Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r235-smll-162106564800357.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-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 2-4028
Executing tool itstools
Input is SimpleLoadBal-PT-02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r235-smll-162106564800357
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 30K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 163K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 24K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 111K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Apr 26 07:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 26 07:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 26 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 26 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Mar 27 13:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 13:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 25 19:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 25 19:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 38K May 5 16:52 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 SimpleLoadBal-PT-02-00
FORMULA_NAME SimpleLoadBal-PT-02-01
FORMULA_NAME SimpleLoadBal-PT-02-02
FORMULA_NAME SimpleLoadBal-PT-02-03
FORMULA_NAME SimpleLoadBal-PT-02-04
FORMULA_NAME SimpleLoadBal-PT-02-05
FORMULA_NAME SimpleLoadBal-PT-02-06
FORMULA_NAME SimpleLoadBal-PT-02-07
FORMULA_NAME SimpleLoadBal-PT-02-08
FORMULA_NAME SimpleLoadBal-PT-02-09
FORMULA_NAME SimpleLoadBal-PT-02-10
FORMULA_NAME SimpleLoadBal-PT-02-11
FORMULA_NAME SimpleLoadBal-PT-02-12
FORMULA_NAME SimpleLoadBal-PT-02-13
FORMULA_NAME SimpleLoadBal-PT-02-14
FORMULA_NAME SimpleLoadBal-PT-02-15

=== Now, execution of the tool begins

BK_START 1621304098075

Running Version 0
[2021-05-18 02:15:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-18 02:15:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-18 02:15:00] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2021-05-18 02:15:00] [INFO ] Transformed 32 places.
[2021-05-18 02:15:00] [INFO ] Transformed 45 transitions.
[2021-05-18 02:15:00] [INFO ] Found NUPN structural information;
[2021-05-18 02:15:00] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_waiting_1, P_client_waiting_2, P_client_request_1, P_client_request_2, P_client_ack_1, P_client_ack_2, P_server_idle_1, P_server_idle_2, P_server_waiting_1, P_server_waiting_2, P_server_processed_1, P_server_processed_2, P_server_notification_1, P_server_notification_2, P_server_notification_ack_1, P_server_notification_ack_2, P_server_request_1_1, P_server_request_1_2, P_server_request_2_1, P_server_request_2_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2]
[2021-05-18 02:15:00] [INFO ] Parsed PT model containing 32 places and 45 transitions in 111 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2021-05-18 02:15:00] [INFO ] Initial state test concluded for 1 properties.
Support contains 18 out of 32 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 32/32 places, 45/45 transitions.
Applied a total of 0 rules in 13 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:01] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2021-05-18 02:15:01] [INFO ] Computed 13 place invariants in 9 ms
[2021-05-18 02:15:01] [INFO ] Implicit Places using invariants in 184 ms returned [2, 3, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 223 ms to find 4 implicit places.
[2021-05-18 02:15:01] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:01] [INFO ] Computed 9 place invariants in 2 ms
[2021-05-18 02:15:01] [INFO ] Dead Transitions using invariants and state equation in 84 ms returned []
Starting structural reductions, iteration 1 : 28/32 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:01] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:01] [INFO ] Computed 9 place invariants in 5 ms
[2021-05-18 02:15:01] [INFO ] Dead Transitions using invariants and state equation in 99 ms returned []
Finished structural reductions, in 2 iterations. Remains : 28/32 places, 45/45 transitions.
[2021-05-18 02:15:01] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2021-05-18 02:15:01] [INFO ] Flatten gal took : 39 ms
FORMULA SimpleLoadBal-PT-02-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-18 02:15:01] [INFO ] Flatten gal took : 15 ms
[2021-05-18 02:15:01] [INFO ] Input system was already deterministic with 45 transitions.
Incomplete random walk after 100000 steps, including 2 resets, run finished after 321 ms. (steps per millisecond=311 ) properties (out of 23) seen :22
Running SMT prover for 1 properties.
