fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r254-tall-162106745400004
Last Updated
Jun 28, 2021

About the Execution of ITS-Tools for SmallOperatingSystem-PT-MT0016DC0008

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
320.783 14941.00 19212.00 1747.70 FFTTFFFTFTFFFTTF normal

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.r254-tall-162106745400004.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is SmallOperatingSystem-PT-MT0016DC0008, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-162106745400004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 23K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 150K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 16K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 109K 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 6.7K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Mar 28 16:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 28 16:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 28 16:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 27 13:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 27 13:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Mar 25 19:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 25 19:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 13 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 8.2K 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 SmallOperatingSystem-PT-MT0016DC0008-00
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-01
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-02
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-03
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-04
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-05
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-06
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-07
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-08
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-09
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-10
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-11
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-12
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-13
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-14
FORMULA_NAME SmallOperatingSystem-PT-MT0016DC0008-15

=== Now, execution of the tool begins

BK_START 1621145827093

Running Version 0
[2021-05-16 06:17:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -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]
[2021-05-16 06:17:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-16 06:17:08] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2021-05-16 06:17:08] [INFO ] Transformed 9 places.
[2021-05-16 06:17:08] [INFO ] Transformed 8 transitions.
[2021-05-16 06:17:08] [INFO ] Parsed PT model containing 9 places and 8 transitions in 62 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2021-05-16 06:17:08] [INFO ] Initial state test concluded for 3 properties.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0016DC0008-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 9 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Applied a total of 1 rules in 7 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:09] [INFO ] Computed 3 place invariants in 5 ms
[2021-05-16 06:17:09] [INFO ] Implicit Places using invariants in 61 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:09] [INFO ] Computed 3 place invariants in 2 ms
[2021-05-16 06:17:09] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:09] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:09] [INFO ] Dead Transitions using invariants and state equation in 20 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/9 places, 8/8 transitions.
[2021-05-16 06:17:09] [INFO ] Flatten gal took : 15 ms
FORMULA SmallOperatingSystem-PT-MT0016DC0008-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-16 06:17:09] [INFO ] Flatten gal took : 3 ms
[2021-05-16 06:17:09] [INFO ] Input system was already deterministic with 8 transitions.
Incomplete random walk after 100002 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=961 ) properties (out of 20) seen :18
Running SMT prover for 2 properties.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:09] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned unsat
[2021-05-16 06:17:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned unsat
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
[2021-05-16 06:17:09] [INFO ] Initial state test concluded for 1 properties.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F(p0))))], workingDir=/home/mcc/execution]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 3 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:11] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:11] [INFO ] Implicit Places using invariants in 11 ms returned []
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:11] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:11] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:11] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:11] [INFO ] Dead Transitions using invariants and state equation in 11 ms returned []
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 1120 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-02 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:(LEQ 1 s5)], 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 33333 reset in 192 ms.
Product exploration explored 100000 steps with 33333 reset in 101 ms.
Knowledge obtained : [p0]
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 33333 reset in 72 ms.
Product exploration explored 100000 steps with 33333 reset in 62 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 7 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 7/7 places, 7/7 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 7 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 5 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2021-05-16 06:17:14] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:14] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:14] [INFO ] Dead Transitions using invariants and state equation in 21 ms returned []
Finished structural reductions, in 1 iterations. Remains : 7/7 places, 7/7 transitions.
Product exploration explored 100000 steps with 33333 reset in 185 ms.
Product exploration explored 100000 steps with 33333 reset in 145 ms.
[2021-05-16 06:17:14] [INFO ] Flatten gal took : 2 ms
[2021-05-16 06:17:14] [INFO ] Flatten gal took : 2 ms
[2021-05-16 06:17:14] [INFO ] Time to serialize gal into /tmp/LTL3412951967970675613.gal : 1 ms
