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-167856418800349.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 LamportFastMutEx-COL-3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418800349
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 8.9K Feb 25 13:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Feb 25 13:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 13:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 13:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 13:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Feb 25 13:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 25 13:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K Feb 25 13:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 39K 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 LamportFastMutEx-COL-3-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-3-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679504792488

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=LamportFastMutEx-COL-3
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 17:06:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-22 17:06:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 17:06:34] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-22 17:06:34] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 17:06:34] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 462 ms
[2023-03-22 17:06:34] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
[2023-03-22 17:06:34] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 4 ms.
[2023-03-22 17:06:34] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
// Phase 1: matrix 17 rows 15 cols
[2023-03-22 17:06:34] [INFO ] Computed 2 place invariants in 5 ms
FORMULA LamportFastMutEx-COL-3-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-UpperBounds-03 3 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2023-03-22 17:06:34] [INFO ] Invariant cache hit.
[2023-03-22 17:06:34] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2023-03-22 17:06:34] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2023-03-22 17:06:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 17:06:35] [INFO ] Added : 11 causal constraints over 3 iterations in 25 ms. Result :sat
Minimization took 8 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:35] [INFO ] Added : 7 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-22 17:06:35] [INFO ] Added : 11 causal constraints over 3 iterations in 19 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 3 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 17:06:35] [INFO ] Added : 6 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 17:06:35] [INFO ] Added : 7 causal constraints over 2 iterations in 21 ms. Result :sat
Minimization took 3 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 8 ms.
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 3 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:35] [INFO ] Added : 6 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-22 17:06:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:35] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-22 17:06:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2023-03-22 17:06:35] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:35] [INFO ] Added : 5 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 3 ms.
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-22 17:06:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-22 17:06:36] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-22 17:06:36] [INFO ] Added : 11 causal constraints over 3 iterations in 10 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 9]
Domain [pid(4), pid(4)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-22 17:06:36] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 16 ms.
[2023-03-22 17:06:36] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 13) seen :37
FORMULA LamportFastMutEx-COL-3-UpperBounds-13 3 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-11 3 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-06 3 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-05 3 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 9) seen :21
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 9) seen :14
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :22
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 9) seen :24
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 9) seen :23
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 9) seen :17
FORMULA LamportFastMutEx-COL-3-UpperBounds-10 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 8) seen :20
[2023-03-22 17:06:36] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2023-03-22 17:06:36] [INFO ] Computed 17 place invariants in 8 ms
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-22 17:06:36] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-22 17:06:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 3 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 0 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 0 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 2 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 1 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 0 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 384 ms
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-22 17:06:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:36] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2023-03-22 17:06:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 0 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 0 ms to minimize.
[2023-03-22 17:06:36] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 7 trap constraints in 246 ms
[2023-03-22 17:06:37] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:37] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-03-22 17:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:37] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:37] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 291 ms
[2023-03-22 17:06:37] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:37] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-22 17:06:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:37] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:37] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-22 17:06:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2023-03-22 17:06:37] [INFO ] Computed and/alt/rep : 93/306/87 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 0 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 1 ms to minimize.
[2023-03-22 17:06:37] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 278 ms
[2023-03-22 17:06:38] [INFO ] Added : 49 causal constraints over 11 iterations in 381 ms. Result :sat
Minimization took 33 ms.
[2023-03-22 17:06:38] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:38] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-03-22 17:06:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:38] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:38] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 1 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 4 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 1 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 437 ms
[2023-03-22 17:06:38] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:38] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:38] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:38] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 1 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 0 ms to minimize.
[2023-03-22 17:06:38] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 6 trap constraints in 245 ms
[2023-03-22 17:06:38] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-22 17:06:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:39] [INFO ] [Nat]Absence check using 17 positive place invariants in 4 ms returned sat
[2023-03-22 17:06:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:39] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2023-03-22 17:06:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 9 trap constraints in 380 ms
[2023-03-22 17:06:39] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:39] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-03-22 17:06:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:39] [INFO ] [Nat]Absence check using 17 positive place invariants in 5 ms returned sat
[2023-03-22 17:06:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:39] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-22 17:06:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 11 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 0 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 1 ms to minimize.
[2023-03-22 17:06:39] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 367 ms
Current structural bounds on expressions (after SMT) : [6, 2, 2, 3, 2, 2, 2, 6] Max seen :[6, 2, 2, 1, 2, 2, 2, 6]
FORMULA LamportFastMutEx-COL-3-UpperBounds-15 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-12 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-08 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-02 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-UpperBounds-01 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 114/114 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 111
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 9 place count 68 transition count 108
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 12 place count 65 transition count 108
Applied a total of 12 rules in 23 ms. Remains 65 /71 variables (removed 6) and now considering 108/114 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 65/71 places, 108/114 transitions.
Normalized transition count is 90 out of 108 initially.
// Phase 1: matrix 90 rows 65 cols
