Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r041-tajo-167813694600370.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is BugTracking-PT-q3m128, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694600370
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.0K Feb 26 07:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 07:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 06:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 06:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 15:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 07:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Feb 26 07:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Feb 26 07:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Feb 26 07:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q3m128-CTLFireability-00
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-01
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-02
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-03
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-04
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-05
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-06
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-07
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-08
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-09
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-10
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-11
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-12
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-13
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-14
FORMULA_NAME BugTracking-PT-q3m128-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678631162224

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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q3m128
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 14:26:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 14:26:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 14:26:04] [INFO ] Load time of PNML (sax parser for PT used): 719 ms
[2023-03-12 14:26:04] [INFO ] Transformed 754 places.
[2023-03-12 14:26:04] [INFO ] Transformed 27370 transitions.
[2023-03-12 14:26:04] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 899 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 14 ms.
Deduced a syphon composed of 514 places in 122 ms
Reduce places removed 514 places and 24601 transitions.
FORMULA BugTracking-PT-q3m128-CTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 13 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 2769/2769 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 238 transition count 2769
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 237 transition count 2750
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 237 transition count 2750
Applied a total of 4 rules in 146 ms. Remains 237 /240 variables (removed 3) and now considering 2750/2769 (removed 19) transitions.
[2023-03-12 14:26:05] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
// Phase 1: matrix 2626 rows 237 cols
[2023-03-12 14:26:05] [INFO ] Computed 8 place invariants in 48 ms
[2023-03-12 14:26:06] [INFO ] Implicit Places using invariants in 617 ms returned []
[2023-03-12 14:26:06] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 14:26:06] [INFO ] Invariant cache hit.
[2023-03-12 14:26:06] [INFO ] State equation strengthened by 240 read => feed constraints.
[2023-03-12 14:26:07] [INFO ] Implicit Places using invariants and state equation in 1925 ms returned []
Implicit Place search using SMT with State Equation took 2596 ms to find 0 implicit places.
[2023-03-12 14:26:07] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 14:26:07] [INFO ] Invariant cache hit.
[2023-03-12 14:26:08] [INFO ] Dead Transitions using invariants and state equation in 1028 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 237/240 places, 2750/2769 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3789 ms. Remains : 237/240 places, 2750/2769 transitions.
Support contains 13 out of 237 places after structural reductions.
[2023-03-12 14:26:09] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2023-03-12 14:26:09] [INFO ] Flatten gal took : 252 ms
[2023-03-12 14:26:09] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA BugTracking-PT-q3m128-CTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m128-CTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-12 14:26:09] [INFO ] Flatten gal took : 134 ms
[2023-03-12 14:26:09] [INFO ] Input system was already deterministic with 2750 transitions.
Support contains 11 out of 237 places (down from 13) after GAL structural reductions.
Incomplete random walk after 10002 steps, including 12 resets, run finished after 238 ms. (steps per millisecond=42 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 139966 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :{}
Probabilistic random walk after 139966 steps, saw 67411 distinct states, run finished after 3003 ms. (steps per millisecond=46 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-12 14:26:13] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 14:26:13] [INFO ] Invariant cache hit.
[2023-03-12 14:26:13] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-12 14:26:14] [INFO ] After 659ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 14:26:14] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 14:26:14] [INFO ] After 614ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-12 14:26:14] [INFO ] State equation strengthened by 240 read => feed constraints.
[2023-03-12 14:26:15] [INFO ] After 423ms SMT Verify possible using 240 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-12 14:26:15] [INFO ] Deduced a trap composed of 34 places in 460 ms of which 9 ms to minimize.
[2023-03-12 14:26:16] [INFO ] Deduced a trap composed of 20 places in 198 ms of which 1 ms to minimize.
[2023-03-12 14:26:16] [INFO ] Deduced a trap composed of 11 places in 140 ms of which 1 ms to minimize.
