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.r286-smll-171654422600047.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)
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool gold2023
Input is Parking-PT-416, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r286-smll-171654422600047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Apr 11 17:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 11 17:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 11 16:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 11 16:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 107K 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 booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1716797852865

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=gold2023
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-416
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202304061127
[2024-05-27 08:17:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-27 08:17:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 08:17:36] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2024-05-27 08:17:36] [INFO ] Transformed 305 places.
[2024-05-27 08:17:36] [INFO ] Transformed 433 transitions.
[2024-05-27 08:17:36] [INFO ] Found NUPN structural information;
[2024-05-27 08:17:36] [INFO ] Parsed PT model containing 305 places and 433 transitions and 1289 arcs in 289 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 305/305 places, 433/433 transitions.
Ensure Unique test removed 176 transitions
Reduce isomorphic transitions removed 176 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 184 rules applied. Total rules applied 184 place count 305 transition count 249
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 192 place count 297 transition count 249
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 192 place count 297 transition count 241
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 208 place count 289 transition count 241
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 240 place count 273 transition count 225
Applied a total of 240 rules in 57 ms. Remains 273 /305 variables (removed 32) and now considering 225/433 (removed 208) transitions.
// Phase 1: matrix 225 rows 273 cols
[2024-05-27 08:17:36] [INFO ] Computed 76 invariants in 27 ms
[2024-05-27 08:17:37] [INFO ] Implicit Places using invariants in 835 ms returned [47, 54, 60, 66, 82, 84, 109, 116, 122, 128, 144, 146, 171, 178, 184, 190, 206, 208, 233, 240, 246, 252, 268, 270]
Discarding 24 places :
Implicit Place search using SMT only with invariants took 905 ms to find 24 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 249/305 places, 225/433 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 229 transition count 205
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 228 transition count 224
Applied a total of 42 rules in 22 ms. Remains 228 /249 variables (removed 21) and now considering 224/225 (removed 1) transitions.
// Phase 1: matrix 224 rows 228 cols
[2024-05-27 08:17:37] [INFO ] Computed 52 invariants in 3 ms
[2024-05-27 08:17:37] [INFO ] Implicit Places using invariants in 377 ms returned []
[2024-05-27 08:17:37] [INFO ] Invariant cache hit.
[2024-05-27 08:17:38] [INFO ] State equation strengthened by 104 read => feed constraints.
[2024-05-27 08:17:38] [INFO ] Implicit Places using invariants and state equation in 739 ms returned []
Implicit Place search using SMT with State Equation took 1121 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 228/305 places, 224/433 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2106 ms. Remains : 228/305 places, 224/433 transitions.
Discarding 92 transitions out of 224. Remains 132
Initial state reduction rules removed 1 formulas.
[2024-05-27 08:17:39] [INFO ] Flatten gal took : 181 ms
[2024-05-27 08:17:39] [INFO ] Flatten gal took : 78 ms
[2024-05-27 08:17:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7960748854605783914.gal : 24 ms
[2024-05-27 08:17:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9309732251536853518.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7960748854605783914.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9309732251536853518.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9309732251536853518.prop.
Reachability property qltransition_136 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_98 is true.
SDD proceeding with computation,128 properties remain. new max is 2
SDD size :6 after 25
SDD proceeding with computation,128 properties remain. new max is 4
SDD size :25 after 81
SDD proceeding with computation,128 properties remain. new max is 8
SDD size :81 after 2065
Reachability property qltransition_144 is true.
SDD proceeding with computation,127 properties remain. new max is 8
SDD size :2065 after 1.04859e+06
SDD proceeding with computation,127 properties remain. new max is 16
SDD size :1.04859e+06 after 2.09717e+06
Reachability property qltransition_146 is true.
Reachability property qltransition_142 is true.
SDD proceeding with computation,125 properties remain. new max is 16
SDD size :2.09717e+06 after 3.40787e+06
SDD proceeding with computation,125 properties remain. new max is 32
SDD size :3.40787e+06 after 4.98074e+06
Reachability property qltransition_154 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_58 is true.
SDD proceeding with computation,121 properties remain. new max is 32
SDD size :4.98074e+06 after 9.43718e+06
Reachability property qltransition_153 is true.
Reachability property qltransition_152 is true.
SDD proceeding with computation,119 properties remain. new max is 32
SDD size :9.43718e+06 after 1.15343e+07
Reachability property qltransition_151 is true.