[2021-05-16 06:17:14] [INFO ] Time to serialize properties into /tmp/LTL8942892575045725698.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/LTL3412951967970675613.gal, -t, CGAL, -LTL, /tmp/LTL8942892575045725698.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/LTL3412951967970675613.gal -t CGAL -LTL /tmp/LTL8942892575045725698.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !((X(X(F("(CPUUnit>=1)")))))
Formula 0 simplified : !XXF"(CPUUnit>=1)"
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
3 unique states visited
0 strongly connected components in search stack
2 transitions explored
3 items max in DFS search stack
2 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,0,0.029153,16160,1,0,7,2138,20,0,248,1784,12
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-02 finished in 5160 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F((p0||G(F(p0)))))))], workingDir=/home/mcc/execution]
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:15] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:15] [INFO ] Implicit Places using invariants in 10 ms returned []
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:15] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:15] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 27 ms to find 0 implicit places.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:15] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:15] [INFO ] Dead Transitions using invariants and state equation in 13 ms returned []
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-03 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(GT s5 s4)], 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 33333 reset in 58 ms.
Product exploration explored 100000 steps with 33333 reset in 59 ms.
Knowledge obtained : [p0]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 33333 reset in 48 ms.
Product exploration explored 100000 steps with 33333 reset in 57 ms.
Applying partial POR strategy [false, false, true]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 7/7 places, 7/7 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 7 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 3 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2021-05-16 06:17:15] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:15] [INFO ] Computed 3 place invariants in 2 ms
[2021-05-16 06:17:15] [INFO ] Dead Transitions using invariants and state equation in 15 ms returned []
Finished structural reductions, in 1 iterations. Remains : 7/7 places, 7/7 transitions.
Product exploration explored 100000 steps with 33333 reset in 77 ms.
Product exploration explored 100000 steps with 33333 reset in 78 ms.
[2021-05-16 06:17:15] [INFO ] Flatten gal took : 1 ms
[2021-05-16 06:17:15] [INFO ] Flatten gal took : 1 ms
[2021-05-16 06:17:15] [INFO ] Time to serialize gal into /tmp/LTL11611426425524627673.gal : 0 ms
[2021-05-16 06:17:15] [INFO ] Time to serialize properties into /tmp/LTL11691993349866590034.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/LTL11611426425524627673.gal, -t, CGAL, -LTL, /tmp/LTL11691993349866590034.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/LTL11611426425524627673.gal -t CGAL -LTL /tmp/LTL11691993349866590034.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !((X(X(F(("(CPUUnit>TaskSuspended)")||(G(F("(CPUUnit>TaskSuspended)"))))))))
Formula 0 simplified : !XXF("(CPUUnit>TaskSuspended)" | GF"(CPUUnit>TaskSuspended)")
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
3 unique states visited
0 strongly connected components in search stack
2 transitions explored
3 items max in DFS search stack
2 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,0,0.023451,16868,1,0,7,2138,20,0,251,1784,12
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-03 finished in 787 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F(p0))))], workingDir=/home/mcc/execution]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:15] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:15] [INFO ] Implicit Places using invariants in 11 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13 ms to find 1 implicit places.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:15] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:15] [INFO ] Dead Transitions using invariants and state equation in 13 ms returned []
Starting structural reductions, iteration 1 : 6/8 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:15] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 06:17:15] [INFO ] Dead Transitions using invariants and state equation in 14 ms returned []
Finished structural reductions, in 2 iterations. Remains : 6/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-04 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:(LEQ 3 s4)], 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 1032 reset in 74 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-04 finished in 192 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(G((p0&&(p1 U p2)))))], workingDir=/home/mcc/execution]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:16] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants in 13 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 14 ms to find 1 implicit places.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 16 ms returned []
Starting structural reductions, iteration 1 : 6/8 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 13 ms returned []
Finished structural reductions, in 2 iterations. Remains : 6/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-05 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND p0 p2) (AND p0 p1)), acceptance={} source=1 dest: 1}, { cond=(OR (NOT p0) (AND (NOT p2) (NOT p1))), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(GT 1 s4), p2:(OR (LEQ 1 s4) (LEQ s1 s3)), p1:(LEQ s1 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-05 finished in 164 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(F(p0)))], workingDir=/home/mcc/execution]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 5 place count 5 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 4 transition count 6
Applied a total of 7 rules in 4 ms. Remains 4 /8 variables (removed 4) and now considering 6/8 (removed 2) transitions.
[2021-05-16 06:17:16] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
// Phase 1: matrix 5 rows 4 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants in 8 ms returned []
[2021-05-16 06:17:16] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
// Phase 1: matrix 5 rows 4 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants and state equation in 12 ms returned []
Implicit Place search using SMT with State Equation took 21 ms to find 0 implicit places.
[2021-05-16 06:17:16] [INFO ] Redundant transitions in 0 ms returned []
[2021-05-16 06:17:16] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
