Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r042-smll-165252095700430.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 DES-PT-02b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r042-smll-165252095700430
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.2K Apr 29 15:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Apr 29 15:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Apr 29 15:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Apr 29 15:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 9 07:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 9 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 07:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 29 15:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Apr 29 15:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 29 15:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 29 15:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 9 07:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 9 07:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 69K May 10 09:33 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 DES-PT-02b-ReachabilityCardinality-00
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-01
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-02
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-03
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-04
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-05
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-06
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-07
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-08
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-09
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-10
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-11
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-12
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-13
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-14
FORMULA_NAME DES-PT-02b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1654183264592

Running Version 202205111006
[2022-06-02 15:21:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -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]
[2022-06-02 15:21:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-02 15:21:07] [INFO ] Load time of PNML (sax parser for PT used): 220 ms
[2022-06-02 15:21:07] [INFO ] Transformed 288 places.
[2022-06-02 15:21:07] [INFO ] Transformed 239 transitions.
[2022-06-02 15:21:07] [INFO ] Found NUPN structural information;
[2022-06-02 15:21:07] [INFO ] Parsed PT model containing 288 places and 239 transitions in 523 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 66 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 83 resets, run finished after 1000 ms. (steps per millisecond=10 ) properties (out of 16) seen :9
FORMULA DES-PT-02b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02b-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 154 ms. (steps per millisecond=64 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 141 ms. (steps per millisecond=70 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
// Phase 1: matrix 239 rows 288 cols
[2022-06-02 15:21:09] [INFO ] Computed 65 place invariants in 23 ms
[2022-06-02 15:21:10] [INFO ] After 756ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2022-06-02 15:21:10] [INFO ] [Nat]Absence check using 39 positive place invariants in 37 ms returned sat
[2022-06-02 15:21:10] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 22 ms returned sat
[2022-06-02 15:21:11] [INFO ] After 839ms SMT Verify possible using state equation in natural domain returned unsat :4 sat :3
[2022-06-02 15:21:12] [INFO ] Deduced a trap composed of 19 places in 196 ms of which 10 ms to minimize.
[2022-06-02 15:21:12] [INFO ] Deduced a trap composed of 20 places in 166 ms of which 4 ms to minimize.
[2022-06-02 15:21:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 468 ms
[2022-06-02 15:21:12] [INFO ] Deduced a trap composed of 7 places in 122 ms of which 2 ms to minimize.
[2022-06-02 15:21:12] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 3 ms to minimize.
[2022-06-02 15:21:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 332 ms
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 30 places in 87 ms of which 1 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 34 places in 92 ms of which 2 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 30 places in 85 ms of which 1 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 34 places in 80 ms of which 1 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 20 places in 103 ms of which 1 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Deduced a trap composed of 34 places in 74 ms of which 1 ms to minimize.
[2022-06-02 15:21:13] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 755 ms
[2022-06-02 15:21:13] [INFO ] After 2722ms SMT Verify possible using trap constraints in natural domain returned unsat :4 sat :3
Attempting to minimize the solution found.
Minimization took 281 ms.
[2022-06-02 15:21:14] [INFO ] After 3570ms SMT Verify possible using all constraints in natural domain returned unsat :4 sat :3
FORMULA DES-PT-02b-ReachabilityCardinality-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DES-PT-02b-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DES-PT-02b-ReachabilityCardinality-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DES-PT-02b-ReachabilityCardinality-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 7 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1794 ms.
Support contains 60 out of 288 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 288/288 places, 239/239 transitions.
