Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r233-tall-167856418500149.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool ltsminxred
Input is JoinFreeModules-PT-0004, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418500149
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 8.6K Feb 25 11:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 102K Feb 25 11:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 11:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 11:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Feb 25 11:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 11:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 11:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 13K Mar 5 18:22 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 JoinFreeModules-PT-0004-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0004-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679453785524

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0004
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 02:56:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-22 02:56:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 02:56:27] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2023-03-22 02:56:27] [INFO ] Transformed 21 places.
[2023-03-22 02:56:27] [INFO ] Transformed 33 transitions.
[2023-03-22 02:56:27] [INFO ] Parsed PT model containing 21 places and 33 transitions and 94 arcs in 97 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0004-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 33 rows 20 cols
[2023-03-22 02:56:27] [INFO ] Computed 4 place invariants in 6 ms
Incomplete random walk after 10000 steps, including 31 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 15) seen :78
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 15) seen :72
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :67
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :67
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 15) seen :70
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :73
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 15) seen :71
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 15) seen :67
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 15) seen :72
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 15) seen :56
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 15) seen :68
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 15) seen :68
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 15) seen :64
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 15) seen :69
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 15) seen :68
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 15) seen :70
[2023-03-22 02:56:27] [INFO ] Invariant cache hit.
[2023-03-22 02:56:27] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned sat
[2023-03-22 02:56:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:27] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2023-03-22 02:56:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:27] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:27] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-22 02:56:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:27] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:27] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 12 ms.
[2023-03-22 02:56:27] [INFO ] Added : 13 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 17 ms.
[2023-03-22 02:56:27] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:27] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 19 ms.
[2023-03-22 02:56:28] [INFO ] Added : 4 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 26 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:28] [INFO ] Added : 18 causal constraints over 4 iterations in 29 ms. Result :sat
Minimization took 12 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 5 ms.
[2023-03-22 02:56:28] [INFO ] Added : 9 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 14 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 02:56:28] [INFO ] Added : 10 causal constraints over 2 iterations in 17 ms. Result :sat
Minimization took 7 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 7 ms returned sat
[2023-03-22 02:56:28] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 7 ms to minimize.
[2023-03-22 02:56:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 10 ms.
[2023-03-22 02:56:28] [INFO ] Added : 6 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 8 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:28] [INFO ] Added : 6 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 12 ms.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:28] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-22 02:56:28] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:28] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:29] [INFO ] Added : 21 causal constraints over 5 iterations in 47 ms. Result :sat
Minimization took 12 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:29] [INFO ] Added : 10 causal constraints over 3 iterations in 14 ms. Result :sat
Minimization took 14 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:29] [INFO ] Added : 9 causal constraints over 2 iterations in 21 ms. Result :sat
Minimization took 10 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 02:56:29] [INFO ] Added : 9 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 12 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2023-03-22 02:56:29] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
[2023-03-22 02:56:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:29] [INFO ] Added : 9 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 9 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 10 ms to minimize.
[2023-03-22 02:56:29] [INFO ] Deduced a trap composed of 3 places in 15 ms of which 2 ms to minimize.
[2023-03-22 02:56:29] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 71 ms
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 0 ms to minimize.
[2023-03-22 02:56:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:29] [INFO ] Added : 15 causal constraints over 4 iterations in 23 ms. Result :sat
Minimization took 10 ms.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:29] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-22 02:56:29] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:29] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:29] [INFO ] Added : 16 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 7, 7] Max seen :[6, 4, 6, 5, 6, 5, 6, 6, 4, 4, 6, 4, 6, 6, 6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-13 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 14 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 33/33 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 20 transition count 32
Applied a total of 1 rules in 11 ms. Remains 20 /20 variables (removed 0) and now considering 32/33 (removed 1) transitions.
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:30] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-22 02:56:30] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 20/20 places, 32/33 transitions.