[2021-05-18 02:15:02] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:02] [INFO ] Computed 9 place invariants in 5 ms
[2021-05-18 02:15:02] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned unsat
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
[2021-05-18 02:15:02] [INFO ] Initial state test concluded for 1 properties.
FORMULA SimpleLoadBal-PT-02-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((F((G(p1)||p0)) U G(p2)))], workingDir=/home/mcc/execution]
Support contains 5 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 28 transition count 41
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 24 transition count 41
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 20 transition count 37
Applied a total of 16 rules in 28 ms. Remains 20 /28 variables (removed 8) and now considering 37/45 (removed 8) transitions.
[2021-05-18 02:15:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:02] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:02] [INFO ] Implicit Places using invariants in 37 ms returned []
[2021-05-18 02:15:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:02] [INFO ] Computed 9 place invariants in 2 ms
[2021-05-18 02:15:02] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:02] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
[2021-05-18 02:15:02] [INFO ] Redundant transitions in 0 ms returned []
[2021-05-18 02:15:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:02] [INFO ] Computed 9 place invariants in 2 ms
[2021-05-18 02:15:02] [INFO ] Dead Transitions using invariants and state equation in 54 ms returned []
Finished structural reductions, in 1 iterations. Remains : 20/28 places, 37/45 transitions.
Stuttering acceptance computed with spot in 314 ms :[(NOT p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SimpleLoadBal-PT-02-00 automaton TGBA [mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=p2, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}]], initial=0, aps=[p2:(AND (EQ s11 1) (EQ s15 1) (EQ s19 1)), p0:(OR (NEQ s11 1) (NEQ s15 1) (NEQ s19 1)), p1:(OR (NEQ s11 1) (NEQ s14 1) (NEQ s18 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 517 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA SimpleLoadBal-PT-02-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-00 finished in 1116 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((F(p0)||X(G(p1))))], workingDir=/home/mcc/execution]
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:03] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:03] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:03] [INFO ] Implicit Places using invariants in 64 ms returned []
[2021-05-18 02:15:03] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:03] [INFO ] Computed 9 place invariants in 7 ms
[2021-05-18 02:15:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:03] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2021-05-18 02:15:03] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:03] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:03] [INFO ] Dead Transitions using invariants and state equation in 79 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SimpleLoadBal-PT-02-01 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (EQ s19 1) (EQ s24 1) (EQ s26 1)), p1:(AND (EQ s20 1) (EQ s24 1) (EQ s26 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 201 reset in 166 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 1 ms.
FORMULA SimpleLoadBal-PT-02-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-01 finished in 536 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G((p0&&X(G(p1)))))], workingDir=/home/mcc/execution]
Support contains 5 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:03] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:03] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:04] [INFO ] Implicit Places using invariants in 413 ms returned []
[2021-05-18 02:15:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:04] [INFO ] Computed 9 place invariants in 3 ms
[2021-05-18 02:15:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:04] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
[2021-05-18 02:15:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:04] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:04] [INFO ] Dead Transitions using invariants and state equation in 72 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : SimpleLoadBal-PT-02-02 automaton TGBA [mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(OR (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (NEQ s21 1) (NEQ s23 1) (NEQ s25 1)), p1:(OR (NEQ s21 1) (NEQ s24 1) (NEQ s26 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 22 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-02 finished in 864 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(G(p0))))], workingDir=/home/mcc/execution]
Support contains 3 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:04] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:04] [INFO ] Implicit Places using invariants in 55 ms returned []
[2021-05-18 02:15:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:04] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:04] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
[2021-05-18 02:15:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:04] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:04] [INFO ] Dead Transitions using invariants and state equation in 57 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-03 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(OR (EQ s20 0) (EQ s23 0) (EQ s26 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 116 steps with 0 reset in 1 ms.
