About the Execution of LTSMin+red for VehicularWifi-COL-none
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 13150.056 | 3600000.00 | 3743472.00 | 10826.10 | ? 10 ? inf ? ? 4 1 1 ? ? 1 4 4 ? 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r544-smll-171701111200293.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is VehicularWifi-COL-none, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r544-smll-171701111200293
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 8.7K Apr 11 23:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 11 23:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Apr 11 23:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 11 23:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 23:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Apr 11 23:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 11 23:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Apr 11 23:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 188K May 18 16:43 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 VehicularWifi-COL-none-UpperBounds-00
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-01
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-02
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-03
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-04
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-05
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-06
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-07
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-08
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-09
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-10
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-11
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-12
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-13
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-14
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717289389068
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=VehicularWifi-COL-none
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 00:49:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-02 00:49:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 00:49:51] [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.
[2024-06-02 00:49:51] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-02 00:49:52] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1522 ms
[2024-06-02 00:49:52] [INFO ] Detected 1 constant HL places corresponding to 81920 PT places.
[2024-06-02 00:49:52] [INFO ] Imported 21 HL places and 41 HL transitions for a total of 115566 PT places and 379924.0 transition bindings in 114 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
[2024-06-02 00:49:52] [INFO ] Built PT skeleton of HLPN with 21 places and 41 transitions 136 arcs in 6 ms.
[2024-06-02 00:49:52] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
Normalized transition count is 30 out of 31 initially.
// Phase 1: matrix 30 rows 20 cols
[2024-06-02 00:49:52] [INFO ] Computed 5 invariants in 12 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 2, 0, 0, 0, 8, 4, 0, 1, 0, 0, 0, 0, 0, 0, 1] Max Struct:[11, 11, 11, +inf, 11, 11, 4, 1, 1, 11, 11, 1, 4, 4, 11, 1]
FORMULA VehicularWifi-COL-none-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA VehicularWifi-COL-none-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA VehicularWifi-COL-none-UpperBounds-06 4 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-06-02 00:49:52] [INFO ] Flow matrix only has 30 transitions (discarded 1 similar events)
// Phase 1: matrix 30 rows 20 cols
[2024-06-02 00:49:52] [INFO ] Computed 5 invariants in 3 ms
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-06-02 00:49:53] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 00:49:53] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2024-06-02 00:49:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:53] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 9 ms.
[2024-06-02 00:49:53] [INFO ] Added : 13 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 20 ms.
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Added 10 Read/Feed constraints in 6 ms returned sat
[2024-06-02 00:49:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:53] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 9 ms.
[2024-06-02 00:49:53] [INFO ] Added : 18 causal constraints over 5 iterations in 52 ms. Result :sat
Minimization took 24 ms.
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Added 10 Read/Feed constraints in 10 ms returned sat
[2024-06-02 00:49:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 14 ms.
[2024-06-02 00:49:53] [INFO ] Added : 17 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 11 ms.
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:53] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 6 ms.
[2024-06-02 00:49:53] [INFO ] Added : 13 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 14 ms.
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-06-02 00:49:53] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 10 ms.
[2024-06-02 00:49:54] [INFO ] Added : 22 causal constraints over 8 iterations in 59 ms. Result :sat
Minimization took 18 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 3 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:54] [INFO ] Added : 18 causal constraints over 5 iterations in 35 ms. Result :sat
Minimization took 12 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:54] [INFO ] Added : 21 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 14 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:54] [INFO ] Added : 20 causal constraints over 6 iterations in 32 ms. Result :sat
Minimization took 22 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 8 ms.
[2024-06-02 00:49:54] [INFO ] Added : 14 causal constraints over 4 iterations in 31 ms. Result :sat
Minimization took 15 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:54] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 10 ms.
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 5 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-06-02 00:49:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-06-02 00:49:55] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:55] [INFO ] Added : 18 causal constraints over 5 iterations in 41 ms. Result :sat
Minimization took 14 ms.
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-06-02 00:49:55] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 3 ms.
[2024-06-02 00:49:55] [INFO ] Added : 19 causal constraints over 5 iterations in 38 ms. Result :sat
Minimization took 19 ms.
