Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812200263.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=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 2-5832
Executing tool itstools
Input is NoC3x3-PT-7B, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812200263
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.4M
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.0M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-00
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-01
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-02
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-03
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-04
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-05
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-06
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-07
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-08
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-09
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-10
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-11
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-12
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-13
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-14
FORMULA_NAME NoC3x3-PT-7B-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748848452677

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-7B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-02 07:14:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 07:14:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 07:14:14] [INFO ] Load time of PNML (sax parser for PT used): 313 ms
[2025-06-02 07:14:14] [INFO ] Transformed 7014 places.
[2025-06-02 07:14:14] [INFO ] Transformed 8833 transitions.
[2025-06-02 07:14:14] [INFO ] Found NUPN structural information;
[2025-06-02 07:14:14] [INFO ] Parsed PT model containing 7014 places and 8833 transitions and 19619 arcs in 578 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 44 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (13 resets) in 2319 ms. (17 steps per ms) remains 10/16 properties
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 490 ms. (81 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 539 ms. (74 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 10/10 properties
[2025-06-02 07:14:16] [INFO ] Flatten gal took : 730 ms
BEST_FIRST walk for 40003 steps (8 resets) in 393 ms. (101 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 428 ms. (93 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 531 ms. (75 steps per ms) remains 10/10 properties
[2025-06-02 07:14:16] [INFO ] Flatten gal took : 458 ms
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 226 ms. (176 steps per ms) remains 10/10 properties
[2025-06-02 07:14:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15335082949472557419.gal : 197 ms
[2025-06-02 07:14:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3937072357164801475.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15335082949472557419.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3937072357164801475.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
// Phase 1: matrix 8833 rows 7014 cols
[2025-06-02 07:14:17] [INFO ] Computed 66 invariants in 198 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality3937072357164801475.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/210 variables, 210/210 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/210 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 6615/6825 variables, 46/256 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6825 variables, 6615/6871 constraints. Problems are: Problem set: 0 solved, 10 unsolved
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(s1910 timeout
0.0)
(s1911 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6825/15847 variables, and 6871 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5189 ms.
Refiners :[Domain max(s): 6825/7014 constraints, Positive P Invariants (semi-flows): 46/66 constraints, State Equation: 0/7014 constraints, PredecessorRefiner: 10/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/210 variables, 210/210 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/210 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 6615/6825 variables, 46/256 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6825 variables, 6615/6871 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:25] [INFO ] Deduced a trap composed of 216 places in 315 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:25] [INFO ] Deduced a trap composed of 221 places in 185 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:26] [INFO ] Deduced a trap composed of 230 places in 204 ms of which 22 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6825/15847 variables, and 6874 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5016 ms.
Refiners :[Domain max(s): 6825/7014 constraints, Positive P Invariants (semi-flows): 46/66 constraints, State Equation: 0/7014 constraints, PredecessorRefiner: 3/7 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10701ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 210 out of 7014 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 7014/7014 places, 8833/8833 transitions.
Graph (trivial) has 7285 edges and 7014 vertex of which 2516 / 7014 are part of one of the 23 SCC in 19 ms
Free SCC test removed 2493 places
Drop transitions (Empty/Sink Transition effects.) removed 2992 transitions
Reduce isomorphic transitions removed 2992 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1583 transitions
Trivial Post-agglo rules discarded 1583 transitions
Performed 1583 trivial Post agglomeration. Transition count delta: 1583
Iterating post reduction 0 with 1583 rules applied. Total rules applied 1584 place count 4521 transition count 4258
Reduce places removed 1583 places and 0 transitions.
Ensure Unique test removed 109 transitions
Reduce isomorphic transitions removed 109 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 87 transitions
Trivial Post-agglo rules discarded 87 transitions
Performed 87 trivial Post agglomeration. Transition count delta: 87
Iterating post reduction 1 with 1779 rules applied. Total rules applied 3363 place count 2938 transition count 4062
Reduce places removed 87 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 91 rules applied. Total rules applied 3454 place count 2851 transition count 4058
Reduce places removed 1 places and 0 transitions.
Performed 144 Post agglomeration using F-continuation condition.Transition count delta: 144
Iterating post reduction 3 with 145 rules applied. Total rules applied 3599 place count 2850 transition count 3914
Reduce places removed 144 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 4 with 168 rules applied. Total rules applied 3767 place count 2706 transition count 3890
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 3775 place count 2698 transition count 3890
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 29 Pre rules applied. Total rules applied 3775 place count 2698 transition count 3861
Deduced a syphon composed of 29 places in 9 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 6 with 58 rules applied. Total rules applied 3833 place count 2669 transition count 3861
Discarding 661 places :
Symmetric choice reduction at 6 with 661 rule applications. Total rules 4494 place count 2008 transition count 3184
Iterating global reduction 6 with 661 rules applied. Total rules applied 5155 place count 2008 transition count 3184
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 6 with 26 rules applied. Total rules applied 5181 place count 2008 transition count 3158
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 9 rules applied. Total rules applied 5190 place count 2000 transition count 3157
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 5191 place count 1999 transition count 3157
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 40 Pre rules applied. Total rules applied 5191 place count 1999 transition count 3117
Deduced a syphon composed of 40 places in 10 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 9 with 80 rules applied. Total rules applied 5271 place count 1959 transition count 3117
Discarding 319 places :
Symmetric choice reduction at 9 with 319 rule applications. Total rules 5590 place count 1640 transition count 2643
Iterating global reduction 9 with 319 rules applied. Total rules applied 5909 place count 1640 transition count 2643
Ensure Unique test removed 156 transitions
Reduce isomorphic transitions removed 156 transitions.