[2023-03-12 14:26:16] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1075 ms
[2023-03-12 14:26:17] [INFO ] Deduced a trap composed of 16 places in 967 ms of which 0 ms to minimize.
[2023-03-12 14:26:17] [INFO ] Deduced a trap composed of 20 places in 176 ms of which 1 ms to minimize.
[2023-03-12 14:26:17] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 1250 ms
[2023-03-12 14:26:17] [INFO ] After 3009ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 144 ms.
[2023-03-12 14:26:18] [INFO ] After 3862ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 27 ms.
Support contains 6 out of 237 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 2753
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 9 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 14 place count 230 transition count 2748
Applied a total of 14 rules in 197 ms. Remains 230 /237 variables (removed 7) and now considering 2748/2750 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 230/237 places, 2748/2750 transitions.
Incomplete random walk after 10082 steps, including 6 resets, run finished after 94 ms. (steps per millisecond=107 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 2) 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 2) seen :0
Interrupted probabilistic random walk after 141910 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :{}
Probabilistic random walk after 141910 steps, saw 92840 distinct states, run finished after 3001 ms. (steps per millisecond=47 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-12 14:26:21] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-12 14:26:21] [INFO ] Computed 8 place invariants in 18 ms
[2023-03-12 14:26:21] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-12 14:26:22] [INFO ] After 569ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 14:26:22] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 14:26:22] [INFO ] After 466ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-12 14:26:22] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 14:26:22] [INFO ] After 286ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-12 14:26:23] [INFO ] Deduced a trap composed of 18 places in 299 ms of which 1 ms to minimize.
[2023-03-12 14:26:23] [INFO ] Deduced a trap composed of 25 places in 205 ms of which 1 ms to minimize.
[2023-03-12 14:26:23] [INFO ] Deduced a trap composed of 40 places in 168 ms of which 1 ms to minimize.
[2023-03-12 14:26:23] [INFO ] Deduced a trap composed of 40 places in 188 ms of which 1 ms to minimize.
[2023-03-12 14:26:24] [INFO ] Deduced a trap composed of 21 places in 166 ms of which 0 ms to minimize.
[2023-03-12 14:26:24] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1347 ms
[2023-03-12 14:26:24] [INFO ] After 1809ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 153 ms.
[2023-03-12 14:26:24] [INFO ] After 2493ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 86 ms.
Support contains 6 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 52 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 40 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-12 14:26:24] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:26:24] [INFO ] Invariant cache hit.
[2023-03-12 14:26:24] [INFO ] Implicit Places using invariants in 257 ms returned []
[2023-03-12 14:26:24] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:26:24] [INFO ] Invariant cache hit.
[2023-03-12 14:26:25] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 14:26:26] [INFO ] Implicit Places using invariants and state equation in 1331 ms returned []
Implicit Place search using SMT with State Equation took 1591 ms to find 0 implicit places.
[2023-03-12 14:26:26] [INFO ] Redundant transitions in 149 ms returned []
[2023-03-12 14:26:26] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:26:26] [INFO ] Invariant cache hit.
[2023-03-12 14:26:27] [INFO ] Dead Transitions using invariants and state equation in 808 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2597 ms. Remains : 230/230 places, 2748/2748 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 230 transition count 2618
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 132 place count 229 transition count 2617
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 133 place count 229 transition count 2616
Free-agglomeration rule applied 5 times.
Iterating global reduction 1 with 5 rules applied. Total rules applied 138 place count 229 transition count 2611
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 143 place count 224 transition count 2611
Applied a total of 143 rules in 141 ms. Remains 224 /230 variables (removed 6) and now considering 2611/2748 (removed 137) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 2611 rows 224 cols
[2023-03-12 14:26:27] [INFO ] Computed 9 place invariants in 11 ms
[2023-03-12 14:26:27] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 14:26:27] [INFO ] After 539ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 14:26:28] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 14:26:28] [INFO ] After 525ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-12 14:26:28] [INFO ] After 772ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 117 ms.
[2023-03-12 14:26:28] [INFO ] After 938ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Successfully simplified 2 atomic propositions for a total of 2 simplifications.
