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.r137-smll-167819417100015.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 Dekker-PT-015, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-smll-167819417100015
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.8K Feb 26 01:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 01:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 01:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 01:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 26 01:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Feb 26 01:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 01:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 01:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 141K 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-00
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-01
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-02
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-03
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-04
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-05
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-06
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-07
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-08
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-09
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-10
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-11
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-12
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-13
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-14
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678518147798

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-015
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-11 07:02:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-11 07:02:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 07:02:30] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2023-03-11 07:02:30] [INFO ] Transformed 75 places.
[2023-03-11 07:02:30] [INFO ] Transformed 255 transitions.
[2023-03-11 07:02:30] [INFO ] Found NUPN structural information;
[2023-03-11 07:02:30] [INFO ] Parsed PT model containing 75 places and 255 transitions and 1830 arcs in 231 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Dekker-PT-015-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 528 ms. (steps per millisecond=18 ) properties (out of 11) seen :7
FORMULA Dekker-PT-015-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-11 07:02:31] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
// Phase 1: matrix 60 rows 75 cols
[2023-03-11 07:02:31] [INFO ] Computed 45 place invariants in 10 ms
[2023-03-11 07:02:31] [INFO ] After 271ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-11 07:02:31] [INFO ] [Nat]Absence check using 30 positive place invariants in 27 ms returned sat
[2023-03-11 07:02:31] [INFO ] [Nat]Absence check using 30 positive and 15 generalized place invariants in 8 ms returned sat
[2023-03-11 07:02:32] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-11 07:02:32] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-11 07:02:32] [INFO ] After 27ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-11 07:02:32] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 8 ms to minimize.
[2023-03-11 07:02:32] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 1 ms to minimize.
[2023-03-11 07:02:32] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 1 ms to minimize.
[2023-03-11 07:02:32] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 2 ms to minimize.
[2023-03-11 07:02:32] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 192 ms
[2023-03-11 07:02:32] [INFO ] After 253ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 21 ms.
[2023-03-11 07:02:32] [INFO ] After 501ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
FORMULA Dekker-PT-015-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Dekker-PT-015-ReachabilityFireability-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 14 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 40 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 75/75 places, 255/255 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 1193504 steps, run timeout after 3001 ms. (steps per millisecond=397 ) properties seen :{0=1}
Probabilistic random walk after 1193504 steps, saw 98220 distinct states, run finished after 3004 ms. (steps per millisecond=397 ) properties seen :1
FORMULA Dekker-PT-015-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 1 properties.
[2023-03-11 07:02:35] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:35] [INFO ] Invariant cache hit.
[2023-03-11 07:02:35] [INFO ] [Real]Absence check using 30 positive place invariants in 11 ms returned sat
[2023-03-11 07:02:35] [INFO ] [Real]Absence check using 30 positive and 15 generalized place invariants in 6 ms returned sat
[2023-03-11 07:02:35] [INFO ] After 134ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 07:02:35] [INFO ] [Nat]Absence check using 30 positive place invariants in 12 ms returned sat
[2023-03-11 07:02:35] [INFO ] [Nat]Absence check using 30 positive and 15 generalized place invariants in 8 ms returned sat
[2023-03-11 07:02:35] [INFO ] After 48ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:35] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-11 07:02:35] [INFO ] After 14ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:35] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 1 ms to minimize.
[2023-03-11 07:02:35] [INFO ] Deduced a trap composed of 6 places in 47 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 6 places in 43 ms of which 0 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 0 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 0 ms to minimize.
[2023-03-11 07:02:36] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 562 ms
[2023-03-11 07:02:36] [INFO ] After 587ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-11 07:02:36] [INFO ] After 746ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 20 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 75/75 places, 255/255 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1712448 steps, run timeout after 3001 ms. (steps per millisecond=570 ) properties seen :{}
Probabilistic random walk after 1712448 steps, saw 122887 distinct states, run finished after 3002 ms. (steps per millisecond=570 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 07:02:39] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:39] [INFO ] Invariant cache hit.
[2023-03-11 07:02:39] [INFO ] [Real]Absence check using 30 positive place invariants in 9 ms returned sat
[2023-03-11 07:02:39] [INFO ] [Real]Absence check using 30 positive and 15 generalized place invariants in 5 ms returned sat
[2023-03-11 07:02:39] [INFO ] After 102ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 07:02:39] [INFO ] [Nat]Absence check using 30 positive place invariants in 9 ms returned sat
[2023-03-11 07:02:39] [INFO ] [Nat]Absence check using 30 positive and 15 generalized place invariants in 5 ms returned sat
[2023-03-11 07:02:39] [INFO ] After 42ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:39] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-11 07:02:39] [INFO ] After 12ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:39] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 1 ms to minimize.
[2023-03-11 07:02:39] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 1 ms to minimize.