Iterating post reduction 9 with 156 rules applied. Total rules applied 6065 place count 1640 transition count 2487
Discarding 17 places :
Symmetric choice reduction at 10 with 17 rule applications. Total rules 6082 place count 1623 transition count 2453
Iterating global reduction 10 with 17 rules applied. Total rules applied 6099 place count 1623 transition count 2453
Discarding 16 places :
Symmetric choice reduction at 10 with 16 rule applications. Total rules 6115 place count 1607 transition count 2437
Iterating global reduction 10 with 16 rules applied. Total rules applied 6131 place count 1607 transition count 2437
Discarding 15 places :
Symmetric choice reduction at 10 with 15 rule applications. Total rules 6146 place count 1592 transition count 2411
Iterating global reduction 10 with 15 rules applied. Total rules applied 6161 place count 1592 transition count 2411
Discarding 12 places :
Symmetric choice reduction at 10 with 12 rule applications. Total rules 6173 place count 1580 transition count 2387
Iterating global reduction 10 with 12 rules applied. Total rules applied 6185 place count 1580 transition count 2387
Performed 490 Post agglomeration using F-continuation condition with reduction of 46 identical transitions.
Deduced a syphon composed of 490 places in 1 ms
Reduce places removed 490 places and 0 transitions.
Iterating global reduction 10 with 980 rules applied. Total rules applied 7165 place count 1090 transition count 1851
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 10 with 52 rules applied. Total rules applied 7217 place count 1090 transition count 1799
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 7219 place count 1088 transition count 1795
Iterating global reduction 11 with 2 rules applied. Total rules applied 7221 place count 1088 transition count 1795
Performed 26 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 26 places in 2 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 11 with 52 rules applied. Total rules applied 7273 place count 1062 transition count 1768
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 7280 place count 1062 transition count 1761
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 7282 place count 1061 transition count 1760
Performed 101 Post agglomeration using F-continuation condition with reduction of 164 identical transitions.
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 12 with 202 rules applied. Total rules applied 7484 place count 960 transition count 1999
Ensure Unique test removed 116 transitions
Reduce isomorphic transitions removed 116 transitions.
Iterating post reduction 12 with 116 rules applied. Total rules applied 7600 place count 960 transition count 1883
Performed 91 Post agglomeration using F-continuation condition with reduction of 157 identical transitions.
Deduced a syphon composed of 91 places in 2 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 13 with 182 rules applied. Total rules applied 7782 place count 869 transition count 2115
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Iterating post reduction 13 with 112 rules applied. Total rules applied 7894 place count 869 transition count 2003
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -26
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 14 with 6 rules applied. Total rules applied 7900 place count 866 transition count 2029
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 7903 place count 866 transition count 2026
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 15 with 306 rules applied. Total rules applied 8209 place count 866 transition count 1720
Discarding 21 places :
Symmetric choice reduction at 15 with 21 rule applications. Total rules 8230 place count 845 transition count 1699
Iterating global reduction 15 with 21 rules applied. Total rules applied 8251 place count 845 transition count 1699
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 15 with 12 rules applied. Total rules applied 8263 place count 839 transition count 1765
Drop transitions (Redundant composition of simpler transitions.) removed 55 transitions
Redundant transition composition rules discarded 55 transitions
Iterating global reduction 15 with 55 rules applied. Total rules applied 8318 place count 839 transition count 1710
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 8321 place count 836 transition count 1707
Iterating global reduction 15 with 3 rules applied. Total rules applied 8324 place count 836 transition count 1707
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 8326 place count 836 transition count 1705
Free-agglomeration rule applied 173 times.
Iterating global reduction 15 with 173 rules applied. Total rules applied 8499 place count 836 transition count 1532
Reduce places removed 173 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Graph (complete) has 2302 edges and 663 vertex of which 660 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Iterating post reduction 15 with 197 rules applied. Total rules applied 8696 place count 660 transition count 1509
Drop transitions (Redundant composition of simpler transitions.) removed 58 transitions
Redundant transition composition rules discarded 58 transitions
Iterating global reduction 16 with 58 rules applied. Total rules applied 8754 place count 660 transition count 1451
Free-agglomeration rule applied 16 times.