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-06-02 00:49:55] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-06-02 00:49:55] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2024-06-02 00:49:55] [INFO ] Added : 19 causal constraints over 4 iterations in 37 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0] Max Struct:[11, 11, 11, +inf, 11, 11, 1, 11, 11, 1, 4, 4, 11]
Arc [14:1*[$sa, $sb, $p, (MOD (ADD (MOD (MINUS $b 1) 1024) 1024) 1024)]] contains successor/predecessor on variables of sort BackoffStage
Arc [13:1*[$sa, $sb, $p, (MOD (ADD $tx 1) 20)]] contains successor/predecessor on variables of sort TxCount
Transition CorrectPacketButAck forces synchronizations/join behavior on parameter p2 of sort Pr
Arc [4:1*[$sa, $sb, $p, (MOD (ADD $pt 1) 4)]] contains successor/predecessor on variables of sort PT
Domain [St(2), St(2), Pr(4), PT(4)] of place Sense breaks symmetries in sort St
[2024-06-02 00:49:57] [INFO ] Unfolded HLPN to a Petri net with 115566 places and 83836 transitions 301810 arcs in 1660 ms.
[2024-06-02 00:49:57] [INFO ] Unfolded 13 HLPN properties in 4 ms.
Deduced a syphon composed of 98581 places in 409 ms
Reduce places removed 106837 places and 54136 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0] Max Struct:[11, 11, 11, +inf, 11, 11, 1, 11, 11, 1, 4, 4, 11]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0] Max Struct:[11, 11, 11, +inf, 11, 11, 1, 11, 11, 1, 4, 4, 11]
[2024-06-02 00:49:59] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
// Phase 1: matrix 17308 rows 8729 cols
[2024-06-02 00:50:00] [INFO ] Computed 8 invariants in 1244 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 2, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0] Max Struct:[11, 11, 11, +inf, 11, 11, 1, 11, 11, 1, 4, 4, 11]
RANDOM walk for 10000 steps (2 resets) in 2214 ms. (4 steps per ms)
FORMULA VehicularWifi-COL-none-UpperBounds-13 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-12 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (18 resets) in 4087 ms. (22 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 10, 8, 45, 8, 8, 8, 8, 5] Max Struct:[11, 11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 00:50:07] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
[2024-06-02 00:50:07] [INFO ] Invariant cache hit.
[2024-06-02 00:50:09] [INFO ] [Real]Absence check using 6 positive place invariants in 262 ms returned sat
[2024-06-02 00:50:09] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 133 ms returned sat
[2024-06-02 00:50:12] [INFO ] [Real]Absence check using state equation in 2951 ms returned unknown
[2024-06-02 00:50:14] [INFO ] [Real]Absence check using 6 positive place invariants in 263 ms returned sat
[2024-06-02 00:50:14] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 132 ms returned unsat
[2024-06-02 00:50:16] [INFO ] [Real]Absence check using 6 positive place invariants in 263 ms returned sat
[2024-06-02 00:50:16] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 123 ms returned sat
[2024-06-02 00:50:19] [INFO ] [Real]Absence check using state equation in 3064 ms returned unknown
[2024-06-02 00:50:20] [INFO ] [Real]Absence check using 6 positive place invariants in 228 ms returned sat
[2024-06-02 00:50:21] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 102 ms returned sat
[2024-06-02 00:50:24] [INFO ] [Real]Absence check using state equation in 3252 ms returned unknown
[2024-06-02 00:50:26] [INFO ] [Real]Absence check using 6 positive place invariants in 262 ms returned sat
[2024-06-02 00:50:26] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 105 ms returned sat
[2024-06-02 00:50:29] [INFO ] [Real]Absence check using state equation in 2981 ms returned sat
[2024-06-02 00:50:29] [INFO ] State equation strengthened by 8411 read => feed constraints.
[2024-06-02 00:50:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:860)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2249)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-06-02 00:50:31] [INFO ] [Real]Absence check using 6 positive place invariants in 254 ms returned sat
[2024-06-02 00:50:31] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 130 ms returned sat
[2024-06-02 00:50:34] [INFO ] [Real]Absence check using state equation in 3107 ms returned unknown
[2024-06-02 00:50:36] [INFO ] [Real]Absence check using 6 positive place invariants in 255 ms returned sat
[2024-06-02 00:50:36] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 138 ms returned sat
[2024-06-02 00:50:39] [INFO ] [Real]Absence check using state equation in 3120 ms returned unknown
[2024-06-02 00:50:41] [INFO ] [Real]Absence check using 6 positive place invariants in 254 ms returned sat
[2024-06-02 00:50:41] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 129 ms returned sat
[2024-06-02 00:50:44] [INFO ] [Real]Absence check using state equation in 3084 ms returned unknown
[2024-06-02 00:50:46] [INFO ] [Real]Absence check using 6 positive place invariants in 222 ms returned sat
[2024-06-02 00:50:46] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 108 ms returned sat
[2024-06-02 00:50:49] [INFO ] [Real]Absence check using state equation in 3210 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 10, 8, 45, 8, 8, 8, 8, 5] Max Struct:[11, 10, 11, +inf, 11, 11, 11, 11, 11]
FORMULA VehicularWifi-COL-none-UpperBounds-01 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 45, 8, 8, 8, 8, 5] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
Support contains 8537 out of 8729 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 24 Pre rules applied. Total rules applied 0 place count 8729 transition count 29676
Deduced a syphon composed of 24 places in 26 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 8705 transition count 29676
Free-agglomeration rule (complex) applied 24 times.