Graph (complete) has 525 edges and 288 vertex of which 282 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.7 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions removed 4 transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 282 transition count 221
Reduce places removed 12 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 270 transition count 219
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 31 place count 268 transition count 219
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 31 place count 268 transition count 213
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 43 place count 262 transition count 213
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 55 place count 250 transition count 201
Iterating global reduction 3 with 12 rules applied. Total rules applied 67 place count 250 transition count 201
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 72 place count 245 transition count 196
Iterating global reduction 3 with 5 rules applied. Total rules applied 77 place count 245 transition count 196
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 3 with 5 rules applied. Total rules applied 82 place count 245 transition count 191
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 83 place count 244 transition count 191
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 5 with 94 rules applied. Total rules applied 177 place count 197 transition count 144
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 178 place count 197 transition count 143
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 182 place count 195 transition count 145
Free-agglomeration rule applied 5 times.
Iterating global reduction 6 with 5 rules applied. Total rules applied 187 place count 195 transition count 140
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 192 place count 190 transition count 140
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 193 place count 190 transition count 139
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 7 with 4 rules applied. Total rules applied 197 place count 190 transition count 135
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 201 place count 186 transition count 135
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 202 place count 186 transition count 134
Applied a total of 202 rules in 186 ms. Remains 186 /288 variables (removed 102) and now considering 134/239 (removed 105) transitions.
Finished structural reductions, in 1 iterations. Remains : 186/288 places, 134/239 transitions.
Incomplete random walk after 1000000 steps, including 14379 resets, run finished after 14580 ms. (steps per millisecond=68 ) properties (out of 3) seen :1
FORMULA DES-PT-02b-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000000 steps, including 2898 resets, run finished after 4217 ms. (steps per millisecond=237 ) properties (out of 2) seen :0
Interrupted Best-First random walk after 958597 steps, including 2665 resets, run timeout after 5001 ms. (steps per millisecond=191 ) properties seen 0
Running SMT prover for 2 properties.
// Phase 1: matrix 134 rows 186 cols
[2022-06-02 15:21:39] [INFO ] Computed 65 place invariants in 12 ms
[2022-06-02 15:21:39] [INFO ] After 90ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-02 15:21:40] [INFO ] [Nat]Absence check using 40 positive place invariants in 24 ms returned sat
[2022-06-02 15:21:40] [INFO ] [Nat]Absence check using 40 positive and 25 generalized place invariants in 25 ms returned sat
[2022-06-02 15:21:40] [INFO ] After 265ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-02 15:21:40] [INFO ] State equation strengthened by 3 read => feed constraints.
[2022-06-02 15:21:40] [INFO ] After 126ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-02 15:21:40] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 1 ms to minimize.
[2022-06-02 15:21:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2022-06-02 15:21:40] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 1 ms to minimize.
[2022-06-02 15:21:41] [INFO ] Deduced a trap composed of 26 places in 132 ms of which 1 ms to minimize.
[2022-06-02 15:21:41] [INFO ] Deduced a trap composed of 13 places in 124 ms of which 2 ms to minimize.
[2022-06-02 15:21:41] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 475 ms
[2022-06-02 15:21:41] [INFO ] After 841ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 130 ms.
[2022-06-02 15:21:41] [INFO ] After 1386ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 658 ms.
Support contains 43 out of 186 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 186/186 places, 134/134 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 186 transition count 132
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 184 transition count 132
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 183 transition count 131
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 183 transition count 131
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 18 place count 177 transition count 125
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 176 transition count 129
Applied a total of 20 rules in 45 ms. Remains 176 /186 variables (removed 10) and now considering 129/134 (removed 5) transitions.
Finished structural reductions, in 1 iterations. Remains : 176/186 places, 129/134 transitions.
Incomplete random walk after 1000000 steps, including 16754 resets, run finished after 15062 ms. (steps per millisecond=66 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3201 resets, run finished after 4032 ms. (steps per millisecond=248 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3098 resets, run finished after 4860 ms. (steps per millisecond=205 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 22006649 steps, run timeout after 69001 ms. (steps per millisecond=318 ) properties seen :{}
Probabilistic random walk after 22006649 steps, saw 2625271 distinct states, run finished after 69004 ms. (steps per millisecond=318 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 129 rows 176 cols
[2022-06-02 15:23:15] [INFO ] Computed 65 place invariants in 4 ms
[2022-06-02 15:23:15] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-02 15:23:15] [INFO ] [Nat]Absence check using 39 positive place invariants in 19 ms returned sat
[2022-06-02 15:23:15] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 16 ms returned sat
[2022-06-02 15:23:15] [INFO ] After 269ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-02 15:23:15] [INFO ] State equation strengthened by 6 read => feed constraints.