Reachability property qltransition_73 is true.
SDD proceeding with computation,117 properties remain. new max is 32
SDD size :1.15343e+07 after 1.36315e+07
Incomplete random walk after 10000 steps, including 132 resets, run finished after 1073 ms. (steps per millisecond=9 ) properties (out of 131) seen :90
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 41) seen :0
Running SMT prover for 41 properties.
[2024-05-27 08:17:39] [INFO ] Invariant cache hit.
Reachability property qltransition_72 is true.
[2024-05-27 08:17:40] [INFO ] [Real]Absence check using 52 positive place invariants in 18 ms returned sat
Reachability property qltransition_71 is true.
SDD proceeding with computation,115 properties remain. new max is 32
SDD size :1.36315e+07 after 1.57286e+07
Reachability property qltransition_150 is true.
Reachability property qltransition_149 is true.
SDD proceeding with computation,113 properties remain. new max is 32
SDD size :1.57286e+07 after 1.73015e+07
Reachability property qltransition_148 is true.
Reachability property qltransition_147 is true.
[2024-05-27 08:17:41] [INFO ] After 1924ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:41
[2024-05-27 08:17:42] [INFO ] [Nat]Absence check using 52 positive place invariants in 17 ms returned sat
Reachability property qltransition_70 is true.
SDD proceeding with computation,110 properties remain. new max is 32
SDD size :1.73015e+07 after 2.09715e+07
[2024-05-27 08:17:43] [INFO ] After 888ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :41
[2024-05-27 08:17:43] [INFO ] State equation strengthened by 104 read => feed constraints.
[2024-05-27 08:17:44] [INFO ] After 1161ms SMT Verify possible using 104 Read/Feed constraints in natural domain returned unsat :0 sat :41
[2024-05-27 08:17:46] [INFO ] After 2979ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :41
Attempting to minimize the solution found.
Minimization took 1063 ms.
[2024-05-27 08:17:47] [INFO ] After 5502ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :41
Reachability property qltransition_219 is true.
Parikh walk visited 14 properties in 5820 ms.
Support contains 44 out of 228 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 228/228 places, 224/224 transitions.
Free-agglomeration rule applied 41 times.
Iterating global reduction 0 with 41 rules applied. Total rules applied 41 place count 228 transition count 183
Reduce places removed 41 places and 0 transitions.
Iterating post reduction 0 with 41 rules applied. Total rules applied 82 place count 187 transition count 183
Applied a total of 82 rules in 123 ms. Remains 187 /228 variables (removed 41) and now considering 183/224 (removed 41) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 187/228 places, 183/224 transitions.
Reachability property qltransition_69 is true.
SDD proceeding with computation,108 properties remain. new max is 32
SDD size :2.09715e+07 after 2.30687e+07
Reachability property qltransition_214 is true.
Reachability property qltransition_209 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_145 is true.
Reachability property qltransition_143 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_56 is true.
SDD proceeding with computation,91 properties remain. new max is 32
SDD size :2.30687e+07 after 1.11669e+11
Reachability property qltransition_55 is true.
Reachability property qltransition_54 is true.
SDD proceeding with computation,89 properties remain. new max is 32
SDD size :1.11669e+11 after 1.71799e+11
Reachability property qltransition_134 is true.
Reachability property qltransition_133 is true.
SDD proceeding with computation,87 properties remain. new max is 32
SDD size :1.71799e+11 after 2.06158e+11
Reachability property qltransition_132 is true.
Interrupted random walk after 778753 steps, including 7151 resets, run timeout after 30001 ms. (steps per millisecond=25 ) properties seen 6
Incomplete Best-First random walk after 100001 steps, including 101 resets, run finished after 501 ms. (steps per millisecond=199 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 102 resets, run finished after 455 ms. (steps per millisecond=219 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 95 resets, run finished after 509 ms. (steps per millisecond=196 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 95 resets, run finished after 613 ms. (steps per millisecond=163 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 97 resets, run finished after 464 ms. (steps per millisecond=215 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 94 resets, run finished after 553 ms. (steps per millisecond=180 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 95 resets, run finished after 501 ms. (steps per millisecond=199 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 98 resets, run finished after 497 ms. (steps per millisecond=201 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 102 resets, run finished after 498 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 100 resets, run finished after 499 ms. (steps per millisecond=200 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 100001 steps, including 96 resets, run finished after 754 ms. (steps per millisecond=132 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 94 resets, run finished after 460 ms. (steps per millisecond=217 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 94 resets, run finished after 508 ms. (steps per millisecond=196 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 99 resets, run finished after 481 ms. (steps per millisecond=207 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 99 resets, run finished after 451 ms. (steps per millisecond=221 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 102 resets, run finished after 438 ms. (steps per millisecond=228 ) properties (out of 14) seen :0
Running SMT prover for 14 properties.