Iterating global reduction 0 with 24 rules applied. Total rules applied 72 place count 8705 transition count 29680
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 96 place count 8681 transition count 29680
Partial Free-agglomeration rule applied 21 times.
Drop transitions (Partial Free agglomeration) removed 21 transitions
Iterating global reduction 1 with 21 rules applied. Total rules applied 117 place count 8681 transition count 29680
Applied a total of 117 rules in 1626 ms. Remains 8681 /8729 variables (removed 48) and now considering 29680/29700 (removed 20) transitions.
Running 29671 sub problems to find dead transitions.
[2024-06-02 00:50:52] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
// Phase 1: matrix 17288 rows 8681 cols
[2024-06-02 00:50:53] [INFO ] Computed 8 invariants in 1053 ms
[2024-06-02 00:50:53] [INFO ] State equation strengthened by 8460 read => feed constraints.
SMT process timed out in 522719ms, After SMT, problems are : Problem set: 0 solved, 29671 unsolved
Search for dead transitions found 0 dead transitions in 523240ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 525080 ms. Remains : 8681/8729 places, 29680/29700 transitions.
[2024-06-02 00:59:34] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
Found an invariant !
This invariant on transitions {52=1, 205=1, 213=1, 8761=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {56=1, 209=1, 217=1, 10833=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2098 ms. (steps per millisecond=4 ) properties (out of 8) seen :[3, 8, 48, 8, 8, 4, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 8, 48, 8, 8, 8, 8, 5] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 00:59:50] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 00:59:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, 48, 8, 8, 8, 8, 5] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
RANDOM walk for 144927 steps (0 resets) in 30001 ms. (4 steps per ms)
BEST_FIRST walk for 2422263 steps (3 resets) in 39486 ms. (61 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 1416, 8, 8, 8, 8, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 01:01:00] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:01:00] [INFO ] Invariant cache hit.
[2024-06-02 01:01:02] [INFO ] [Real]Absence check using 6 positive place invariants in 261 ms returned sat
[2024-06-02 01:01:02] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:01:18] [INFO ] [Real]Absence check using state equation in 16461 ms returned sat
[2024-06-02 01:01:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:01:21] [INFO ] [Nat]Absence check using 6 positive place invariants in 276 ms returned sat
[2024-06-02 01:01:21] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 133 ms returned sat
[2024-06-02 01:01:38] [INFO ] [Nat]Absence check using state equation in 16959 ms returned sat
[2024-06-02 01:01:38] [INFO ] State equation strengthened by 8460 read => feed constraints.