[2022-06-02 15:23:15] [INFO ] After 109ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-02 15:23:15] [INFO ] Deduced a trap composed of 6 places in 97 ms of which 2 ms to minimize.
[2022-06-02 15:23:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2022-06-02 15:23:15] [INFO ] After 330ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 95 ms.
[2022-06-02 15:23:15] [INFO ] After 815ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 747 ms.
Support contains 43 out of 176 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 176/176 places, 129/129 transitions.
Applied a total of 0 rules in 15 ms. Remains 176 /176 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 176/176 places, 129/129 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 176/176 places, 129/129 transitions.
Applied a total of 0 rules in 12 ms. Remains 176 /176 variables (removed 0) and now considering 129/129 (removed 0) transitions.
// Phase 1: matrix 129 rows 176 cols
[2022-06-02 15:23:16] [INFO ] Computed 65 place invariants in 3 ms
[2022-06-02 15:23:16] [INFO ] Implicit Places using invariants in 238 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 245 ms to find 1 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 175/176 places, 129/129 transitions.
Applied a total of 0 rules in 12 ms. Remains 175 /175 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 175/176 places, 129/129 transitions.
Incomplete random walk after 1000000 steps, including 16665 resets, run finished after 14058 ms. (steps per millisecond=71 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3183 resets, run finished after 3371 ms. (steps per millisecond=296 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 3100 resets, run finished after 4173 ms. (steps per millisecond=239 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 19238205 steps, run timeout after 63001 ms. (steps per millisecond=305 ) properties seen :{}
Probabilistic random walk after 19238205 steps, saw 2333891 distinct states, run finished after 63001 ms. (steps per millisecond=305 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:24:41] [INFO ] Computed 64 place invariants in 3 ms
[2022-06-02 15:24:41] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-02 15:24:41] [INFO ] [Nat]Absence check using 38 positive place invariants in 16 ms returned sat
[2022-06-02 15:24:41] [INFO ] [Nat]Absence check using 38 positive and 26 generalized place invariants in 15 ms returned sat
[2022-06-02 15:24:41] [INFO ] After 249ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-02 15:24:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2022-06-02 15:24:42] [INFO ] After 97ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 1 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 5 places in 48 ms of which 1 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 178 ms
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 0 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 1 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 1 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 1 ms to minimize.
[2022-06-02 15:24:42] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 386 ms
[2022-06-02 15:24:42] [INFO ] After 820ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 114 ms.
[2022-06-02 15:24:42] [INFO ] After 1306ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 610 ms.
Support contains 43 out of 175 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 129/129 transitions.
Applied a total of 0 rules in 12 ms. Remains 175 /175 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 129/129 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 129/129 transitions.
Applied a total of 0 rules in 11 ms. Remains 175 /175 variables (removed 0) and now considering 129/129 (removed 0) transitions.
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:24:43] [INFO ] Computed 64 place invariants in 4 ms
[2022-06-02 15:24:43] [INFO ] Implicit Places using invariants in 276 ms returned []
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:24:43] [INFO ] Computed 64 place invariants in 4 ms
[2022-06-02 15:24:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2022-06-02 15:24:44] [INFO ] Implicit Places using invariants and state equation in 405 ms returned []
Implicit Place search using SMT with State Equation took 685 ms to find 0 implicit places.
[2022-06-02 15:24:44] [INFO ] Redundant transitions in 7 ms returned []
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:24:44] [INFO ] Computed 64 place invariants in 2 ms
[2022-06-02 15:24:44] [INFO ] Dead Transitions using invariants and state equation in 177 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 129/129 transitions.