[2023-03-12 14:26:29] [INFO ] Flatten gal took : 115 ms
[2023-03-12 14:26:29] [INFO ] Flatten gal took : 121 ms
[2023-03-12 14:26:29] [INFO ] Input system was already deterministic with 2750 transitions.
Support contains 3 out of 237 places (down from 6) after GAL structural reductions.
Computed a total of 6 stabilizing places and 111 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Applied a total of 0 rules in 55 ms. Remains 237 /237 variables (removed 0) and now considering 2750/2750 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 56 ms. Remains : 237/237 places, 2750/2750 transitions.
[2023-03-12 14:26:29] [INFO ] Flatten gal took : 98 ms
[2023-03-12 14:26:29] [INFO ] Flatten gal took : 98 ms
[2023-03-12 14:26:29] [INFO ] Input system was already deterministic with 2750 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 207833 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :{}
Probabilistic random walk after 207833 steps, saw 100915 distinct states, run finished after 3001 ms. (steps per millisecond=69 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 14:26:33] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
// Phase 1: matrix 2626 rows 237 cols
[2023-03-12 14:26:33] [INFO ] Computed 8 place invariants in 15 ms
[2023-03-12 14:26:33] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 14:26:33] [INFO ] After 529ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 14:26:33] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 14:26:34] [INFO ] After 532ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 14:26:34] [INFO ] State equation strengthened by 240 read => feed constraints.
[2023-03-12 14:26:34] [INFO ] After 208ms SMT Verify possible using 240 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 14:26:34] [INFO ] Deduced a trap composed of 12 places in 259 ms of which 1 ms to minimize.
[2023-03-12 14:26:35] [INFO ] Deduced a trap composed of 20 places in 282 ms of which 1 ms to minimize.
[2023-03-12 14:26:35] [INFO ] Deduced a trap composed of 11 places in 313 ms of which 1 ms to minimize.
[2023-03-12 14:26:35] [INFO ] Deduced a trap composed of 53 places in 297 ms of which 0 ms to minimize.
[2023-03-12 14:26:36] [INFO ] Deduced a trap composed of 50 places in 304 ms of which 0 ms to minimize.
[2023-03-12 14:26:36] [INFO ] Deduced a trap composed of 30 places in 333 ms of which 0 ms to minimize.
[2023-03-12 14:26:36] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 2328 ms
[2023-03-12 14:26:36] [INFO ] After 2626ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 123 ms.
[2023-03-12 14:26:37] [INFO ] After 3383ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1230 ms.
Support contains 3 out of 237 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 2753
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 9 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 14 place count 230 transition count 2748
Applied a total of 14 rules in 91 ms. Remains 230 /237 variables (removed 7) and now considering 2748/2750 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 230/237 places, 2748/2750 transitions.
Incomplete random walk after 1000000 steps, including 696 resets, run finished after 4300 ms. (steps per millisecond=232 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 109 resets, run finished after 1621 ms. (steps per millisecond=616 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 916033 steps, run timeout after 15001 ms. (steps per millisecond=61 ) properties seen :{}
Probabilistic random walk after 916033 steps, saw 595999 distinct states, run finished after 15004 ms. (steps per millisecond=61 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 14:26:59] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-12 14:26:59] [INFO ] Computed 8 place invariants in 14 ms
[2023-03-12 14:26:59] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 14:27:00] [INFO ] After 632ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 14:27:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2023-03-12 14:27:00] [INFO ] After 577ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 14:27:00] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 14:27:00] [INFO ] After 219ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 14:27:01] [INFO ] Deduced a trap composed of 12 places in 238 ms of which 0 ms to minimize.
[2023-03-12 14:27:01] [INFO ] Deduced a trap composed of 10 places in 195 ms of which 1 ms to minimize.
[2023-03-12 14:27:01] [INFO ] Deduced a trap composed of 21 places in 186 ms of which 1 ms to minimize.