[2024-06-02 01:01:44] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:01:48] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9937 ms returned unknown
[2024-06-02 01:01:50] [INFO ] [Real]Absence check using 6 positive place invariants in 292 ms returned sat
[2024-06-02 01:01:50] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 148 ms returned sat
[2024-06-02 01:02:06] [INFO ] [Real]Absence check using state equation in 15369 ms returned sat
[2024-06-02 01:02:06] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:02:08] [INFO ] [Nat]Absence check using 6 positive place invariants in 295 ms returned sat
[2024-06-02 01:02:08] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 150 ms returned sat
[2024-06-02 01:02:24] [INFO ] [Nat]Absence check using state equation in 16112 ms returned sat
[2024-06-02 01:02:30] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:02:34] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9972 ms returned unknown
[2024-06-02 01:02:36] [INFO ] [Real]Absence check using 6 positive place invariants in 268 ms returned sat
[2024-06-02 01:02:36] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 141 ms returned sat
[2024-06-02 01:02:47] [INFO ] [Real]Absence check using state equation in 10943 ms returned sat
[2024-06-02 01:02:53] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:02:58] [INFO ] [Real]Added 8460 Read/Feed constraints in 9971 ms returned unknown
[2024-06-02 01:03:00] [INFO ] [Real]Absence check using 6 positive place invariants in 249 ms returned sat
[2024-06-02 01:03:00] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 126 ms returned sat
[2024-06-02 01:03:12] [INFO ] [Real]Absence check using state equation in 12085 ms returned sat
[2024-06-02 01:03:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:03:14] [INFO ] [Nat]Absence check using 6 positive place invariants in 281 ms returned sat
[2024-06-02 01:03:14] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 143 ms returned sat
[2024-06-02 01:03:28] [INFO ] [Nat]Absence check using state equation in 13307 ms returned sat
[2024-06-02 01:03:33] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:03:38] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9921 ms returned unknown
[2024-06-02 01:03:40] [INFO ] [Real]Absence check using 6 positive place invariants in 285 ms returned sat
[2024-06-02 01:03:40] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 155 ms returned sat
[2024-06-02 01:04:00] [INFO ] [Real]Absence check using state equation in 20396 ms returned sat
[2024-06-02 01:04:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:04:03] [INFO ] [Nat]Absence check using 6 positive place invariants in 296 ms returned sat
[2024-06-02 01:04:03] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 150 ms returned sat
[2024-06-02 01:04:22] [INFO ] [Nat]Absence check using state equation in 19662 ms returned sat
[2024-06-02 01:04:28] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:04:32] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9938 ms returned unknown
[2024-06-02 01:04:34] [INFO ] [Real]Absence check using 6 positive place invariants in 280 ms returned sat
[2024-06-02 01:04:34] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 143 ms returned sat
[2024-06-02 01:04:50] [INFO ] [Real]Absence check using state equation in 15405 ms returned sat
[2024-06-02 01:04:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:05:02] [INFO ] [Real]Added 8460 Read/Feed constraints in 11586 ms returned unknown
[2024-06-02 01:05:04] [INFO ] [Real]Absence check using 6 positive place invariants in 274 ms returned sat
[2024-06-02 01:05:04] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 141 ms returned sat
[2024-06-02 01:05:21] [INFO ] [Real]Absence check using state equation in 17327 ms returned sat
[2024-06-02 01:05:28] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:05:32] [INFO ] [Real]Added 8460 Read/Feed constraints in 9915 ms returned unknown
[2024-06-02 01:05:34] [INFO ] [Real]Absence check using 6 positive place invariants in 280 ms returned sat
[2024-06-02 01:05:34] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:05:47] [INFO ] [Real]Absence check using state equation in 12905 ms returned sat
[2024-06-02 01:05:53] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:05:56] [INFO ] [Real]Added 8460 Read/Feed constraints in 8178 ms returned sat
[2024-06-02 01:05:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:05:58] [INFO ] [Nat]Absence check using 6 positive place invariants in 295 ms returned sat
[2024-06-02 01:05:58] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 149 ms returned sat
[2024-06-02 01:06:12] [INFO ] [Nat]Absence check using state equation in 14152 ms returned sat
[2024-06-02 01:06:18] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:06:22] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9956 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 1416, 8, 8, 8, 8, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 1416, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
Support contains 8537 out of 8681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 208 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208 ms. Remains : 8681/8681 places, 29680/29680 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 232 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
[2024-06-02 01:06:55] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:06:55] [INFO ] Invariant cache hit.
[2024-06-02 01:07:09] [INFO ] Implicit Places using invariants in 14584 ms returned []
Implicit Place search using SMT only with invariants took 14587 ms to find 0 implicit places.
Running 29671 sub problems to find dead transitions.
[2024-06-02 01:07:10] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:07:10] [INFO ] Invariant cache hit.
[2024-06-02 01:07:10] [INFO ] State equation strengthened by 8460 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8672 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29671 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8672/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29671 unsolved in 30711 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8681 constraints, ReadFeed: 0/8460 constraints, PredecessorRefiner: 29671/13255 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29671 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8672 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29671 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8672/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29671 unsolved in 30530 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8681 constraints, ReadFeed: 0/8460 constraints, PredecessorRefiner: 16416/13255 constraints, Known Traps: 0/0 constraints]
After SMT, in 556549ms problems are : Problem set: 0 solved, 29671 unsolved
Search for dead transitions found 0 dead transitions in 556928ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 571924 ms. Remains : 8681/8681 places, 29680/29680 transitions.
[2024-06-02 01:16:26] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
Found an invariant !