FORMULA SimpleLoadBal-PT-02-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-03 finished in 337 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G(p0)))], workingDir=/home/mcc/execution]
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 28 transition count 41
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 24 transition count 41
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 20 transition count 37
Applied a total of 16 rules in 8 ms. Remains 20 /28 variables (removed 8) and now considering 37/45 (removed 8) transitions.
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:05] [INFO ] Implicit Places using invariants in 48 ms returned []
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 5 ms
[2021-05-18 02:15:05] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:05] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
[2021-05-18 02:15:05] [INFO ] Redundant transitions in 1 ms returned []
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:05] [INFO ] Dead Transitions using invariants and state equation in 60 ms returned []
Finished structural reductions, in 1 iterations. Remains : 20/28 places, 37/45 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-04 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 0}]], initial=0, aps=[p0:(OR (NEQ s9 1) (NEQ s13 1) (NEQ s14 1) (NEQ s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 269 ms.
Stack based approach found an accepted trace after 4639 steps with 0 reset with depth 4640 and stack size 63 in 23 ms.
FORMULA SimpleLoadBal-PT-02-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-04 finished in 544 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F(p0))))], workingDir=/home/mcc/execution]
Support contains 3 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:05] [INFO ] Implicit Places using invariants in 47 ms returned []
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:05] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:05] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
[2021-05-18 02:15:05] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:05] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:05] [INFO ] Dead Transitions using invariants and state equation in 61 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-05 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (EQ s10 1) (EQ s21 1) (EQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 998 reset in 178 ms.
Stack based approach found an accepted trace after 36 steps with 0 reset with depth 37 and stack size 37 in 1 ms.
FORMULA SimpleLoadBal-PT-02-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-05 finished in 524 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((F(((G(p1)&&(p2 U (p3||G(p2))))||p0)) U X(p4)))], workingDir=/home/mcc/execution]
Support contains 6 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:06] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:06] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:06] [INFO ] Implicit Places using invariants in 38 ms returned []
[2021-05-18 02:15:06] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:06] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:06] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:06] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
[2021-05-18 02:15:06] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:06] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:06] [INFO ] Dead Transitions using invariants and state equation in 68 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 479 ms :[(NOT p4), (NOT p4), (AND (NOT p0) (NOT p1) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4))), (AND (NOT p0) p1 (NOT p3) (NOT p2) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3))]
Running random walk in product with property : SimpleLoadBal-PT-02-06 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(OR (AND (NOT p0) p1 p3) (AND (NOT p0) p1 p2)), acceptance={} source=0 dest: 2}, { cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3) (NOT p2))), acceptance={} source=0 dest: 3}, { cond=(AND (NOT p0) p1 (NOT p3) p2), acceptance={} source=0 dest: 4}], [{ cond=(NOT p4), acceptance={0, 1} source=1 dest: 1}, { cond=(OR (AND (NOT p0) p1 p3 (NOT p4)) (AND (NOT p0) p1 p2 (NOT p4))), acceptance={} source=1 dest: 2}, { cond=(OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p0) (NOT p3) (NOT p2) (NOT p4))), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p1 (NOT p3) p2 (NOT p4)), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p4)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p0) p1 (NOT p4)), acceptance={} source=2 dest: 6}], [{ cond=(OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p0) (NOT p3) (NOT p2) (NOT p4))), acceptance={} source=3 dest: 5}, { cond=(OR (AND (NOT p0) p1 p3 (NOT p4)) (AND (NOT p0) p1 p2 (NOT p4))), acceptance={} source=3 dest: 6}, { cond=(AND (NOT p0) p1 (NOT p3) p2 (NOT p4)), acceptance={} source=3 dest: 7}], [{ cond=(AND (NOT p0) p1 (NOT p3) (NOT p2) (NOT p4)), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p0) (NOT p3) p2 (NOT p4)), acceptance={} source=4 dest: 7}], [{ cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3) (NOT p2))), acceptance={0, 1} source=5 dest: 5}, { cond=(OR (AND (NOT p0) p1 p3) (AND (NOT p0) p1 p2)), acceptance={1} source=5 dest: 6}, { cond=(AND (NOT p0) p1 (NOT p3) p2), acceptance={0} source=5 dest: 7}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=6 dest: 5}, { cond=(AND (NOT p0) p1), acceptance={1} source=6 dest: 6}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={0, 1} source=7 dest: 5}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={0} source=7 dest: 7}]], initial=0, aps=[p0:(OR (EQ s21 0) (EQ s22 0) (EQ s26 0)), p1:(AND (EQ s7 1) (EQ s17 1)), p3:(AND (OR (NEQ s21 1) (NEQ s23 1) (NEQ s26 1)) (OR (NEQ s21 1) (NEQ s22 1) (NEQ s26 1))), p2:(OR (NEQ s21 1) (NEQ s22 1) (NEQ s26 1)), p4:(OR (EQ s21 0) (EQ s23 0) (EQ s26 0))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 232 ms.