Incomplete random walk after 1000000 steps, including 16668 resets, run finished after 11805 ms. (steps per millisecond=84 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3174 resets, run finished after 3218 ms. (steps per millisecond=310 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3096 resets, run finished after 4225 ms. (steps per millisecond=236 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 17404092 steps, run timeout after 57001 ms. (steps per millisecond=305 ) properties seen :{}
Probabilistic random walk after 17404092 steps, saw 2127431 distinct states, run finished after 57002 ms. (steps per millisecond=305 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:26:00] [INFO ] Computed 64 place invariants in 6 ms
[2022-06-02 15:26:00] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-02 15:26:00] [INFO ] [Nat]Absence check using 38 positive place invariants in 13 ms returned sat
[2022-06-02 15:26:00] [INFO ] [Nat]Absence check using 38 positive and 26 generalized place invariants in 13 ms returned sat
[2022-06-02 15:26:01] [INFO ] After 179ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-02 15:26:01] [INFO ] State equation strengthened by 6 read => feed constraints.
[2022-06-02 15:26:01] [INFO ] After 69ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 1 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 8 places in 51 ms of which 0 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 0 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 1 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 0 ms to minimize.
[2022-06-02 15:26:01] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 247 ms
[2022-06-02 15:26:01] [INFO ] After 539ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 80 ms.
[2022-06-02 15:26:01] [INFO ] After 895ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 448 ms.
Support contains 43 out of 175 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 129/129 transitions.
Applied a total of 0 rules in 19 ms. Remains 175 /175 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 129/129 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 129/129 transitions.
Applied a total of 0 rules in 11 ms. Remains 175 /175 variables (removed 0) and now considering 129/129 (removed 0) transitions.
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:26:02] [INFO ] Computed 64 place invariants in 2 ms
[2022-06-02 15:26:02] [INFO ] Implicit Places using invariants in 246 ms returned []
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:26:02] [INFO ] Computed 64 place invariants in 11 ms
[2022-06-02 15:26:02] [INFO ] State equation strengthened by 6 read => feed constraints.
[2022-06-02 15:26:02] [INFO ] Implicit Places using invariants and state equation in 380 ms returned []
Implicit Place search using SMT with State Equation took 628 ms to find 0 implicit places.
[2022-06-02 15:26:02] [INFO ] Redundant transitions in 5 ms returned []
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:26:02] [INFO ] Computed 64 place invariants in 3 ms
[2022-06-02 15:26:02] [INFO ] Dead Transitions using invariants and state equation in 186 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 129/129 transitions.
Graph (complete) has 456 edges and 175 vertex of which 174 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 11 ms. Remains 174 /175 variables (removed 1) and now considering 129/129 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 129 rows 174 cols
[2022-06-02 15:26:02] [INFO ] Computed 63 place invariants in 2 ms
[2022-06-02 15:26:03] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-02 15:26:03] [INFO ] [Nat]Absence check using 37 positive place invariants in 9 ms returned sat
[2022-06-02 15:26:03] [INFO ] [Nat]Absence check using 37 positive and 26 generalized place invariants in 10 ms returned sat
[2022-06-02 15:26:03] [INFO ] After 175ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-02 15:26:03] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 0 ms to minimize.
[2022-06-02 15:26:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2022-06-02 15:26:03] [INFO ] After 371ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 107 ms.
[2022-06-02 15:26:03] [INFO ] After 571ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2022-06-02 15:26:03] [INFO ] Flatten gal took : 76 ms
[2022-06-02 15:26:03] [INFO ] Flatten gal took : 30 ms
[2022-06-02 15:26:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3960710451852665146.gal : 14 ms
[2022-06-02 15:26:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16901880263636655826.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3960710451852665146.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16901880263636655826.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...320
Loading property file /tmp/ReachabilityCardinality16901880263636655826.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 429
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :429 after 3813
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :3813 after 6513
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :6513 after 33081
Detected timeout of ITS tools.