[2023-03-12 14:27:02] [INFO ] Deduced a trap composed of 30 places in 222 ms of which 0 ms to minimize.
[2023-03-12 14:27:02] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1202 ms
[2023-03-12 14:27:02] [INFO ] After 1489ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 82 ms.
[2023-03-12 14:27:02] [INFO ] After 2218ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1552 ms.
Support contains 3 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 43 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 41 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-12 14:27:03] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:27:03] [INFO ] Invariant cache hit.
[2023-03-12 14:27:04] [INFO ] Implicit Places using invariants in 296 ms returned []
[2023-03-12 14:27:04] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:27:04] [INFO ] Invariant cache hit.
[2023-03-12 14:27:04] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 14:27:05] [INFO ] Implicit Places using invariants and state equation in 1549 ms returned []
Implicit Place search using SMT with State Equation took 1849 ms to find 0 implicit places.
[2023-03-12 14:27:05] [INFO ] Redundant transitions in 82 ms returned []
[2023-03-12 14:27:05] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:27:05] [INFO ] Invariant cache hit.
[2023-03-12 14:27:06] [INFO ] Dead Transitions using invariants and state equation in 938 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2922 ms. Remains : 230/230 places, 2748/2748 transitions.
Incomplete random walk after 100083 steps, including 62 resets, run finished after 1059 ms. (steps per millisecond=94 ) properties (out of 3) seen :1
Running SMT prover for 2 properties.
[2023-03-12 14:27:07] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 14:27:07] [INFO ] Invariant cache hit.
[2023-03-12 14:27:07] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 14:27:08] [INFO ] After 409ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-12 14:27:08] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 14:27:08] [INFO ] After 215ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :2
[2023-03-12 14:27:08] [INFO ] Deduced a trap composed of 28 places in 177 ms of which 0 ms to minimize.
[2023-03-12 14:27:09] [INFO ] Deduced a trap composed of 37 places in 198 ms of which 1 ms to minimize.
[2023-03-12 14:27:09] [INFO ] Deduced a trap composed of 37 places in 243 ms of which 1 ms to minimize.
[2023-03-12 14:27:09] [INFO ] Deduced a trap composed of 19 places in 227 ms of which 1 ms to minimize.
[2023-03-12 14:27:09] [INFO ] Deduced a trap composed of 55 places in 153 ms of which 0 ms to minimize.
[2023-03-12 14:27:10] [INFO ] Deduced a trap composed of 50 places in 164 ms of which 1 ms to minimize.
[2023-03-12 14:27:10] [INFO ] Deduced a trap composed of 50 places in 223 ms of which 0 ms to minimize.
[2023-03-12 14:27:10] [INFO ] Deduced a trap composed of 40 places in 242 ms of which 0 ms to minimize.
[2023-03-12 14:27:10] [INFO ] Deduced a trap composed of 48 places in 202 ms of which 1 ms to minimize.
[2023-03-12 14:27:11] [INFO ] Deduced a trap composed of 49 places in 246 ms of which 4 ms to minimize.
[2023-03-12 14:27:11] [INFO ] Deduced a trap composed of 37 places in 226 ms of which 2 ms to minimize.
[2023-03-12 14:27:11] [INFO ] Deduced a trap composed of 49 places in 221 ms of which 1 ms to minimize.
[2023-03-12 14:27:12] [INFO ] Deduced a trap composed of 47 places in 247 ms of which 0 ms to minimize.
[2023-03-12 14:27:12] [INFO ] Deduced a trap composed of 50 places in 241 ms of which 1 ms to minimize.
[2023-03-12 14:27:12] [INFO ] Deduced a trap composed of 50 places in 227 ms of which 2 ms to minimize.
[2023-03-12 14:27:13] [INFO ] Deduced a trap composed of 40 places in 225 ms of which 0 ms to minimize.
[2023-03-12 14:27:13] [INFO ] Deduced a trap composed of 49 places in 230 ms of which 1 ms to minimize.
