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.r119-tall-167814497300132.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 DBSingleClientW-PT-d0m08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497300132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 15:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Feb 26 15:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 26 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 119K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679412961967

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d0m08
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:36:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:36:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:36:03] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2023-03-21 15:36:03] [INFO ] Transformed 553 places.
[2023-03-21 15:36:03] [INFO ] Transformed 150 transitions.
[2023-03-21 15:36:03] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 115 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 553/553 places, 150/150 transitions.
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 462 rules applied. Total rules applied 462 place count 102 transition count 139
Applied a total of 462 rules in 12 ms. Remains 102 /553 variables (removed 451) and now considering 139/150 (removed 11) transitions.
// Phase 1: matrix 139 rows 102 cols
[2023-03-21 15:36:03] [INFO ] Computed 2 place invariants in 16 ms
[2023-03-21 15:36:03] [INFO ] Implicit Places using invariants in 271 ms returned []
[2023-03-21 15:36:03] [INFO ] Invariant cache hit.
[2023-03-21 15:36:04] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:04] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
[2023-03-21 15:36:04] [INFO ] Invariant cache hit.
[2023-03-21 15:36:04] [INFO ] Dead Transitions using invariants and state equation in 90 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 102/553 places, 139/150 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 619 ms. Remains : 102/553 places, 139/150 transitions.
Discarding 48 transitions out of 139. Remains 91
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2262 resets, run finished after 486 ms. (steps per millisecond=20 ) properties (out of 90) seen :29
Incomplete Best-First random walk after 1001 steps, including 58 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 1000 steps, including 46 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 61) seen :4
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 59 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 38 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 56 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :1
Incomplete Best-First random walk after 1000 steps, including 46 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :3
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :1
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 56 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 50) seen :6
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 97 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 85 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 1000 steps, including 110 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 96 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 104 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 103 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 97 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 98 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 80 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 43) seen :2
Incomplete Best-First random walk after 1001 steps, including 91 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 99 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 88 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 109 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 117 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 101 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 97 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 110 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 109 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 113 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 41) seen :0
Running SMT prover for 41 properties.
[2023-03-21 15:36:05] [INFO ] Invariant cache hit.
[2023-03-21 15:36:05] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-21 15:36:05] [INFO ] After 753ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:41
[2023-03-21 15:36:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:06] [INFO ] After 454ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :41
[2023-03-21 15:36:06] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:07] [INFO ] After 599ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :41
[2023-03-21 15:36:07] [INFO ] After 1359ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :41
Attempting to minimize the solution found.
Minimization took 493 ms.
[2023-03-21 15:36:08] [INFO ] After 2514ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :41
Parikh walk visited 0 properties in 496 ms.
Support contains 49 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 93 transition count 124
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 93 transition count 124
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 91 transition count 122
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 91 transition count 122
Applied a total of 22 rules in 19 ms. Remains 91 /102 variables (removed 11) and now considering 122/139 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 91/102 places, 122/139 transitions.
Incomplete random walk after 1000000 steps, including 228922 resets, run finished after 21230 ms. (steps per millisecond=47 ) properties (out of 41) seen :21
Incomplete Best-First random walk after 100000 steps, including 5030 resets, run finished after 737 ms. (steps per millisecond=135 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 5120 resets, run finished after 804 ms. (steps per millisecond=124 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4988 resets, run finished after 839 ms. (steps per millisecond=119 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4960 resets, run finished after 701 ms. (steps per millisecond=142 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4937 resets, run finished after 692 ms. (steps per millisecond=144 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4937 resets, run finished after 724 ms. (steps per millisecond=138 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4812 resets, run finished after 784 ms. (steps per millisecond=127 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 5027 resets, run finished after 734 ms. (steps per millisecond=136 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1374 ms. (steps per millisecond=72 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1347 ms. (steps per millisecond=74 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10235 resets, run finished after 995 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10043 resets, run finished after 1038 ms. (steps per millisecond=96 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10008 resets, run finished after 1012 ms. (steps per millisecond=98 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10135 resets, run finished after 1019 ms. (steps per millisecond=98 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10150 resets, run finished after 1010 ms. (steps per millisecond=99 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10089 resets, run finished after 1016 ms. (steps per millisecond=98 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10055 resets, run finished after 1030 ms. (steps per millisecond=97 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10107 resets, run finished after 1007 ms. (steps per millisecond=99 ) properties (out of 20) seen :2
Incomplete Best-First random walk after 100000 steps, including 9973 resets, run finished after 948 ms. (steps per millisecond=105 ) properties (out of 18) seen :1
Running SMT prover for 17 properties.