[2022-06-02 15:26:19] [INFO ] Flatten gal took : 19 ms
[2022-06-02 15:26:19] [INFO ] Applying decomposition
[2022-06-02 15:26:19] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph3496498606368034288.txt' '-o' '/tmp/graph3496498606368034288.bin' '-w' '/tmp/graph3496498606368034288.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph3496498606368034288.bin' '-l' '-1' '-v' '-w' '/tmp/graph3496498606368034288.weights' '-q' '0' '-e' '0.001'
[2022-06-02 15:26:19] [INFO ] Decomposing Gal with order
[2022-06-02 15:26:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-02 15:26:19] [INFO ] Removed a total of 93 redundant transitions.
[2022-06-02 15:26:19] [INFO ] Flatten gal took : 81 ms
[2022-06-02 15:26:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 31 labels/synchronizations in 14 ms.
[2022-06-02 15:26:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13330294722830585849.gal : 14 ms
[2022-06-02 15:26:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5116112188995435028.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13330294722830585849.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5116112188995435028.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...299
Loading property file /tmp/ReachabilityCardinality5116112188995435028.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 49
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :49 after 105
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :105 after 383
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :383 after 677705
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1.40287e+09 after 9.57744e+10
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,7.13952e+13,1.00645,22676,3059,204,44927,1681,625,61217,136,5622,0
Total reachable state count : 71395185555083

Verifying 2 reachability properties.
Invariant property DES-PT-02b-ReachabilityCardinality-01 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-02b-ReachabilityCardinality-01,4.28367e+09,1.06765,22676,467,140,44927,1681,647,61217,145,5622,14610
Invariant property DES-PT-02b-ReachabilityCardinality-12 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-02b-ReachabilityCardinality-12,0,1.21803,22676,1,0,44927,1681,707,62523,150,5622,39985
FORMULA DES-PT-02b-ReachabilityCardinality-12 TRUE TECHNIQUES OVER_APPROXIMATION
[2022-06-02 15:26:20] [INFO ] Flatten gal took : 23 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin884165620599368688
[2022-06-02 15:26:20] [INFO ] Applying decomposition
[2022-06-02 15:26:20] [INFO ] Flatten gal took : 38 ms
[2022-06-02 15:26:20] [INFO ] Computing symmetric may disable matrix : 129 transitions.
[2022-06-02 15:26:20] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 15:26:20] [INFO ] Computing symmetric may enable matrix : 129 transitions.
[2022-06-02 15:26:20] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 15:26:20] [INFO ] Flatten gal took : 46 ms
[2022-06-02 15:26:20] [INFO ] Computing Do-Not-Accords matrix : 129 transitions.
[2022-06-02 15:26:20] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 15:26:20] [INFO ] Built C files in 81ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin884165620599368688
[2022-06-02 15:26:20] [INFO ] Input system was already deterministic with 129 transitions.
Running compilation step : cd /tmp/ltsmin884165620599368688;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph8239116433535937965.txt' '-o' '/tmp/graph8239116433535937965.bin' '-w' '/tmp/graph8239116433535937965.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph8239116433535937965.bin' '-l' '-1' '-v' '-w' '/tmp/graph8239116433535937965.weights' '-q' '0' '-e' '0.001'
[2022-06-02 15:26:20] [INFO ] Decomposing Gal with order
[2022-06-02 15:26:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-02 15:26:20] [INFO ] Removed a total of 117 redundant transitions.
[2022-06-02 15:26:20] [INFO ] Flatten gal took : 44 ms
[2022-06-02 15:26:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 20 labels/synchronizations in 10 ms.
[2022-06-02 15:26:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15108454948027436540.gal : 11 ms
[2022-06-02 15:26:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8091378822062348695.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15108454948027436540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8091378822062348695.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...299
Loading property file /tmp/ReachabilityCardinality8091378822062348695.prop.