[2023-03-12 14:27:13] [INFO ] Deduced a trap composed of 39 places in 239 ms of which 1 ms to minimize.
[2023-03-12 14:27:14] [INFO ] Deduced a trap composed of 53 places in 237 ms of which 0 ms to minimize.
[2023-03-12 14:27:14] [INFO ] Deduced a trap composed of 48 places in 205 ms of which 1 ms to minimize.
[2023-03-12 14:27:14] [INFO ] Deduced a trap composed of 48 places in 216 ms of which 0 ms to minimize.
[2023-03-12 14:27:14] [INFO ] Deduced a trap composed of 48 places in 192 ms of which 0 ms to minimize.
[2023-03-12 14:27:15] [INFO ] Deduced a trap composed of 36 places in 210 ms of which 0 ms to minimize.
[2023-03-12 14:27:15] [INFO ] Deduced a trap composed of 50 places in 212 ms of which 1 ms to minimize.
[2023-03-12 14:27:15] [INFO ] Deduced a trap composed of 47 places in 220 ms of which 3 ms to minimize.
[2023-03-12 14:27:16] [INFO ] Deduced a trap composed of 38 places in 203 ms of which 2 ms to minimize.
[2023-03-12 14:27:16] [INFO ] Deduced a trap composed of 49 places in 214 ms of which 2 ms to minimize.
[2023-03-12 14:27:16] [INFO ] Deduced a trap composed of 37 places in 182 ms of which 0 ms to minimize.
[2023-03-12 14:27:16] [INFO ] Deduced a trap composed of 46 places in 204 ms of which 0 ms to minimize.
[2023-03-12 14:27:17] [INFO ] Deduced a trap composed of 51 places in 213 ms of which 0 ms to minimize.
[2023-03-12 14:27:17] [INFO ] Deduced a trap composed of 38 places in 233 ms of which 0 ms to minimize.
[2023-03-12 14:27:17] [INFO ] Deduced a trap composed of 48 places in 203 ms of which 2 ms to minimize.
[2023-03-12 14:27:18] [INFO ] Deduced a trap composed of 39 places in 229 ms of which 1 ms to minimize.
[2023-03-12 14:27:18] [INFO ] Deduced a trap composed of 49 places in 220 ms of which 0 ms to minimize.
[2023-03-12 14:27:18] [INFO ] Deduced a trap composed of 46 places in 204 ms of which 1 ms to minimize.
[2023-03-12 14:27:18] [INFO ] Deduced a trap composed of 47 places in 221 ms of which 1 ms to minimize.
[2023-03-12 14:27:19] [INFO ] Deduced a trap composed of 46 places in 240 ms of which 1 ms to minimize.
[2023-03-12 14:27:19] [INFO ] Deduced a trap composed of 49 places in 220 ms of which 0 ms to minimize.
[2023-03-12 14:27:19] [INFO ] Deduced a trap composed of 47 places in 220 ms of which 1 ms to minimize.
[2023-03-12 14:27:20] [INFO ] Deduced a trap composed of 47 places in 217 ms of which 1 ms to minimize.
[2023-03-12 14:27:20] [INFO ] Deduced a trap composed of 48 places in 235 ms of which 5 ms to minimize.
[2023-03-12 14:27:20] [INFO ] Deduced a trap composed of 36 places in 242 ms of which 1 ms to minimize.
[2023-03-12 14:27:21] [INFO ] Deduced a trap composed of 37 places in 209 ms of which 1 ms to minimize.
[2023-03-12 14:27:21] [INFO ] Deduced a trap composed of 49 places in 203 ms of which 2 ms to minimize.
[2023-03-12 14:27:21] [INFO ] Deduced a trap composed of 50 places in 211 ms of which 0 ms to minimize.
[2023-03-12 14:27:21] [INFO ] Deduced a trap composed of 52 places in 214 ms of which 1 ms to minimize.
[2023-03-12 14:27:22] [INFO ] Deduced a trap composed of 50 places in 188 ms of which 0 ms to minimize.