Product exploration explored 100000 steps with 50000 reset in 214 ms.
Knowledge obtained : [p0, (NOT p1), p3, p2, p4]
Stuttering acceptance computed with spot in 384 ms :[(NOT p4), (NOT p4), (AND (NOT p0) (NOT p1) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4))), (AND (NOT p0) p1 (NOT p3) (NOT p2) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3))]
Product exploration explored 100000 steps with 50000 reset in 140 ms.
Product exploration explored 100000 steps with 50000 reset in 151 ms.
Applying partial POR strategy [false, false, true, true, true, true, true, true]
Stuttering acceptance computed with spot in 522 ms :[(NOT p4), (NOT p4), (AND (NOT p0) (NOT p1) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p4))), (AND (NOT p0) p1 (NOT p3) (NOT p2) (NOT p4)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3))]
Support contains 6 out of 28 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 28 transition count 51
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 51
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 28 transition count 51
Deduced a syphon composed of 7 places in 0 ms
Applied a total of 7 rules in 6 ms. Remains 28 /28 variables (removed 0) and now considering 51/45 (removed -6) transitions.
[2021-05-18 02:15:09] [INFO ] Redundant transitions in 0 ms returned []
[2021-05-18 02:15:09] [INFO ] Flow matrix only has 41 transitions (discarded 10 similar events)
// Phase 1: matrix 41 rows 28 cols
[2021-05-18 02:15:09] [INFO ] Computed 9 place invariants in 7 ms
[2021-05-18 02:15:09] [INFO ] Dead Transitions using invariants and state equation in 51 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 51/45 transitions.
Product exploration explored 100000 steps with 50000 reset in 141 ms.
Product exploration explored 100000 steps with 50000 reset in 166 ms.