[2023-03-11 07:02:39] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 1 ms to minimize.
[2023-03-11 07:02:39] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 0 ms to minimize.
[2023-03-11 07:02:39] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 0 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 1 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 0 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 0 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 1 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 0 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 0 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 1 ms to minimize.
[2023-03-11 07:02:40] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 468 ms
[2023-03-11 07:02:40] [INFO ] After 490ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-11 07:02:40] [INFO ] After 600ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 20 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 75/75 places, 255/255 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 15 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2023-03-11 07:02:40] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:40] [INFO ] Invariant cache hit.
[2023-03-11 07:02:40] [INFO ] Implicit Places using invariants in 197 ms returned [30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 200 ms to find 15 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 60/75 places, 255/255 transitions.
Applied a total of 0 rules in 13 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 229 ms. Remains : 60/75 places, 255/255 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1861136 steps, run timeout after 3001 ms. (steps per millisecond=620 ) properties seen :{}
Probabilistic random walk after 1861136 steps, saw 131054 distinct states, run finished after 3001 ms. (steps per millisecond=620 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 07:02:43] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
// Phase 1: matrix 60 rows 60 cols
[2023-03-11 07:02:43] [INFO ] Computed 30 place invariants in 2 ms
[2023-03-11 07:02:43] [INFO ] [Real]Absence check using 30 positive place invariants in 8 ms returned sat
[2023-03-11 07:02:43] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 07:02:43] [INFO ] [Nat]Absence check using 30 positive place invariants in 10 ms returned sat
[2023-03-11 07:02:43] [INFO ] After 30ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:43] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-11 07:02:43] [INFO ] After 10ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 1 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 0 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 0 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 0 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 1 ms to minimize.
[2023-03-11 07:02:43] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
[2023-03-11 07:02:44] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 0 ms to minimize.
[2023-03-11 07:02:44] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 0 ms to minimize.
[2023-03-11 07:02:44] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 0 ms to minimize.
[2023-03-11 07:02:44] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 328 ms
[2023-03-11 07:02:44] [INFO ] After 346ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-11 07:02:44] [INFO ] After 437ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 255/255 transitions.
Applied a total of 0 rules in 11 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 60/60 places, 255/255 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 255/255 transitions.
Applied a total of 0 rules in 12 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2023-03-11 07:02:44] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:44] [INFO ] Invariant cache hit.
[2023-03-11 07:02:44] [INFO ] Implicit Places using invariants in 117 ms returned []
[2023-03-11 07:02:44] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:44] [INFO ] Invariant cache hit.
[2023-03-11 07:02:44] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-11 07:02:44] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
[2023-03-11 07:02:44] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-11 07:02:44] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-11 07:02:44] [INFO ] Invariant cache hit.
[2023-03-11 07:02:44] [INFO ] Dead Transitions using invariants and state equation in 231 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 534 ms. Remains : 60/60 places, 255/255 transitions.
Graph (complete) has 90 edges and 60 vertex of which 8 are kept as prefixes of interest. Removing 52 places using SCC suffix rule.2 ms
Discarding 52 places :
Also discarding 221 output transitions
Drop transitions removed 221 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 27 place count 8 transition count 8
Applied a total of 27 rules in 5 ms. Remains 8 /60 variables (removed 52) and now considering 8/255 (removed 247) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 8 rows 8 cols
[2023-03-11 07:02:44] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-11 07:02:44] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-11 07:02:44] [INFO ] After 6ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-11 07:02:44] [INFO ] After 10ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-11 07:02:44] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
[2023-03-11 07:02:44] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 4 ms.
[2023-03-11 07:02:44] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 60 places, 255 transitions and 1590 arcs took 4 ms.
[2023-03-11 07:02:45] [INFO ] Flatten gal took : 88 ms
Total runtime 14638 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 --inv-bin-par --invariant=/tmp/624/inv_0_ --inv-par
FORMULA Dekker-PT-015-ReachabilityFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678518273761

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
rfs formula name Dekker-PT-015-ReachabilityFireability-06
rfs formula type EF
rfs formula formula --invariant=/tmp/624/inv_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 60 places, 255 transitions and 1590 arcs
pnml2lts-sym: Petri net Dekker_PT_015 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: 255->240 groups
pnml2lts-sym: Regrouping took 0.060 real 0.050 user 0.000 sys
pnml2lts-sym: state vector length is 60; there are 240 groups
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:
pnml2lts-sym: Invariant violation (/tmp/624/inv_0_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: all invariants violated
pnml2lts-sym: exiting now
pnml2lts-sym: invariant detection took 106.390 real 423.840 user 0.260 sys
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="Dekker-PT-015"
export BK_EXAMINATION="ReachabilityFireability"
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 Dekker-PT-015, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r137-smll-167819417100015"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-015.tgz
mv Dekker-PT-015 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;