// Phase 1: matrix 122 rows 91 cols
[2023-03-21 15:36:47] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-21 15:36:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:48] [INFO ] After 264ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2023-03-21 15:36:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:36:48] [INFO ] After 147ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2023-03-21 15:36:48] [INFO ] State equation strengthened by 52 read => feed constraints.
[2023-03-21 15:36:48] [INFO ] After 152ms SMT Verify possible using 52 Read/Feed constraints in natural domain returned unsat :0 sat :17
[2023-03-21 15:36:48] [INFO ] After 370ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
Attempting to minimize the solution found.
Minimization took 164 ms.
[2023-03-21 15:36:49] [INFO ] After 766ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
Parikh walk visited 4 properties in 1088 ms.
Support contains 17 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 122/122 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 82 transition count 105
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 82 transition count 105
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 27 place count 73 transition count 96
Iterating global reduction 0 with 9 rules applied. Total rules applied 36 place count 73 transition count 96
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 39 place count 70 transition count 90
Iterating global reduction 0 with 3 rules applied. Total rules applied 42 place count 70 transition count 90
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 70 transition count 89
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 45 place count 68 transition count 86
Iterating global reduction 1 with 2 rules applied. Total rules applied 47 place count 68 transition count 86
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 49 place count 66 transition count 84
Iterating global reduction 1 with 2 rules applied. Total rules applied 51 place count 66 transition count 84
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 53 place count 66 transition count 82
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 65 transition count 81
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 65 transition count 81
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 57 place count 65 transition count 79
Applied a total of 57 rules in 22 ms. Remains 65 /91 variables (removed 26) and now considering 79/122 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 65/91 places, 79/122 transitions.
Incomplete random walk after 1000000 steps, including 228828 resets, run finished after 18799 ms. (steps per millisecond=53 ) properties (out of 13) seen :1
Interrupted Best-First random walk after 818839 steps, including 41339 resets, run timeout after 5001 ms. (steps per millisecond=163 ) properties seen 0
Interrupted Best-First random walk after 809767 steps, including 40978 resets, run timeout after 5001 ms. (steps per millisecond=161 ) properties seen 0
Interrupted Best-First random walk after 863884 steps, including 43561 resets, run timeout after 5001 ms. (steps per millisecond=172 ) properties seen 4
Interrupted Best-First random walk after 597129 steps, including 119425 resets, run timeout after 5001 ms. (steps per millisecond=119 ) properties seen 0
Interrupted Best-First random walk after 761929 steps, including 77512 resets, run timeout after 5001 ms. (steps per millisecond=152 ) properties seen 0
Interrupted Best-First random walk after 770946 steps, including 78463 resets, run timeout after 5001 ms. (steps per millisecond=154 ) properties seen 0
Interrupted Best-First random walk after 767205 steps, including 78180 resets, run timeout after 5001 ms. (steps per millisecond=153 ) properties seen 0
Interrupted Best-First random walk after 776126 steps, including 78909 resets, run timeout after 5001 ms. (steps per millisecond=155 ) properties seen 0
Interrupted Best-First random walk after 786858 steps, including 80027 resets, run timeout after 5001 ms. (steps per millisecond=157 ) properties seen 0
Running SMT prover for 8 properties.
// Phase 1: matrix 79 rows 65 cols
[2023-03-21 15:37:53] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-21 15:37:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-21 15:37:54] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-21 15:37:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:37:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:37:54] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-21 15:37:54] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-21 15:37:54] [INFO ] After 42ms SMT Verify possible using 30 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-21 15:37:54] [INFO ] After 101ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 46 ms.
[2023-03-21 15:37:54] [INFO ] After 243ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 885 ms.