// Phase 1: matrix 5 rows 4 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 8 ms returned []
Finished structural reductions, in 1 iterations. Remains : 4/8 places, 6/8 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-06 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-06 finished in 92 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((G(F(p0))||G(p1))))], workingDir=/home/mcc/execution]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 2 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:16] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants in 12 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 12 ms to find 1 implicit places.
[2021-05-16 06:17:16] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 2 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 12 ms returned []
Starting structural reductions, iteration 1 : 6/8 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2021-05-16 06:17:16] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:16] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 11 ms returned []
Finished structural reductions, in 2 iterations. Remains : 6/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 53 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-08 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(OR (LEQ 1 s0) (LEQ s5 s0)), p0:(LEQ 2 s4)], 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 6 reset in 97 ms.
Stack based approach found an accepted trace after 94226 steps with 5 reset with depth 15226 and stack size 1230 in 187 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-08 finished in 404 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((p0||X(F(((F(p0)&&G(p1))||G(F(p0))))))))], workingDir=/home/mcc/execution]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:16] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants in 9 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:16] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Implicit Places using invariants and state equation in 11 ms returned []
Implicit Place search using SMT with State Equation took 21 ms to find 0 implicit places.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:16] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:16] [INFO ] Dead Transitions using invariants and state equation in 13 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 8/8 transitions.
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-09 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=p1, acceptance={} source=2 dest: 3}, { cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(GT 1 s4), p1:(GT s5 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 74 ms.
Product exploration explored 100000 steps with 50000 reset in 117 ms.
Knowledge obtained : [p0, p1]
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0)]
Product exploration explored 100000 steps with 50000 reset in 46 ms.
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Applying partial POR strategy [false, true, true, true, true]
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0)]
Support contains 3 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2021-05-16 06:17:17] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:17] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:17] [INFO ] Dead Transitions using invariants and state equation in 10 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 8/8 transitions.
Product exploration explored 100000 steps with 50000 reset in 84 ms.
Product exploration explored 100000 steps with 50000 reset in 89 ms.
[2021-05-16 06:17:17] [INFO ] Flatten gal took : 1 ms
[2021-05-16 06:17:17] [INFO ] Flatten gal took : 1 ms
[2021-05-16 06:17:17] [INFO ] Time to serialize gal into /tmp/LTL15105628723068816213.gal : 1 ms
[2021-05-16 06:17:17] [INFO ] Time to serialize properties into /tmp/LTL6180112226820194023.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/LTL15105628723068816213.gal, -t, CGAL, -LTL, /tmp/LTL6180112226820194023.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/LTL15105628723068816213.gal -t CGAL -LTL /tmp/LTL6180112226820194023.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !((X(("(TaskSuspended<1)")||(X(F(((F("(TaskSuspended<1)"))&&(G("(CPUUnit>TransferToDisk)")))||(G(F("(TaskSuspended<1)")))))))))
Formula 0 simplified : !X("(TaskSuspended<1)" | XF((F"(TaskSuspended<1)" & G"(CPUUnit>TransferToDisk)") | GF"(TaskSuspended<1)"))
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
4 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,0,0.045165,17676,1,0,6,4495,14,0,278,4168,7
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-09 finished in 1097 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X((F(G(p0))||G(p1)))))], workingDir=/home/mcc/execution]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 0 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:17] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:17] [INFO ] Implicit Places using invariants in 7 ms returned []
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:17] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:17] [INFO ] Implicit Places using invariants and state equation in 12 ms returned []
Implicit Place search using SMT with State Equation took 21 ms to find 0 implicit places.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:17] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:17] [INFO ] Dead Transitions using invariants and state equation in 16 ms returned []
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-10 automaton TGBA [mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 0}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(GT s0 s6), p0:(LEQ s5 s1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 82 ms.
Stack based approach found an accepted trace after 86 steps with 0 reset with depth 87 and stack size 67 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-10 finished in 223 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(p0)))], workingDir=/home/mcc/execution]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 0 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Implicit Places using invariants in 15 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 16 ms to find 1 implicit places.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:18] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Dead Transitions using invariants and state equation in 9 ms returned []
Starting structural reductions, iteration 1 : 6/8 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:18] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 06:17:18] [INFO ] Dead Transitions using invariants and state equation in 13 ms returned []