[2023-03-12 14:27:22] [INFO ] Deduced a trap composed of 48 places in 214 ms of which 0 ms to minimize.
[2023-03-12 14:27:22] [INFO ] Deduced a trap composed of 54 places in 217 ms of which 0 ms to minimize.
[2023-03-12 14:27:22] [INFO ] Trap strengthening (SAT) tested/added 50/49 trap constraints in 14289 ms
[2023-03-12 14:27:22] [INFO ] After 14587ms SMT Verify possible using trap constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-12 14:27:22] [INFO ] After 15084ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-12 14:27:22] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 14:27:23] [INFO ] After 478ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-12 14:27:23] [INFO ] After 165ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-12 14:27:23] [INFO ] Deduced a trap composed of 49 places in 280 ms of which 1 ms to minimize.
[2023-03-12 14:27:24] [INFO ] Deduced a trap composed of 16 places in 256 ms of which 1 ms to minimize.
[2023-03-12 14:27:24] [INFO ] Deduced a trap composed of 15 places in 248 ms of which 1 ms to minimize.
[2023-03-12 14:27:24] [INFO ] Deduced a trap composed of 49 places in 250 ms of which 0 ms to minimize.
[2023-03-12 14:27:25] [INFO ] Deduced a trap composed of 37 places in 219 ms of which 1 ms to minimize.
[2023-03-12 14:27:25] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1615 ms
[2023-03-12 14:27:25] [INFO ] After 1820ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-12 14:27:25] [INFO ] After 2383ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
FORMULA BugTracking-PT-q3m128-CTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Applied a total of 0 rules in 8 ms. Remains 237 /237 variables (removed 0) and now considering 2750/2750 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9 ms. Remains : 237/237 places, 2750/2750 transitions.
[2023-03-12 14:27:25] [INFO ] Flatten gal took : 92 ms
[2023-03-12 14:27:25] [INFO ] Flatten gal took : 103 ms
[2023-03-12 14:27:25] [INFO ] Input system was already deterministic with 2750 transitions.
Starting structural reductions in LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Applied a total of 0 rules in 9 ms. Remains 237 /237 variables (removed 0) and now considering 2750/2750 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11 ms. Remains : 237/237 places, 2750/2750 transitions.
[2023-03-12 14:27:25] [INFO ] Flatten gal took : 91 ms
[2023-03-12 14:27:25] [INFO ] Flatten gal took : 94 ms
[2023-03-12 14:27:26] [INFO ] Input system was already deterministic with 2750 transitions.
Starting structural reductions in LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Applied a total of 0 rules in 8 ms. Remains 237 /237 variables (removed 0) and now considering 2750/2750 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8 ms. Remains : 237/237 places, 2750/2750 transitions.
[2023-03-12 14:27:26] [INFO ] Flatten gal took : 90 ms
[2023-03-12 14:27:26] [INFO ] Flatten gal took : 98 ms
[2023-03-12 14:27:26] [INFO ] Input system was already deterministic with 2750 transitions.
[2023-03-12 14:27:26] [INFO ] Flatten gal took : 90 ms
[2023-03-12 14:27:26] [INFO ] Flatten gal took : 90 ms
[2023-03-12 14:27:26] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/CTLFireability.sr.xml took 2 ms.
[2023-03-12 14:27:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 237 places, 2750 transitions and 13477 arcs took 19 ms.
Total runtime 82991 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 --ctl=/tmp/788/ctl_0_ --ctl=/tmp/788/ctl_1_ --ctl=/tmp/788/ctl_2_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393356 kB
MemFree: 14895800 kB
After kill :
MemTotal: 16393356 kB
MemFree: 16082072 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
mcc2023

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="BugTracking-PT-q3m128"
export BK_EXAMINATION="CTLFireability"
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 BugTracking-PT-q3m128, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r041-tajo-167813694600370"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q3m128.tgz
mv BugTracking-PT-q3m128 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;