Support contains 13 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 79/79 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 64 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 64 transition count 76
Applied a total of 2 rules in 6 ms. Remains 64 /65 variables (removed 1) and now considering 76/79 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 64/65 places, 76/79 transitions.
Incomplete random walk after 1000000 steps, including 229173 resets, run finished after 7383 ms. (steps per millisecond=135 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 1000001 steps, including 50452 resets, run finished after 2524 ms. (steps per millisecond=396 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 1000000 steps, including 50398 resets, run finished after 2443 ms. (steps per millisecond=409 ) properties (out of 8) seen :3
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 3312 ms. (steps per millisecond=301 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101967 resets, run finished after 2640 ms. (steps per millisecond=378 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101844 resets, run finished after 2734 ms. (steps per millisecond=365 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 102241 resets, run finished after 2675 ms. (steps per millisecond=373 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 76 rows 64 cols
[2023-03-21 15:38:18] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-21 15:38:18] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:38:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:19] [INFO ] After 87ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 15:38:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:38:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:19] [INFO ] After 34ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-21 15:38:19] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-21 15:38:19] [INFO ] After 24ms SMT Verify possible using 27 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-21 15:38:19] [INFO ] After 59ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 27 ms.
[2023-03-21 15:38:19] [INFO ] After 159ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 2 properties in 241 ms.
Support contains 6 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 76/76 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 61 transition count 71
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 61 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 60 transition count 70
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 60 transition count 70
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 60 transition count 69
Applied a total of 9 rules in 8 ms. Remains 60 /64 variables (removed 4) and now considering 69/76 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 60/64 places, 69/76 transitions.
Incomplete random walk after 1000000 steps, including 229230 resets, run finished after 5250 ms. (steps per millisecond=190 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 2458 ms. (steps per millisecond=406 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101819 resets, run finished after 2055 ms. (steps per millisecond=486 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 102117 resets, run finished after 1984 ms. (steps per millisecond=504 ) properties (out of 3) seen :1
Running SMT prover for 2 properties.
// Phase 1: matrix 69 rows 60 cols
[2023-03-21 15:38:31] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:38:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:31] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 15:38:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:38:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:31] [INFO ] After 20ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-21 15:38:31] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-21 15:38:31] [INFO ] After 9ms SMT Verify possible using 23 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-21 15:38:31] [INFO ] After 18ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-21 15:38:31] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 39 ms.
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 69/69 transitions.
Graph (complete) has 177 edges and 60 vertex of which 59 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 59 transition count 67
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 58 transition count 66
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 58 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 58 transition count 65
Applied a total of 6 rules in 8 ms. Remains 58 /60 variables (removed 2) and now considering 65/69 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 58/60 places, 65/69 transitions.
Incomplete random walk after 1000000 steps, including 229368 resets, run finished after 3987 ms. (steps per millisecond=250 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 101625 resets, run finished after 474 ms. (steps per millisecond=2109 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 65 rows 58 cols
[2023-03-21 15:38:35] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-21 15:38:35] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:35] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:38:35] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:35] [INFO ] After 19ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:38:35] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-21 15:38:35] [INFO ] After 4ms SMT Verify possible using 19 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:38:35] [INFO ] After 11ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-21 15:38:35] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 65/65 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 57 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 57 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 57 transition count 63
Applied a total of 3 rules in 7 ms. Remains 57 /58 variables (removed 1) and now considering 63/65 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 57/58 places, 63/65 transitions.
Incomplete random walk after 1000000 steps, including 228809 resets, run finished after 843 ms. (steps per millisecond=1186 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101970 resets, run finished after 442 ms. (steps per millisecond=2262 ) properties (out of 1) seen :0
Finished probabilistic random walk after 4097 steps, run visited all 1 properties in 16 ms. (steps per millisecond=256 )
Probabilistic random walk after 4097 steps, saw 1869 distinct states, run finished after 16 ms. (steps per millisecond=256 ) properties seen :1
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 153871 ms.
ITS solved all properties within timeout

BK_STOP 1679413118292

--------------------
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 QuasiLiveness -timeout 180 -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="DBSingleClientW-PT-d0m08"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 DBSingleClientW-PT-d0m08, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r119-tall-167814497300132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m08.tgz
mv DBSingleClientW-PT-d0m08 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;