Finished structural reductions, in 2 iterations. Remains : 6/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-11 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(LEQ 2 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 2 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-11 finished in 130 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(((p0||F(G(p1))) U G(!p2))))], workingDir=/home/mcc/execution]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Implicit Places using invariants in 12 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 06:17:18] [INFO ] Dead Transitions using invariants and state equation in 15 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 8/8 transitions.
Stuttering acceptance computed with spot in 112 ms :[p2, p2, (NOT p1), (AND (NOT p1) p2 p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-12 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={} source=1 dest: 1}, { cond=p2, acceptance={0} source=1 dest: 1}, { cond=(AND p2 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND p2 p0), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={} source=3 dest: 3}]], initial=0, aps=[p2:(GT s5 s2), p0:(GT 3 s1), p1:(OR (GT s7 s1) (GT s5 s2))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 98 ms.
Stack based approach found an accepted trace after 588 steps with 0 reset with depth 589 and stack size 494 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-12 finished in 283 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((X(G(!p0))||F(((p1&&X(F(p2)))||G(F(p2))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Implicit Places using invariants in 8 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:18] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:18] [INFO ] Dead Transitions using invariants and state equation in 28 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 8/8 transitions.
Stuttering acceptance computed with spot in 308 ms :[(AND p0 (NOT p2)), (AND (NOT p2) p0), (AND p0 (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-14 automaton TGBA [mat=[[{ cond=p1, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) p0), acceptance={} source=1 dest: 3}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(OR (AND p1 p0) (AND (NOT p2) p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(OR p1 (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(NOT p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(OR (GT s1 s5) (GT 1 s4)), p2:(LEQ s1 s5), p0:(LEQ 1 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Product exploration explored 100000 steps with 50000 reset in 63 ms.
Knowledge obtained : [p1, p2, (NOT p0)]
Stuttering acceptance computed with spot in 147 ms :[(AND p0 (NOT p2)), (AND (NOT p2) p0), (AND p0 (NOT p2)), (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 50000 reset in 70 ms.
Product exploration explored 100000 steps with 50000 reset in 77 ms.
Applying partial POR strategy [false, true, false, true, false]
Stuttering acceptance computed with spot in 132 ms :[(AND p0 (NOT p2)), (AND (NOT p2) p0), (AND p0 (NOT p2)), (NOT p2), (NOT p2)]
Support contains 4 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2021-05-16 06:17:19] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 8 rows 8 cols
[2021-05-16 06:17:19] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:19] [INFO ] Dead Transitions using invariants and state equation in 11 ms returned []
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 8/8 transitions.
Product exploration explored 100000 steps with 50000 reset in 140 ms.
Product exploration explored 100000 steps with 50000 reset in 149 ms.
[2021-05-16 06:17:19] [INFO ] Flatten gal took : 2 ms
[2021-05-16 06:17:19] [INFO ] Flatten gal took : 1 ms
[2021-05-16 06:17:19] [INFO ] Time to serialize gal into /tmp/LTL17108259691386917320.gal : 1 ms
[2021-05-16 06:17:19] [INFO ] Time to serialize properties into /tmp/LTL9471124311625009282.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/LTL17108259691386917320.gal, -t, CGAL, -LTL, /tmp/LTL9471124311625009282.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/LTL17108259691386917320.gal -t CGAL -LTL /tmp/LTL9471124311625009282.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((X(G("(TransferToDisk<1)")))||(F((("((DiskControllerUnit>CPUUnit)||(TaskSuspended<1))")&&(X(F("(DiskControllerUnit<=CPUUnit)"))))||(G(F("(DiskControllerUnit<=CPUUnit)")))))))
Formula 0 simplified : !(XG"(TransferToDisk<1)" | F(("((DiskControllerUnit>CPUUnit)||(TaskSuspended<1))" & XF"(DiskControllerUnit<=CPUUnit)") | GF"(DiskControllerUnit<=CPUUnit)"))
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
4 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,0,0.048047,18204,1,0,6,4495,27,0,293,4168,14
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SmallOperatingSystem-PT-MT0016DC0008-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-14 finished in 1483 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(p0))], workingDir=/home/mcc/execution]
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 8/8 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2021-05-16 06:17:19] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 06:17:19] [INFO ] Implicit Places using invariants in 8 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 8 ms to find 1 implicit places.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:19] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 06:17:19] [INFO ] Dead Transitions using invariants and state equation in 10 ms returned []
Starting structural reductions, iteration 1 : 6/8 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
// Phase 1: matrix 7 rows 6 cols
[2021-05-16 06:17:19] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 06:17:20] [INFO ] Dead Transitions using invariants and state equation in 10 ms returned []
Finished structural reductions, in 2 iterations. Remains : 6/8 places, 7/8 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : SmallOperatingSystem-PT-MT0016DC0008-15 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s0 s4)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 SmallOperatingSystem-PT-MT0016DC0008-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0016DC0008-15 finished in 96 ms.
All properties solved without resorting to model-checking.

BK_STOP 1621145842034

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="SmallOperatingSystem-PT-MT0016DC0008"
export BK_EXAMINATION="LTLCardinality"
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 SmallOperatingSystem-PT-MT0016DC0008, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-162106745400004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0016DC0008.tgz
mv SmallOperatingSystem-PT-MT0016DC0008 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;