[2023-03-22 02:56:30] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 3603 resets, run finished after 967 ms. (steps per millisecond=1034 ) properties (out of 14) seen :74
Incomplete Best-First random walk after 1000000 steps, including 593 resets, run finished after 441 ms. (steps per millisecond=2267 ) properties (out of 14) seen :66
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 359 ms. (steps per millisecond=2785 ) properties (out of 14) seen :62
Incomplete Best-First random walk after 1000001 steps, including 541 resets, run finished after 383 ms. (steps per millisecond=2610 ) properties (out of 14) seen :62
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 316 ms. (steps per millisecond=3164 ) properties (out of 14) seen :66
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 389 ms. (steps per millisecond=2570 ) properties (out of 14) seen :63
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 283 ms. (steps per millisecond=3533 ) properties (out of 14) seen :66
Incomplete Best-First random walk after 1000001 steps, including 522 resets, run finished after 389 ms. (steps per millisecond=2570 ) properties (out of 14) seen :66
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 373 ms. (steps per millisecond=2680 ) properties (out of 14) seen :67
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 304 ms. (steps per millisecond=3289 ) properties (out of 14) seen :58
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 314 ms. (steps per millisecond=3184 ) properties (out of 14) seen :63
Incomplete Best-First random walk after 1000001 steps, including 517 resets, run finished after 382 ms. (steps per millisecond=2617 ) properties (out of 14) seen :62
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 293 ms. (steps per millisecond=3412 ) properties (out of 14) seen :64
Incomplete Best-First random walk after 1000001 steps, including 507 resets, run finished after 379 ms. (steps per millisecond=2638 ) properties (out of 14) seen :62
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 364 ms. (steps per millisecond=2747 ) properties (out of 14) seen :68
[2023-03-22 02:56:36] [INFO ] Invariant cache hit.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2023-03-22 02:56:36] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:36] [INFO ] Added : 21 causal constraints over 5 iterations in 50 ms. Result :sat
Minimization took 14 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:36] [INFO ] Added : 14 causal constraints over 4 iterations in 20 ms. Result :sat
Minimization took 20 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:36] [INFO ] Added : 15 causal constraints over 4 iterations in 18 ms. Result :sat
Minimization took 22 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:36] [INFO ] Added : 15 causal constraints over 3 iterations in 16 ms. Result :sat
Minimization took 16 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 5 ms.
[2023-03-22 02:56:36] [INFO ] Added : 15 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 10 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Added 4 Read/Feed constraints in 10 ms returned sat
[2023-03-22 02:56:36] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:36] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 0 ms to minimize.
[2023-03-22 02:56:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2023-03-22 02:56:36] [INFO ] Added : 6 causal constraints over 2 iterations in 51 ms. Result :sat
Minimization took 11 ms.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:36] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2023-03-22 02:56:37] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 0 ms to minimize.
[2023-03-22 02:56:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:37] [INFO ] Added : 10 causal constraints over 2 iterations in 14 ms. Result :sat
Minimization took 8 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:37] [INFO ] Added : 16 causal constraints over 4 iterations in 18 ms. Result :sat
Minimization took 11 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:37] [INFO ] Added : 5 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 9 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:37] [INFO ] Added : 10 causal constraints over 2 iterations in 18 ms. Result :sat
Minimization took 15 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 6 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 02:56:37] [INFO ] Added : 11 causal constraints over 3 iterations in 16 ms. Result :sat
Minimization took 9 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:37] [INFO ] Added : 11 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 9 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:37] [INFO ] Added : 13 causal constraints over 3 iterations in 14 ms. Result :sat
Minimization took 12 ms.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:37] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 02:56:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:37] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:37] [INFO ] Added : 16 causal constraints over 4 iterations in 17 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7] Max seen :[6, 4, 6, 5, 6, 5, 6, 6, 4, 4, 6, 4, 6, 6]
Support contains 14 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 32/32 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
[2023-03-22 02:56:38] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
[2023-03-22 02:56:38] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:38] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-22 02:56:38] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
[2023-03-22 02:56:38] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101 ms. Remains : 20/20 places, 32/32 transitions.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-01
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 33 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :2
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
[2023-03-22 02:56:38] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:38] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:38] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:38] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-22 02:56:38] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:38] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:38] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:38] [INFO ] Added : 21 causal constraints over 5 iterations in 52 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.7 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 8 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:38] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:38] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14039 resets, run finished after 352 ms. (steps per millisecond=2840 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 142857 resets, run finished after 186 ms. (steps per millisecond=5376 ) properties (out of 1) seen :2
[2023-03-22 02:56:38] [INFO ] Invariant cache hit.