[2022-06-02 15:26:21] [INFO ] Ran tautology test, simplified 0 / 1 in 328 ms.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 21
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :21 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 294
[2022-06-02 15:26:21] [INFO ] BMC solution for property DES-PT-02b-ReachabilityCardinality-01(UNSAT) depth K=0 took 6 ms
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :294 after 2.05914e+06
[2022-06-02 15:26:21] [INFO ] BMC solution for property DES-PT-02b-ReachabilityCardinality-01(UNSAT) depth K=1 took 13 ms
[2022-06-02 15:26:21] [INFO ] BMC solution for property DES-PT-02b-ReachabilityCardinality-01(UNSAT) depth K=2 took 45 ms
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 129 rows 175 cols
[2022-06-02 15:26:21] [INFO ] Computed 64 place invariants in 3 ms
[2022-06-02 15:26:21] [INFO ] Computed 64 place invariants in 3 ms
[2022-06-02 15:26:21] [INFO ] BMC solution for property DES-PT-02b-ReachabilityCardinality-01(UNSAT) depth K=3 took 472 ms
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.17533e+10 after 2.09339e+11
[2022-06-02 15:26:21] [INFO ] Proved 175 variables to be positive in 519 ms
[2022-06-02 15:26:21] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesDES-PT-02b-ReachabilityCardinality-01
[2022-06-02 15:26:21] [INFO ] KInduction solution for property DES-PT-02b-ReachabilityCardinality-01(SAT) depth K=0 took 39 ms
Compilation finished in 1132 ms.
Running link step : cd /tmp/ltsmin884165620599368688;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin884165620599368688;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DESPT02bReachabilityCardinality01==true'
[2022-06-02 15:26:22] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesDES-PT-02b-ReachabilityCardinality-01
[2022-06-02 15:26:22] [INFO ] KInduction solution for property DES-PT-02b-ReachabilityCardinality-01(SAT) depth K=1 took 73 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.56976e+13,1.00739,16356,1865,193,27519,1283,509,41332,131,3389,0
Total reachable state count : 35697592780031

Verifying 1 reachability properties.
Invariant property DES-PT-02b-ReachabilityCardinality-01 does not hold.
FORMULA DES-PT-02b-ReachabilityCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-02b-ReachabilityCardinality-01,2.14183e+09,1.05871,16620,361,134,27519,1283,540,41332,141,3389,5849
[2022-06-02 15:26:22] [WARNING] Interrupting SMT solver.
[2022-06-02 15:26:22] [WARNING] SMT solver unexpectedly returned 'unknown' answer, retrying.
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:587)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:306)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:171)
at java.base/java.lang.Thread.run(Thread.java:829)
[2022-06-02 15:26:22] [WARNING] Unexpected error occurred while running SMT. Was verifying DES-PT-02b-ReachabilityCardinality-01 K-induction depth 2
Exception in thread "Thread-11" java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:344)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:171)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:587)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:306)
... 2 more
[2022-06-02 15:26:22] [WARNING] SMT solver unexpectedly returned 'unknown' answer, retrying.
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:454)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:437)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:385)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:164)
at java.base/java.lang.Thread.run(Thread.java:829)
[2022-06-02 15:26:22] [WARNING] Unexpected error occurred while running SMT. Was verifying DES-PT-02b-ReachabilityCardinality-01 SMT depth 4
java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:411)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:164)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:454)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:437)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:385)
... 2 more
[2022-06-02 15:26:22] [INFO ] During BMC, SMT solver timed out at depth 4
[2022-06-02 15:26:22] [INFO ] BMC solving timed out (3600000 secs) at depth 4
[2022-06-02 15:26:22] [INFO ] SMT solved 0/ 1 properties. Interrupting SMT analysis.
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 315685 ms.

BK_STOP 1654183582803

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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=@none -Xss128m -Xms40m -Xmx8192m

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="DES-PT-02b"
export BK_EXAMINATION="ReachabilityCardinality"
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 DES-PT-02b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r042-smll-165252095700430"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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