[2021-05-18 02:15:09] [INFO ] Flatten gal took : 11 ms
[2021-05-18 02:15:09] [INFO ] Flatten gal took : 10 ms
[2021-05-18 02:15:09] [INFO ] Time to serialize gal into /tmp/LTL2952880696739403320.gal : 7 ms
[2021-05-18 02:15:09] [INFO ] Time to serialize properties into /tmp/LTL12537658063995400148.ltl : 99 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL2952880696739403320.gal, -t, CGAL, -LTL, /tmp/LTL12537658063995400148.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL2952880696739403320.gal -t CGAL -LTL /tmp/LTL12537658063995400148.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((F(("(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))")||((G("((P_server_idle_2==1)&&(P_server_request_2_2==1))"))&&(("(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))")U(("((((P_lb_balancing_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0))&&(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0)))")||(G("(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))")))))))U(X("(((P_lb_balancing_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0))"))))
Formula 0 simplified : !(F("(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))" | (G"((P_server_idle_2==1)&&(P_server_request_2_2==1))" & ("(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))" U ("((((P_lb_balancing_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0))&&(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0)))" | G"(((P_lb_balancing_1==0)||(P_lb_load_1_0==0))||(P_lb_load_2_1==0))")))) U X"(((P_lb_balancing_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0))")
Reverse transition relation is NOT exact ! Due to transitions t4, t5, t6, t7, t27, t29, t35, t37, t38, t42, t43, t44, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :1/32/12/45
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
11 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.137318,20564,1,0,101,11541,143,47,1398,8765,108
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SimpleLoadBal-PT-02-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property SimpleLoadBal-PT-02-06 finished in 3662 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G((p0||X((p1 U p2))))))], workingDir=/home/mcc/execution]
Support contains 7 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:09] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:09] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:09] [INFO ] Implicit Places using invariants in 55 ms returned []
[2021-05-18 02:15:09] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:09] [INFO ] Computed 9 place invariants in 2 ms
[2021-05-18 02:15:09] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:09] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2021-05-18 02:15:09] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:09] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:09] [INFO ] Dead Transitions using invariants and state equation in 60 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : SimpleLoadBal-PT-02-07 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s10 1) (EQ s21 1) (EQ s24 1)), p2:(EQ s8 1), p1:(AND (EQ s19 1) (EQ s23 1) (EQ s25 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 8565 reset in 248 ms.
Stack based approach found an accepted trace after 219 steps with 20 reset with depth 20 and stack size 20 in 1 ms.
FORMULA SimpleLoadBal-PT-02-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-07 finished in 549 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F((!p0 U (p1||G(!p0)))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:10] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:10] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:10] [INFO ] Implicit Places using invariants in 66 ms returned []
[2021-05-18 02:15:10] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:10] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:10] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:10] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2021-05-18 02:15:10] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:10] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:10] [INFO ] Dead Transitions using invariants and state equation in 64 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-08 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (NEQ s8 1) (OR (NEQ s19 1) (NEQ s23 1) (NEQ s26 1))), p0:(EQ s8 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 222 ms.
Product exploration explored 100000 steps with 33333 reset in 134 ms.
Knowledge obtained : [p1, (NOT p0)]
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Product exploration explored 100000 steps with 33333 reset in 173 ms.
Product exploration explored 100000 steps with 33333 reset in 196 ms.
Applying partial POR strategy [false, false, true]
Stuttering acceptance computed with spot in 130 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Support contains 4 out of 28 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 28 transition count 48
Deduced a syphon composed of 3 places in 0 ms
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 28 transition count 48
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 28 transition count 48
Deduced a syphon composed of 7 places in 0 ms
Applied a total of 7 rules in 8 ms. Remains 28 /28 variables (removed 0) and now considering 48/45 (removed -3) transitions.
[2021-05-18 02:15:11] [INFO ] Redundant transitions in 1 ms returned []
[2021-05-18 02:15:11] [INFO ] Flow matrix only has 38 transitions (discarded 10 similar events)
// Phase 1: matrix 38 rows 28 cols
[2021-05-18 02:15:11] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:12] [INFO ] Dead Transitions using invariants and state equation in 68 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 48/45 transitions.
Product exploration explored 100000 steps with 33333 reset in 616 ms.
Product exploration explored 100000 steps with 33333 reset in 745 ms.
