1045 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1045 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 70/1115 variables, 68/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1115 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/1119 variables, 2/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1119 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1120 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 503 constraints, problems are : Problem set: 0 solved, 1 unsolved in 299 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/369 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/379 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/379 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/983 variables, 338/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/983 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1045 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1045 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 70/1115 variables, 68/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1115 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 4/1119 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1119 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1120 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 504 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 651ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 692 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 41 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 425/425 places, 1232/1232 transitions.
RANDOM walk for 40001 steps (8 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 577862 steps, run timeout after 3010 ms. (steps per millisecond=191 ) properties seen :0 out of 1
Probabilistic random walk after 577862 steps, saw 354337 distinct states, run finished after 3010 ms. (steps per millisecond=191 ) properties seen :0
[2024-05-31 23:07:02] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:07:02] [INFO ] Invariant cache hit.
[2024-05-31 23:07:02] [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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/379 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/983 variables, 338/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/983 variables, 74/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1045 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1045 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 70/1115 variables, 68/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1115 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/1119 variables, 2/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1119 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1120 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 503 constraints, problems are : Problem set: 0 solved, 1 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/369 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/379 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/379 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/983 variables, 338/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/983 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1045 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1045 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 70/1115 variables, 68/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1115 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 4/1119 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1119 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1120 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 504 constraints, problems are : Problem set: 0 solved, 1 unsolved in 342 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 649ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 681 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 41 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 42 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2024-05-31 23:07:03] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:07:03] [INFO ] Invariant cache hit.
[2024-05-31 23:07:03] [INFO ] Implicit Places using invariants in 297 ms returned []
[2024-05-31 23:07:03] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:07:03] [INFO ] Invariant cache hit.
[2024-05-31 23:07:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2024-05-31 23:07:04] [INFO ] Implicit Places using invariants and state equation in 1186 ms returned []
Implicit Place search using SMT with State Equation took 1485 ms to find 0 implicit places.
[2024-05-31 23:07:04] [INFO ] Redundant transitions in 20 ms returned []
Running 1230 sub problems to find dead transitions.
[2024-05-31 23:07:05] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2024-05-31 23:07:05] [INFO ] Invariant cache hit.
[2024-05-31 23:07:05] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
[2024-05-31 23:07:24] [INFO ] Deduced a trap composed of 131 places in 115 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 33762ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 33771ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35326 ms. Remains : 425/425 places, 1232/1232 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 537 transitions
Reduce isomorphic transitions removed 537 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 546 rules applied. Total rules applied 546 place count 425 transition count 686
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 555 place count 416 transition count 686
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 555 place count 416 transition count 613
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 701 place count 343 transition count 613
Performed 130 Post agglomeration using F-continuation condition.Transition count delta: 130
Deduced a syphon composed of 130 places in 0 ms
Reduce places removed 130 places and 0 transitions.
Iterating global reduction 2 with 260 rules applied. Total rules applied 961 place count 213 transition count 483
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1025 place count 149 transition count 355
Iterating global reduction 2 with 64 rules applied. Total rules applied 1089 place count 149 transition count 355
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1091 place count 149 transition count 353
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1154 place count 86 transition count 227
Iterating global reduction 3 with 63 rules applied. Total rules applied 1217 place count 86 transition count 227
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1280 place count 23 transition count 101
Iterating global reduction 3 with 63 rules applied. Total rules applied 1343 place count 23 transition count 101
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1406 place count 23 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1406 place count 23 transition count 37
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1408 place count 22 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1410 place count 21 transition count 36
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 1412 place count 20 transition count 37
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 1415 place count 20 transition count 34
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1416 place count 19 transition count 33
Iterating global reduction 4 with 1 rules applied. Total rules applied 1417 place count 19 transition count 33
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1419 place count 19 transition count 31
Applied a total of 1419 rules in 24 ms. Remains 19 /425 variables (removed 406) and now considering 31/1232 (removed 1201) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2024-05-31 23:07:38] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 23:07:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 23:07:38] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 23:07:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 23:07:38] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 23:07:38] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 23:07:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 23:07:38] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 23:07:38] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 23:07:38] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 23:07:38] [INFO ] After 46ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 110 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[119] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c064-UpperBounds-14 in 218444 ms.
[2024-05-31 23:07:39] [INFO ] Flatten gal took : 120 ms
[2024-05-31 23:07:39] [INFO ] Export to MCC of 9 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-31 23:07:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 460 places, 1310 transitions and 5366 arcs took 10 ms.
Total runtime 2314922 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-02
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-03
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-06
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-07
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-10
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-11
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-12
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-13
Could not compute solution for formula : FunctionPointer-PT-c064-UpperBounds-14

BK_STOP 1717196859528

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name FunctionPointer-PT-c064-UpperBounds-02
ub formula formula --maxsum=/tmp/2876/ub_0_
ub formula name FunctionPointer-PT-c064-UpperBounds-03
ub formula formula --maxsum=/tmp/2876/ub_1_
ub formula name FunctionPointer-PT-c064-UpperBounds-06
ub formula formula --maxsum=/tmp/2876/ub_2_
ub formula name FunctionPointer-PT-c064-UpperBounds-07
ub formula formula --maxsum=/tmp/2876/ub_3_
ub formula name FunctionPointer-PT-c064-UpperBounds-10
ub formula formula --maxsum=/tmp/2876/ub_4_
ub formula name FunctionPointer-PT-c064-UpperBounds-11
ub formula formula --maxsum=/tmp/2876/ub_5_
ub formula name FunctionPointer-PT-c064-UpperBounds-12
ub formula formula --maxsum=/tmp/2876/ub_6_
ub formula name FunctionPointer-PT-c064-UpperBounds-13
ub formula formula --maxsum=/tmp/2876/ub_7_
ub formula name FunctionPointer-PT-c064-UpperBounds-14
ub formula formula --maxsum=/tmp/2876/ub_8_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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-c064"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is FunctionPointer-PT-c064, 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 r496-tall-171640603100317"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c064.tgz
mv FunctionPointer-PT-c064 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 ;