[2023-03-22 17:06:40] [INFO ] Computed 17 place invariants in 4 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1219 ms. (steps per millisecond=820 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 457 ms. (steps per millisecond=2188 ) properties (out of 1) seen :1
[2023-03-22 17:06:41] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 65 cols
[2023-03-22 17:06:41] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-22 17:06:41] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:41] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:41] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:41] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-22 17:06:41] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-22 17:06:41] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2023-03-22 17:06:41] [INFO ] Computed and/alt/rep : 78/291/78 causal constraints (skipped 9 transitions) in 9 ms.
[2023-03-22 17:06:41] [INFO ] Added : 36 causal constraints over 8 iterations in 70 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : [3] Max seen :[1]
Support contains 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 65 /65 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 65/65 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 65 /65 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2023-03-22 17:06:42] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:42] [INFO ] Invariant cache hit.
[2023-03-22 17:06:42] [INFO ] Implicit Places using invariants in 62 ms returned [44, 45, 46]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 64 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 62/65 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 72 ms. Remains : 62/65 places, 108/108 transitions.
Normalized transition count is 90 out of 108 initially.
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:42] [INFO ] Computed 14 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1065 ms. (steps per millisecond=938 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 465 ms. (steps per millisecond=2150 ) properties (out of 1) seen :1
[2023-03-22 17:06:43] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:43] [INFO ] Computed 14 place invariants in 3 ms
[2023-03-22 17:06:43] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:43] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2023-03-22 17:06:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:43] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:43] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2023-03-22 17:06:43] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 17:06:43] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-22 17:06:43] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 6 ms.
[2023-03-22 17:06:43] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2023-03-22 17:06:43] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 4 ms to minimize.
[2023-03-22 17:06:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 135 ms
[2023-03-22 17:06:43] [INFO ] Added : 24 causal constraints over 6 iterations in 190 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : [3] Max seen :[1]
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 62/62 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 3 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2023-03-22 17:06:43] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:43] [INFO ] Invariant cache hit.
[2023-03-22 17:06:44] [INFO ] Implicit Places using invariants in 64 ms returned []
[2023-03-22 17:06:44] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:44] [INFO ] Invariant cache hit.
[2023-03-22 17:06:44] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 17:06:44] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2023-03-22 17:06:44] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-22 17:06:44] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:44] [INFO ] Invariant cache hit.
[2023-03-22 17:06:44] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 222 ms. Remains : 62/62 places, 108/108 transitions.
Starting property specific reduction for LamportFastMutEx-COL-3-UpperBounds-07
Normalized transition count is 90 out of 108 initially.
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:44] [INFO ] Computed 14 place invariants in 1 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :1
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 :1
[2023-03-22 17:06:44] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:44] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-22 17:06:44] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:44] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-03-22 17:06:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:44] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2023-03-22 17:06:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:44] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2023-03-22 17:06:44] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 17:06:44] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-22 17:06:44] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 9 ms.
[2023-03-22 17:06:44] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 0 ms to minimize.
[2023-03-22 17:06:44] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 0 ms to minimize.
[2023-03-22 17:06:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2023-03-22 17:06:44] [INFO ] Added : 24 causal constraints over 6 iterations in 164 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : [3] Max seen :[1]
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 3 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 62/62 places, 108/108 transitions.
Normalized transition count is 90 out of 108 initially.
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:44] [INFO ] Computed 14 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1041 ms. (steps per millisecond=960 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 441 ms. (steps per millisecond=2267 ) properties (out of 1) seen :1
[2023-03-22 17:06:46] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2023-03-22 17:06:46] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-22 17:06:46] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2023-03-22 17:06:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:46] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2023-03-22 17:06:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 17:06:46] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2023-03-22 17:06:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 17:06:46] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-22 17:06:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 17:06:46] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-22 17:06:46] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 6 ms.
[2023-03-22 17:06:46] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 0 ms to minimize.
[2023-03-22 17:06:46] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 1 ms to minimize.
[2023-03-22 17:06:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 97 ms
[2023-03-22 17:06:46] [INFO ] Added : 24 causal constraints over 6 iterations in 151 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : [3] Max seen :[1]
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 62/62 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 3 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2023-03-22 17:06:46] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:46] [INFO ] Invariant cache hit.
[2023-03-22 17:06:46] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-22 17:06:46] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:46] [INFO ] Invariant cache hit.
[2023-03-22 17:06:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 17:06:46] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
[2023-03-22 17:06:46] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-22 17:06:46] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2023-03-22 17:06:46] [INFO ] Invariant cache hit.
[2023-03-22 17:06:46] [INFO ] Dead Transitions using invariants and state equation in 54 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 62/62 places, 108/108 transitions.
Ending property specific reduction for LamportFastMutEx-COL-3-UpperBounds-07 in 2329 ms.
[2023-03-22 17:06:46] [INFO ] Flatten gal took : 36 ms
[2023-03-22 17:06:46] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-22 17:06:46] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 62 places, 108 transitions and 468 arcs took 1 ms.
Total runtime 12401 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/846/ub_0_
FORMULA LamportFastMutEx-COL-3-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679504808176

--------------------
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 LamportFastMutEx-COL-3-UpperBounds-07
ub formula formula --maxsum=/tmp/846/ub_0_
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 62 places, 108 transitions and 468 arcs
pnml2lts-sym: Petri net LamportFastMutEx_COL_3_unf 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: 108->87 groups
pnml2lts-sym: Regrouping took 0.010 real 0.020 user 0.000 sys
pnml2lts-sym: state vector length is 62; there are 87 groups
pnml2lts-sym: Computing maximum sum over 3 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 20648 group checks and 0 next state calls
pnml2lts-sym: reachability took 0.120 real 0.430 user 0.030 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 15512 states, 3234 nodes
pnml2lts-sym: Maximum sum of /tmp/846/ub_0_ is: 1
pnml2lts-sym: group_next: 747 nodes total
pnml2lts-sym: group_explored: 862 nodes, 702 short vectors total
pnml2lts-sym: max token count: 1

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="LamportFastMutEx-COL-3"
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 LamportFastMutEx-COL-3, 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-167856418800349"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-3.tgz
mv LamportFastMutEx-COL-3 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 ;