[2023-03-22 02:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:38] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:38] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:38] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:38] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:39] [INFO ] Added : 6 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:39] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2023-03-22 02:56:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-01 in 917 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-02
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:39] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :4
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-22 02:56:39] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:39] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:39] [INFO ] Added : 14 causal constraints over 4 iterations in 19 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:39] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:39] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14255 resets, run finished after 328 ms. (steps per millisecond=3048 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 146 ms. (steps per millisecond=6849 ) properties (out of 1) seen :4
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-22 02:56:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:39] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:39] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-22 02:56:39] [INFO ] Added : 6 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:39] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-22 02:56:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-02 in 810 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-03
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:39] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 42 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :2
[2023-03-22 02:56:39] [INFO ] Invariant cache hit.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:39] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2023-03-22 02:56:39] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:39] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:39] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:39] [INFO ] Added : 15 causal constraints over 4 iterations in 16 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:40] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:40] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:40] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14082 resets, run finished after 368 ms. (steps per millisecond=2717 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 142857 resets, run finished after 190 ms. (steps per millisecond=5263 ) properties (out of 1) seen :2
[2023-03-22 02:56:40] [INFO ] Invariant cache hit.
[2023-03-22 02:56:40] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:40] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:40] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-22 02:56:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:40] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2023-03-22 02:56:40] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
[2023-03-22 02:56:40] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 23 ms
Current structural bounds on expressions (after SMT) : [6] Max seen :[6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-03 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-03 in 793 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-04
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:40] [INFO ] Computed 4 place invariants in 7 ms
Incomplete random walk after 10000 steps, including 39 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :5
[2023-03-22 02:56:40] [INFO ] Invariant cache hit.
[2023-03-22 02:56:40] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:40] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:40] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-22 02:56:40] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:40] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:40] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:40] [INFO ] Added : 15 causal constraints over 3 iterations in 15 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.1 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 3 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:40] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:40] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:40] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14026 resets, run finished after 338 ms. (steps per millisecond=2958 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 165 ms. (steps per millisecond=6060 ) properties (out of 1) seen :5
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
[2023-03-22 02:56:41] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:41] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:41] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:41] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:41] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:41] [INFO ] Added : 5 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
[2023-03-22 02:56:41] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
[2023-03-22 02:56:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:41] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-22 02:56:41] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
[2023-03-22 02:56:41] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-04 in 850 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-05
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:41] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 37 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :4
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
[2023-03-22 02:56:41] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:41] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:41] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-22 02:56:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:41] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:41] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:41] [INFO ] Added : 15 causal constraints over 3 iterations in 20 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:41] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:41] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:41] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14328 resets, run finished after 372 ms. (steps per millisecond=2688 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 205 ms. (steps per millisecond=4878 ) properties (out of 1) seen :4
[2023-03-22 02:56:42] [INFO ] Invariant cache hit.
[2023-03-22 02:56:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:42] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:42] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:42] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:42] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 0 ms to minimize.
[2023-03-22 02:56:42] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 24 ms
Current structural bounds on expressions (after SMT) : [6] Max seen :[6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-05 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-05 in 840 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-06
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:42] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10001 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :5
[2023-03-22 02:56:42] [INFO ] Invariant cache hit.