This invariant on transitions {52=1, 205=1, 213=1, 8761=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {56=1, 209=1, 217=1, 10833=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2020 ms. (steps per millisecond=4 ) properties (out of 8) seen :[2, 8, 47, 8, 8, 4, 4, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 8, 1416, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 01:16:42] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:16:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, 1416, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
RANDOM walk for 133235 steps (0 resets) in 30001 ms. (4 steps per ms)
BEST_FIRST walk for 2374750 steps (3 resets) in 40008 ms. (59 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 1587, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 01:17:52] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:17:52] [INFO ] Invariant cache hit.
[2024-06-02 01:17:54] [INFO ] [Real]Absence check using 6 positive place invariants in 287 ms returned sat
[2024-06-02 01:17:54] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 147 ms returned sat
[2024-06-02 01:18:10] [INFO ] [Real]Absence check using state equation in 16316 ms returned sat
[2024-06-02 01:18:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:18:13] [INFO ] [Nat]Absence check using 6 positive place invariants in 278 ms returned sat
[2024-06-02 01:18:13] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 135 ms returned sat
[2024-06-02 01:18:32] [INFO ] [Nat]Absence check using state equation in 19682 ms returned sat
[2024-06-02 01:18:33] [INFO ] State equation strengthened by 8460 read => feed constraints.
[2024-06-02 01:18:38] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:18:43] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9972 ms returned unknown
[2024-06-02 01:18:44] [INFO ] [Real]Absence check using 6 positive place invariants in 283 ms returned sat
[2024-06-02 01:18:45] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 142 ms returned sat
[2024-06-02 01:18:59] [INFO ] [Real]Absence check using state equation in 14114 ms returned sat
[2024-06-02 01:18:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:19:01] [INFO ] [Nat]Absence check using 6 positive place invariants in 273 ms returned sat
[2024-06-02 01:19:01] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 140 ms returned sat
[2024-06-02 01:19:15] [INFO ] [Nat]Absence check using state equation in 13682 ms returned sat
[2024-06-02 01:19:20] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:19:25] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9958 ms returned unknown
[2024-06-02 01:19:27] [INFO ] [Real]Absence check using 6 positive place invariants in 258 ms returned sat
[2024-06-02 01:19:27] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 120 ms returned sat
[2024-06-02 01:19:38] [INFO ] [Real]Absence check using state equation in 11524 ms returned sat
[2024-06-02 01:19:44] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:19:49] [INFO ] [Real]Added 8460 Read/Feed constraints in 9842 ms returned unknown
[2024-06-02 01:19:51] [INFO ] [Real]Absence check using 6 positive place invariants in 316 ms returned sat
[2024-06-02 01:19:51] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 154 ms returned sat
[2024-06-02 01:20:05] [INFO ] [Real]Absence check using state equation in 13732 ms returned sat
[2024-06-02 01:20:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:20:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 311 ms returned sat
[2024-06-02 01:20:07] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 151 ms returned sat
[2024-06-02 01:20:21] [INFO ] [Nat]Absence check using state equation in 13822 ms returned sat
[2024-06-02 01:20:27] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:20:31] [INFO ] [Nat]Added 8460 Read/Feed constraints in 10166 ms returned unknown
[2024-06-02 01:20:33] [INFO ] [Real]Absence check using 6 positive place invariants in 285 ms returned sat
[2024-06-02 01:20:33] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 155 ms returned sat
[2024-06-02 01:20:54] [INFO ] [Real]Absence check using state equation in 21027 ms returned sat
[2024-06-02 01:20:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:20:57] [INFO ] [Nat]Absence check using 6 positive place invariants in 292 ms returned sat
[2024-06-02 01:20:57] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 145 ms returned sat
[2024-06-02 01:21:20] [INFO ] [Nat]Absence check using state equation in 22601 ms returned sat
[2024-06-02 01:21:25] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:21:30] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9950 ms returned unknown
[2024-06-02 01:21:31] [INFO ] [Real]Absence check using 6 positive place invariants in 291 ms returned sat
[2024-06-02 01:21:32] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 148 ms returned sat
[2024-06-02 01:21:49] [INFO ] [Real]Absence check using state equation in 17946 ms returned sat
[2024-06-02 01:21:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:22:00] [INFO ] [Real]Added 8460 Read/Feed constraints in 9846 ms returned unknown
[2024-06-02 01:22:02] [INFO ] [Real]Absence check using 6 positive place invariants in 301 ms returned sat
[2024-06-02 01:22:02] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:22:19] [INFO ] [Real]Absence check using state equation in 17309 ms returned sat
[2024-06-02 01:22:26] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:22:30] [INFO ] [Real]Added 8460 Read/Feed constraints in 9975 ms returned unknown
[2024-06-02 01:22:32] [INFO ] [Real]Absence check using 6 positive place invariants in 268 ms returned sat
[2024-06-02 01:22:32] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 132 ms returned sat
[2024-06-02 01:22:47] [INFO ] [Real]Absence check using state equation in 14739 ms returned sat
[2024-06-02 01:22:53] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:22:56] [INFO ] [Real]Added 8460 Read/Feed constraints in 9033 ms returned sat
[2024-06-02 01:22:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:22:59] [INFO ] [Nat]Absence check using 6 positive place invariants in 264 ms returned sat
[2024-06-02 01:22:59] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 127 ms returned sat
[2024-06-02 01:23:14] [INFO ] [Nat]Absence check using state equation in 15076 ms returned sat
[2024-06-02 01:23:19] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:23:24] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9941 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 1587, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 1587, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
Support contains 8537 out of 8681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 251 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 252 ms. Remains : 8681/8681 places, 29680/29680 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 250 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
[2024-06-02 01:23:56] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:23:56] [INFO ] Invariant cache hit.