[2021-05-18 02:15:13] [INFO ] Flatten gal took : 7 ms
[2021-05-18 02:15:13] [INFO ] Flatten gal took : 6 ms
[2021-05-18 02:15:13] [INFO ] Time to serialize gal into /tmp/LTL2759922796120898072.gal : 4 ms
[2021-05-18 02:15:13] [INFO ] Time to serialize properties into /tmp/LTL11945648904031023532.ltl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL2759922796120898072.gal, -t, CGAL, -LTL, /tmp/LTL11945648904031023532.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL2759922796120898072.gal -t CGAL -LTL /tmp/LTL11945648904031023532.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !((X(X(F(("(P_server_processed_1==0)")U((G("(P_server_processed_1==0)"))||("((P_server_processed_1==0)&&(((P_lb_routing_1_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0)))")))))))
Formula 0 simplified : !XXF("(P_server_processed_1==0)" U ("((P_server_processed_1==0)&&(((P_lb_routing_1_1==0)||(P_lb_load_1_1==0))||(P_lb_load_2_1==0)))" | G"(P_server_processed_1==0)"))
Reverse transition relation is NOT exact ! Due to transitions t4, t5, t6, t7, t27, t29, t35, t37, t38, t42, t43, t44, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :1/32/12/45
3 unique states visited
0 strongly connected components in search stack
2 transitions explored
3 items max in DFS search stack
10 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.117279,19236,1,0,102,11572,125,47,1371,8796,109
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SimpleLoadBal-PT-02-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property SimpleLoadBal-PT-02-08 finished in 3238 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(F((!p0 U (G(!p0)||(F(p2)&&p1))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 28 transition count 41
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 24 transition count 41
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 20 transition count 37
Applied a total of 16 rules in 5 ms. Remains 20 /28 variables (removed 8) and now considering 37/45 (removed 8) transitions.
[2021-05-18 02:15:13] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:13] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:13] [INFO ] Implicit Places using invariants in 30 ms returned []
[2021-05-18 02:15:13] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:13] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:13] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:13] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2021-05-18 02:15:13] [INFO ] Redundant transitions in 1 ms returned []
[2021-05-18 02:15:13] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-18 02:15:13] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:13] [INFO ] Dead Transitions using invariants and state equation in 38 ms returned []
Finished structural reductions, in 1 iterations. Remains : 20/28 places, 37/45 transitions.
Stuttering acceptance computed with spot in 100 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p2)) (AND p0 (NOT p1))), (AND p0 (NOT p2))]
Running random walk in product with property : SimpleLoadBal-PT-02-10 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (NEQ s13 0) (NEQ s15 0) (NEQ s18 0)), p0:(OR (EQ s13 0) (EQ s15 0) (EQ s18 0)), p2:(AND (NEQ s13 0) (NEQ s15 0) (NEQ s17 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 2353 reset in 271 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA SimpleLoadBal-PT-02-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-10 finished in 516 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(G(p0)))], workingDir=/home/mcc/execution]
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:14] [INFO ] Implicit Places using invariants in 54 ms returned []
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:14] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 126 ms to find 0 implicit places.
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:14] [INFO ] Dead Transitions using invariants and state equation in 68 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-12 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (EQ s14 1) (EQ s21 1) (EQ s24 1) (EQ s25 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-12 finished in 307 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(F((X(p1)&&p0))))], workingDir=/home/mcc/execution]
Support contains 3 out of 28 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 28/28 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:14] [INFO ] Implicit Places using invariants in 43 ms returned []
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 0 ms
[2021-05-18 02:15:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-18 02:15:14] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
[2021-05-18 02:15:14] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2021-05-18 02:15:14] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-18 02:15:14] [INFO ] Dead Transitions using invariants and state equation in 47 ms returned []
Finished structural reductions, in 1 iterations. Remains : 28/28 places, 45/45 transitions.
Stuttering acceptance computed with spot in 226 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-14 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (EQ s21 1) (EQ s23 1) (EQ s27 1)), p1:(AND (EQ s21 1) (EQ s23 1) (EQ s27 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 85 reset in 207 ms.
Stack based approach found an accepted trace after 27 steps with 0 reset with depth 28 and stack size 28 in 1 ms.
FORMULA SimpleLoadBal-PT-02-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-14 finished in 624 ms.
All properties solved without resorting to model-checking.

BK_STOP 1621304116255

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="SimpleLoadBal-PT-02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is SimpleLoadBal-PT-02, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r235-smll-162106564800357"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-02.tgz
mv SimpleLoadBal-PT-02 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;