[2023-03-22 02:56:42] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:42] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 02:56:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:42] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-22 02:56:42] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:42] [INFO ] [Nat]Added 4 Read/Feed constraints in 10 ms returned sat
[2023-03-22 02:56:42] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:42] [INFO ] Deduced a trap composed of 3 places in 15 ms of which 0 ms to minimize.
[2023-03-22 02:56:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2023-03-22 02:56:42] [INFO ] Added : 6 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:42] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:42] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:42] [INFO ] Invariant cache hit.
Incomplete random walk after 1000001 steps, including 14352 resets, run finished after 372 ms. (steps per millisecond=2688 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 166 ms. (steps per millisecond=6024 ) properties (out of 1) seen :5
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
[2023-03-22 02:56:43] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:43] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:43] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-22 02:56:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:43] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:43] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:43] [INFO ] Added : 5 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
[2023-03-22 02:56:43] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
[2023-03-22 02:56:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:43] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-22 02:56:43] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
[2023-03-22 02:56:43] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-06 in 901 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-07
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:43] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10001 steps, including 32 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :2
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
[2023-03-22 02:56:43] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:43] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:43] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2023-03-22 02:56:43] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:43] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2023-03-22 02:56:43] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 7 ms.
[2023-03-22 02:56:43] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 0 ms to minimize.
[2023-03-22 02:56:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2023-03-22 02:56:43] [INFO ] Added : 16 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:43] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:43] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:43] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14299 resets, run finished after 336 ms. (steps per millisecond=2976 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 142857 resets, run finished after 170 ms. (steps per millisecond=5882 ) properties (out of 1) seen :2
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2023-03-22 02:56:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:44] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-22 02:56:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:44] [INFO ] [Nat]Added 1 Read/Feed constraints in 12 ms returned sat
[2023-03-22 02:56:44] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-22 02:56:44] [INFO ] Added : 6 causal constraints over 2 iterations in 18 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:44] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-22 02:56:44] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-07 in 960 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-08
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:44] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 35 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :3
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-22 02:56:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-22 02:56:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:44] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-22 02:56:44] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:44] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:44] [INFO ] Added : 16 causal constraints over 4 iterations in 16 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:44] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:44] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 13970 resets, run finished after 333 ms. (steps per millisecond=3003 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 188 ms. (steps per millisecond=5319 ) properties (out of 1) seen :4
[2023-03-22 02:56:44] [INFO ] Invariant cache hit.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:44] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:45] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:45] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 0 ms to minimize.
[2023-03-22 02:56:45] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 18 ms
Current structural bounds on expressions (after SMT) : [6] Max seen :[6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-08 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-08 in 825 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-09
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:45] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 42 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :4
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-22 02:56:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-22 02:56:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 9 ms returned sat
[2023-03-22 02:56:45] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 02:56:45] [INFO ] Added : 5 causal constraints over 2 iterations in 26 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:45] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-22 02:56:45] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14206 resets, run finished after 365 ms. (steps per millisecond=2739 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 147 ms. (steps per millisecond=6802 ) properties (out of 1) seen :4
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:45] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:45] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:45] [INFO ] Added : 6 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:45] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-22 02:56:45] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-09 in 871 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-10
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:45] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 41 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :4
[2023-03-22 02:56:45] [INFO ] Invariant cache hit.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-22 02:56:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2023-03-22 02:56:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:46] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:46] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:46] [INFO ] Added : 10 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:46] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:46] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
Incomplete random walk after 1000001 steps, including 14010 resets, run finished after 327 ms. (steps per millisecond=3058 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 147 ms. (steps per millisecond=6802 ) properties (out of 1) seen :4
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
[2023-03-22 02:56:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-03-22 02:56:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:46] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:46] [INFO ] Added : 6 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
[2023-03-22 02:56:46] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
[2023-03-22 02:56:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:46] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-22 02:56:46] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
[2023-03-22 02:56:46] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-10 in 802 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-11
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:46] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 45 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :2
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
[2023-03-22 02:56:46] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:46] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2023-03-22 02:56:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:46] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:46] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:46] [INFO ] Added : 11 causal constraints over 3 iterations in 12 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:46] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:46] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:46] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14391 resets, run finished after 324 ms. (steps per millisecond=3086 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 142857 resets, run finished after 168 ms. (steps per millisecond=5952 ) properties (out of 1) seen :2
[2023-03-22 02:56:47] [INFO ] Invariant cache hit.