[2024-06-02 01:24:13] [INFO ] Implicit Places using invariants in 16843 ms returned []
Implicit Place search using SMT only with invariants took 16845 ms to find 0 implicit places.
Running 29671 sub problems to find dead transitions.
[2024-06-02 01:24:13] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:24:13] [INFO ] Invariant cache hit.
[2024-06-02 01:24:14] [INFO ] State equation strengthened by 8460 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8672 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29671 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8672/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29671 unsolved in 30720 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8681 constraints, ReadFeed: 0/8460 constraints, PredecessorRefiner: 29671/13255 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29671 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8672 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29671 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8672/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29671 unsolved in 30526 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8681 constraints, ReadFeed: 0/8460 constraints, PredecessorRefiner: 16416/13255 constraints, Known Traps: 0/0 constraints]
After SMT, in 546940ms problems are : Problem set: 0 solved, 29671 unsolved
Search for dead transitions found 0 dead transitions in 547287ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 564435 ms. Remains : 8681/8681 places, 29680/29680 transitions.
[2024-06-02 01:33:20] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
Found an invariant !
This invariant on transitions {52=1, 205=1, 213=1, 8761=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {56=1, 209=1, 217=1, 10833=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2136 ms. (steps per millisecond=4 ) properties (out of 8) seen :[3, 8, 2147483647, 8, 8, 4, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 8, +inf, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
[2024-06-02 01:33:36] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:33:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, +inf, 8, 8, 8, 9, 7] Max Struct:[11, 11, +inf, 11, 11, 11, 11, 11]
RANDOM walk for 139182 steps (0 resets) in 30001 ms. (4 steps per ms)
FORMULA VehicularWifi-COL-none-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 2197088 steps (3 resets) in 34443 ms. (63 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
[2024-06-02 01:34:41] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:34:41] [INFO ] Invariant cache hit.
[2024-06-02 01:34:42] [INFO ] [Real]Absence check using 6 positive place invariants in 260 ms returned sat
[2024-06-02 01:34:43] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 130 ms returned sat
[2024-06-02 01:35:02] [INFO ] [Real]Absence check using state equation in 18920 ms returned sat
[2024-06-02 01:35:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:35:04] [INFO ] [Nat]Absence check using 6 positive place invariants in 332 ms returned sat
[2024-06-02 01:35:04] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:35:24] [INFO ] [Nat]Absence check using state equation in 19827 ms returned sat
[2024-06-02 01:35:24] [INFO ] State equation strengthened by 8460 read => feed constraints.