// Phase 1: matrix 183 rows 187 cols
[2024-05-27 08:18:31] [INFO ] Computed 52 invariants in 3 ms
[2024-05-27 08:18:31] [INFO ] [Real]Absence check using 52 positive place invariants in 18 ms returned sat
[2024-05-27 08:18:32] [INFO ] After 766ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2024-05-27 08:18:32] [INFO ] [Nat]Absence check using 52 positive place invariants in 19 ms returned sat
[2024-05-27 08:18:32] [INFO ] After 337ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :14
[2024-05-27 08:18:32] [INFO ] State equation strengthened by 134 read => feed constraints.
[2024-05-27 08:18:33] [INFO ] After 329ms SMT Verify possible using 134 Read/Feed constraints in natural domain returned unsat :0 sat :14
[2024-05-27 08:18:33] [INFO ] After 692ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :14
Attempting to minimize the solution found.
Minimization took 203 ms.
[2024-05-27 08:18:33] [INFO ] After 1500ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :14
Parikh walk visited 4 properties in 5372 ms.
Support contains 20 out of 187 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 187/187 places, 183/183 transitions.
Free-agglomeration rule applied 12 times.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 187 transition count 171
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 24 place count 175 transition count 171
Applied a total of 24 rules in 47 ms. Remains 175 /187 variables (removed 12) and now considering 171/183 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 175/187 places, 171/183 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 26151 ms. (steps per millisecond=38 ) properties (out of 10) seen :2
Interrupted Best-First random walk after 668725 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=133 ) properties seen 0
Interrupted Best-First random walk after 754373 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=150 ) properties seen 0
Interrupted Best-First random walk after 729813 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=145 ) properties seen 0
Interrupted Best-First random walk after 911166 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=182 ) properties seen 0
Interrupted Best-First random walk after 900981 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=180 ) properties seen 1
Interrupted Best-First random walk after 981973 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=196 ) properties seen 1
Interrupted Best-First random walk after 744001 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=148 ) properties seen 0
Interrupted Best-First random walk after 769750 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=153 ) properties seen 0
Running SMT prover for 6 properties.
// Phase 1: matrix 171 rows 175 cols
[2024-05-27 08:19:45] [INFO ] Computed 52 invariants in 5 ms
[2024-05-27 08:19:45] [INFO ] [Real]Absence check using 52 positive place invariants in 15 ms returned sat
[2024-05-27 08:19:45] [INFO ] After 338ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-27 08:19:45] [INFO ] [Nat]Absence check using 52 positive place invariants in 42 ms returned sat
[2024-05-27 08:19:46] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2024-05-27 08:19:46] [INFO ] State equation strengthened by 146 read => feed constraints.
[2024-05-27 08:19:46] [INFO ] After 113ms SMT Verify possible using 146 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2024-05-27 08:19:46] [INFO ] After 230ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 83 ms.
[2024-05-27 08:19:46] [INFO ] After 668ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 5 properties in 492 ms.
Support contains 2 out of 175 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 171/171 transitions.
Free-agglomeration rule applied 9 times.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 175 transition count 162
Reduce places removed 9 places and 0 transitions.
Graph (complete) has 371 edges and 166 vertex of which 90 are kept as prefixes of interest. Removing 76 places using SCC suffix rule.3 ms
Discarding 76 places :
Also discarding 60 output transitions
Drop transitions removed 60 transitions
Iterating post reduction 0 with 10 rules applied. Total rules applied 19 place count 90 transition count 102
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 27 place count 90 transition count 94
Applied a total of 27 rules in 22 ms. Remains 90 /175 variables (removed 85) and now considering 94/171 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 90/175 places, 94/171 transitions.
Finished random walk after 109 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=109 )
Parikh walk visited 0 properties in 0 ms.
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 132 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 130803 ms.

BK_STOP 1716797988388

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="Parking-PT-416"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is Parking-PT-416, 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 r286-smll-171654422600047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-416.tgz
mv Parking-PT-416 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 ;