[2023-03-22 02:56:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:47] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:47] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:47] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2023-03-22 02:56:47] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
[2023-03-22 02:56:47] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 23 ms
Current structural bounds on expressions (after SMT) : [6] Max seen :[6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-11 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-11 in 836 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-12
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:47] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 29 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :4
[2023-03-22 02:56:47] [INFO ] Invariant cache hit.
[2023-03-22 02:56:47] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 02:56:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:47] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-22 02:56:47] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:47] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2023-03-22 02:56:47] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 02:56:47] [INFO ] Added : 11 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 0 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:47] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:47] [INFO ] Dead Transitions using invariants and state equation in 49 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:47] [INFO ] Invariant cache hit.
Incomplete random walk after 1000003 steps, including 14027 resets, run finished after 338 ms. (steps per millisecond=2958 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 168 ms. (steps per millisecond=5952 ) properties (out of 1) seen :4
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
[2023-03-22 02:56:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:48] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-22 02:56:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:48] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:48] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:48] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 02:56:48] [INFO ] Added : 6 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[4]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 2 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
[2023-03-22 02:56:48] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
[2023-03-22 02:56:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:48] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-22 02:56:48] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
[2023-03-22 02:56:48] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-12 in 906 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-14
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:48] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 36 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :5
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :2
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
[2023-03-22 02:56:48] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:48] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:48] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-22 02:56:48] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:48] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2023-03-22 02:56:48] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 02:56:48] [INFO ] Added : 9 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[5]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:48] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:48] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:48] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 14031 resets, run finished after 335 ms. (steps per millisecond=2985 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 142857 resets, run finished after 178 ms. (steps per millisecond=5617 ) properties (out of 1) seen :2
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
[2023-03-22 02:56:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:49] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-22 02:56:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:49] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-22 02:56:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:49] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:49] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-22 02:56:49] [INFO ] Added : 6 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
[2023-03-22 02:56:49] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
[2023-03-22 02:56:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:49] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-22 02:56:49] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
[2023-03-22 02:56:49] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 5/5 places, 8/8 transitions.
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-14 in 830 ms.
Starting property specific reduction for JoinFreeModules-PT-0004-UpperBounds-15
// Phase 1: matrix 32 rows 20 cols
[2023-03-22 02:56:49] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 10001 steps, including 36 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :4
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
[2023-03-22 02:56:49] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 02:56:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:49] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-22 02:56:49] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 02:56:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:49] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-22 02:56:49] [INFO ] Added : 16 causal constraints over 4 iterations in 17 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[6]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Graph (complete) has 48 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions removed 24 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /20 variables (removed 15) and now considering 8/32 (removed 24) transitions.
// Phase 1: matrix 8 rows 5 cols
[2023-03-22 02:56:49] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-22 02:56:49] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 5/20 places, 8/32 transitions.
[2023-03-22 02:56:49] [INFO ] Invariant cache hit.
Incomplete random walk after 1000001 steps, including 14166 resets, run finished after 335 ms. (steps per millisecond=2985 ) properties (out of 1) seen :6
Incomplete Best-First random walk after 1000001 steps, including 5 resets, run finished after 208 ms. (steps per millisecond=4807 ) properties (out of 1) seen :4
[2023-03-22 02:56:50] [INFO ] Invariant cache hit.
[2023-03-22 02:56:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-22 02:56:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 02:56:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-22 02:56:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 02:56:50] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-22 02:56:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 02:56:50] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 02:56:50] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 0 ms to minimize.
[2023-03-22 02:56:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 26 ms
Current structural bounds on expressions (after SMT) : [6] Max seen :[6]
FORMULA JoinFreeModules-PT-0004-UpperBounds-15 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for JoinFreeModules-PT-0004-UpperBounds-15 in 816 ms.