[2024-06-02 01:35:30] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:35:34] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9978 ms returned unknown
[2024-06-02 01:35:36] [INFO ] [Real]Absence check using 6 positive place invariants in 297 ms returned sat
[2024-06-02 01:35:36] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 153 ms returned sat
[2024-06-02 01:35:52] [INFO ] [Real]Absence check using state equation in 15934 ms returned sat
[2024-06-02 01:35:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:35:55] [INFO ] [Nat]Absence check using 6 positive place invariants in 282 ms returned sat
[2024-06-02 01:35:55] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 139 ms returned sat
[2024-06-02 01:36:10] [INFO ] [Nat]Absence check using state equation in 15621 ms returned sat
[2024-06-02 01:36:16] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:36:20] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9938 ms returned unknown
[2024-06-02 01:36:22] [INFO ] [Real]Absence check using 6 positive place invariants in 303 ms returned sat
[2024-06-02 01:36:22] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 148 ms returned sat
[2024-06-02 01:36:37] [INFO ] [Real]Absence check using state equation in 14090 ms returned sat
[2024-06-02 01:36:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:36:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 298 ms returned sat
[2024-06-02 01:36:39] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 144 ms returned sat
[2024-06-02 01:36:54] [INFO ] [Nat]Absence check using state equation in 14345 ms returned sat
[2024-06-02 01:36:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:37:05] [INFO ] [Nat]Added 8460 Read/Feed constraints in 10847 ms returned unknown
[2024-06-02 01:37:06] [INFO ] [Real]Absence check using 6 positive place invariants in 299 ms returned sat
[2024-06-02 01:37:07] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 151 ms returned sat
[2024-06-02 01:37:29] [INFO ] [Real]Absence check using state equation in 22538 ms returned sat
[2024-06-02 01:37:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:37:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 290 ms returned sat
[2024-06-02 01:37:32] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 141 ms returned sat
[2024-06-02 01:37:53] [INFO ] [Nat]Absence check using state equation in 21823 ms returned sat
[2024-06-02 01:37:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:38:03] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9977 ms returned unknown
[2024-06-02 01:38:05] [INFO ] [Real]Absence check using 6 positive place invariants in 277 ms returned sat
[2024-06-02 01:38:05] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 138 ms returned sat
[2024-06-02 01:38:20] [INFO ] [Real]Absence check using state equation in 14443 ms returned sat
[2024-06-02 01:38:26] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:38:31] [INFO ] [Real]Added 8460 Read/Feed constraints in 10666 ms returned unknown
[2024-06-02 01:38:33] [INFO ] [Real]Absence check using 6 positive place invariants in 274 ms returned sat
[2024-06-02 01:38:33] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 141 ms returned sat
[2024-06-02 01:38:49] [INFO ] [Real]Absence check using state equation in 15652 ms returned sat
[2024-06-02 01:38:55] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:38:59] [INFO ] [Real]Added 8460 Read/Feed constraints in 9942 ms returned unknown
[2024-06-02 01:39:01] [INFO ] [Real]Absence check using 6 positive place invariants in 276 ms returned sat
[2024-06-02 01:39:01] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 144 ms returned sat
[2024-06-02 01:39:15] [INFO ] [Real]Absence check using state equation in 13613 ms returned sat
[2024-06-02 01:39:21] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:39:24] [INFO ] [Real]Added 8460 Read/Feed constraints in 8160 ms returned sat
[2024-06-02 01:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:39:26] [INFO ] [Nat]Absence check using 6 positive place invariants in 263 ms returned sat
[2024-06-02 01:39:26] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 128 ms returned sat
[2024-06-02 01:39:42] [INFO ] [Nat]Absence check using state equation in 15682 ms returned sat
[2024-06-02 01:39:48] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:39:52] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9963 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
Support contains 8377 out of 8681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 188 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 8681/8681 places, 29680/29680 transitions.
[2024-06-02 01:39:54] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:39:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
RANDOM walk for 140720 steps (0 resets) in 30001 ms. (4 steps per ms)
BEST_FIRST walk for 2167524 steps (2 resets) in 34779 ms. (62 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
[2024-06-02 01:40:59] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:40:59] [INFO ] Invariant cache hit.
[2024-06-02 01:41:00] [INFO ] [Real]Absence check using 6 positive place invariants in 270 ms returned sat
[2024-06-02 01:41:00] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:41:17] [INFO ] [Real]Absence check using state equation in 16706 ms returned sat
[2024-06-02 01:41:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:41:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 255 ms returned sat
[2024-06-02 01:41:19] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 139 ms returned sat
[2024-06-02 01:41:37] [INFO ] [Nat]Absence check using state equation in 17311 ms returned sat
[2024-06-02 01:41:37] [INFO ] State equation strengthened by 8460 read => feed constraints.