[2023-03-22 02:56:50] [INFO ] Flatten gal took : 20 ms
[2023-03-22 02:56:50] [INFO ] Export to MCC of 9 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-22 02:56:50] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 20 places, 32 transitions and 84 arcs took 1 ms.
Total runtime 23063 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/1090/ub_0_ --maxsum=/tmp/1090/ub_1_ --maxsum=/tmp/1090/ub_2_ --maxsum=/tmp/1090/ub_3_ --maxsum=/tmp/1090/ub_4_ --maxsum=/tmp/1090/ub_5_ --maxsum=/tmp/1090/ub_6_ --maxsum=/tmp/1090/ub_7_ --maxsum=/tmp/1090/ub_8_
FORMULA JoinFreeModules-PT-0004-UpperBounds-01 6 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-02 4 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-04 5 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-06 5 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-07 6 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-09 4 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-10 4 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-12 4 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA JoinFreeModules-PT-0004-UpperBounds-14 6 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679453841340

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
ub formula name JoinFreeModules-PT-0004-UpperBounds-01
ub formula formula --maxsum=/tmp/1090/ub_0_
ub formula name JoinFreeModules-PT-0004-UpperBounds-02
ub formula formula --maxsum=/tmp/1090/ub_1_
ub formula name JoinFreeModules-PT-0004-UpperBounds-04
ub formula formula --maxsum=/tmp/1090/ub_2_
ub formula name JoinFreeModules-PT-0004-UpperBounds-06
ub formula formula --maxsum=/tmp/1090/ub_3_
ub formula name JoinFreeModules-PT-0004-UpperBounds-07
ub formula formula --maxsum=/tmp/1090/ub_4_
ub formula name JoinFreeModules-PT-0004-UpperBounds-09
ub formula formula --maxsum=/tmp/1090/ub_5_
ub formula name JoinFreeModules-PT-0004-UpperBounds-10
ub formula formula --maxsum=/tmp/1090/ub_6_
ub formula name JoinFreeModules-PT-0004-UpperBounds-12
ub formula formula --maxsum=/tmp/1090/ub_7_
ub formula name JoinFreeModules-PT-0004-UpperBounds-14
ub formula formula --maxsum=/tmp/1090/ub_8_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 20 places, 32 transitions and 84 arcs
pnml2lts-sym: Petri net JoinFreeModules_PT_0004 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 32->12 groups
pnml2lts-sym: Regrouping took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state vector length is 20; there are 12 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: Exploration took 269 group checks and 0 next state calls
pnml2lts-sym: reachability took 19.670 real 55.070 user 23.460 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 14776336 states, 264 nodes
pnml2lts-sym: Maximum sum of /tmp/1090/ub_0_ is: 6
pnml2lts-sym: Maximum sum of /tmp/1090/ub_1_ is: 4
pnml2lts-sym: Maximum sum of /tmp/1090/ub_2_ is: 5
pnml2lts-sym: Maximum sum of /tmp/1090/ub_3_ is: 5
pnml2lts-sym: Maximum sum of /tmp/1090/ub_4_ is: 6
pnml2lts-sym: Maximum sum of /tmp/1090/ub_5_ is: 4
pnml2lts-sym: Maximum sum of /tmp/1090/ub_6_ is: 4
pnml2lts-sym: Maximum sum of /tmp/1090/ub_7_ is: 4
pnml2lts-sym: Maximum sum of /tmp/1090/ub_8_ is: 6
pnml2lts-sym: group_next: 1040 nodes total
pnml2lts-sym: group_explored: 460 nodes, 448 short vectors total
pnml2lts-sym: max token count: 6

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="JoinFreeModules-PT-0004"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is JoinFreeModules-PT-0004, 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 r233-tall-167856418500149"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0004.tgz
mv JoinFreeModules-PT-0004 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 ;