[2024-06-02 01:41:42] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:41:47] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9995 ms returned unknown
[2024-06-02 01:41:49] [INFO ] [Real]Absence check using 6 positive place invariants in 309 ms returned sat
[2024-06-02 01:41:49] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 154 ms returned sat
[2024-06-02 01:42:06] [INFO ] [Real]Absence check using state equation in 17380 ms returned sat
[2024-06-02 01:42:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:42:09] [INFO ] [Nat]Absence check using 6 positive place invariants in 268 ms returned sat
[2024-06-02 01:42:09] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 134 ms returned sat
[2024-06-02 01:42:24] [INFO ] [Nat]Absence check using state equation in 14939 ms returned sat
[2024-06-02 01:42:29] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:42:34] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9952 ms returned unknown
[2024-06-02 01:42:36] [INFO ] [Real]Absence check using 6 positive place invariants in 301 ms returned sat
[2024-06-02 01:42:36] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 149 ms returned sat
[2024-06-02 01:42:48] [INFO ] [Real]Absence check using state equation in 12414 ms returned sat
[2024-06-02 01:42:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:42:50] [INFO ] [Nat]Absence check using 6 positive place invariants in 291 ms returned sat
[2024-06-02 01:42:51] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 143 ms returned sat
[2024-06-02 01:43:04] [INFO ] [Nat]Absence check using state equation in 13548 ms returned sat
[2024-06-02 01:43:10] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:43:14] [INFO ] [Nat]Added 8460 Read/Feed constraints in 10086 ms returned unknown
[2024-06-02 01:43:16] [INFO ] [Real]Absence check using 6 positive place invariants in 282 ms returned sat
[2024-06-02 01:43:16] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 145 ms returned sat
[2024-06-02 01:43:36] [INFO ] [Real]Absence check using state equation in 20209 ms returned sat
[2024-06-02 01:43:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:43:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 286 ms returned sat
[2024-06-02 01:43:39] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 140 ms returned sat
[2024-06-02 01:43:59] [INFO ] [Nat]Absence check using state equation in 20256 ms returned sat
[2024-06-02 01:44:04] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:44:09] [INFO ] [Nat]Added 8460 Read/Feed constraints in 9921 ms returned unknown
[2024-06-02 01:44:11] [INFO ] [Real]Absence check using 6 positive place invariants in 274 ms returned sat
[2024-06-02 01:44:11] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 136 ms returned sat
[2024-06-02 01:44:25] [INFO ] [Real]Absence check using state equation in 14656 ms returned sat
[2024-06-02 01:44:32] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:44:38] [INFO ] [Real]Added 8460 Read/Feed constraints in 12046 ms returned unknown
[2024-06-02 01:44:40] [INFO ] [Real]Absence check using 6 positive place invariants in 285 ms returned sat
[2024-06-02 01:44:40] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 146 ms returned sat
[2024-06-02 01:44:59] [INFO ] [Real]Absence check using state equation in 18927 ms returned sat
[2024-06-02 01:45:05] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:45:10] [INFO ] [Real]Added 8460 Read/Feed constraints in 9932 ms returned unknown
[2024-06-02 01:45:12] [INFO ] [Real]Absence check using 6 positive place invariants in 277 ms returned sat
[2024-06-02 01:45:12] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 136 ms returned sat
[2024-06-02 01:45:24] [INFO ] [Real]Absence check using state equation in 12451 ms returned sat
[2024-06-02 01:45:30] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-02 01:45:35] [INFO ] [Real]Added 8460 Read/Feed constraints in 9969 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 8, 8, 8, 9, 7] Max Struct:[11, 11, 11, 11, 11, 11, 11]
Support contains 8377 out of 8681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 178 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 8681/8681 places, 29680/29680 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8681/8681 places, 29680/29680 transitions.
Applied a total of 0 rules in 181 ms. Remains 8681 /8681 variables (removed 0) and now considering 29680/29680 (removed 0) transitions.
[2024-06-02 01:45:38] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:45:38] [INFO ] Invariant cache hit.
[2024-06-02 01:45:56] [INFO ] Implicit Places using invariants in 18440 ms returned []
Implicit Place search using SMT only with invariants took 18441 ms to find 0 implicit places.
Running 29671 sub problems to find dead transitions.
[2024-06-02 01:45:57] [INFO ] Flow matrix only has 17288 transitions (discarded 12392 similar events)
[2024-06-02 01:45:57] [INFO ] Invariant cache hit.
[2024-06-02 01:45:57] [INFO ] State equation strengthened by 8460 read => feed constraints.
BK_TIME_CONFINEMENT_REACHED
--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
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="VehicularWifi-COL-none"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is VehicularWifi-COL-none, 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 r544-smll-171701111200293"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/VehicularWifi-COL-none.tgz
mv VehicularWifi-COL-none 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 '
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 ;