Iterating global reduction 16 with 16 rules applied. Total rules applied 8770 place count 660 transition count 1435
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 16 with 16 rules applied. Total rules applied 8786 place count 644 transition count 1435
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 17 with 6 rules applied. Total rules applied 8792 place count 644 transition count 1429
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 8793 place count 644 transition count 1428
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 8794 place count 643 transition count 1428
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 18 with 2 rules applied. Total rules applied 8796 place count 643 transition count 1426
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 8798 place count 641 transition count 1426
Partial Free-agglomeration rule applied 57 times.
Drop transitions (Partial Free agglomeration) removed 57 transitions
Iterating global reduction 19 with 57 rules applied. Total rules applied 8855 place count 641 transition count 1426
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 19 with 11 rules applied. Total rules applied 8866 place count 641 transition count 1415
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 8867 place count 640 transition count 1415
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 8871 place count 640 transition count 1415
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 8872 place count 639 transition count 1414
Applied a total of 8872 rules in 2046 ms. Remains 639 /7014 variables (removed 6375) and now considering 1414/8833 (removed 7419) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2052 ms. Remains : 639/7014 places, 1414/8833 transitions.
RANDOM walk for 40000 steps (8 resets) in 571 ms. (69 steps per ms) remains 6/10 properties
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 6/6 properties
[2025-06-02 07:14:30] [INFO ] Flow matrix only has 1413 transitions (discarded 1 similar events)
// Phase 1: matrix 1413 rows 639 cols
[2025-06-02 07:14:30] [INFO ] Computed 62 invariants in 5 ms
[2025-06-02 07:14:30] [INFO ] State equation strengthened by 176 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 382/557 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/557 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 82/639 variables, 18/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/639 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1413/2052 variables, 639/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2052 variables, 176/877 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2052 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/2052 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2052/2052 variables, and 877 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1019 ms.
Refiners :[Positive P Invariants (semi-flows): 62/62 constraints, State Equation: 639/639 constraints, ReadFeed: 176/176 constraints, PredecessorRefiner: 6/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 382/557 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:31] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/557 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:31] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:31] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/557 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/557 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 82/639 variables, 18/65 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:31] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:31] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/639 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/639 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1413/2052 variables, 639/706 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2052 variables, 176/882 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2052 variables, 2/884 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2052 variables, 0/884 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 0/2052 variables, 0/884 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2052/2052 variables, and 884 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2669 ms.
Refiners :[Positive P Invariants (semi-flows): 62/62 constraints, State Equation: 639/639 constraints, ReadFeed: 176/176 constraints, PredecessorRefiner: 6/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3726ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-04 TRUE TECHNIQUES PARIKH_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-13 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 1069 ms.
Support contains 58 out of 639 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 639/639 places, 1414/1414 transitions.
Graph (trivial) has 483 edges and 639 vertex of which 116 / 639 are part of one of the 26 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 159 transitions
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 193 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 549 transition count 1209
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 27 place count 537 transition count 1207
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 30 place count 535 transition count 1206
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 19 Pre rules applied. Total rules applied 30 place count 535 transition count 1187
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 68 place count 516 transition count 1187
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 69 place count 516 transition count 1186
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 86 place count 499 transition count 1158
Iterating global reduction 4 with 17 rules applied. Total rules applied 103 place count 499 transition count 1158
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 106 place count 499 transition count 1155
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 5 with 82 rules applied. Total rules applied 188 place count 458 transition count 1114
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 15 rules applied. Total rules applied 203 place count 458 transition count 1099
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 209 place count 452 transition count 1089
Iterating global reduction 6 with 6 rules applied. Total rules applied 215 place count 452 transition count 1089
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 223 place count 452 transition count 1081
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 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 225 place count 451 transition count 1080
Performed 15 Post agglomeration using F-continuation condition with reduction of 18 identical transitions.
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 7 with 30 rules applied. Total rules applied 255 place count 436 transition count 1171
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 7 with 42 rules applied. Total rules applied 297 place count 436 transition count 1129
Drop transitions (Redundant composition of simpler transitions.) removed 148 transitions
Redundant transition composition rules discarded 148 transitions
Iterating global reduction 8 with 148 rules applied. Total rules applied 445 place count 436 transition count 981
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 446 place count 435 transition count 981
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 450 place count 431 transition count 977
Iterating global reduction 9 with 4 rules applied. Total rules applied 454 place count 431 transition count 977
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 458 place count 431 transition count 973
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 10 with 4 rules applied. Total rules applied 462 place count 429 transition count 1003
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 10 with 8 rules applied. Total rules applied 470 place count 429 transition count 995
Free-agglomeration rule applied 67 times.
Iterating global reduction 10 with 67 rules applied. Total rules applied 537 place count 429 transition count 928
Reduce places removed 67 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 40 transitions.
Graph (complete) has 1458 edges and 362 vertex of which 333 are kept as prefixes of interest. Removing 29 places using SCC suffix rule.0 ms
Discarding 29 places :
Also discarding 11 output transitions
Drop transitions (Output transitions of discarded places.) removed 11 transitions
Iterating post reduction 10 with 108 rules applied. Total rules applied 645 place count 333 transition count 877
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 11 with 26 rules applied. Total rules applied 671 place count 333 transition count 851
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 12 with 7 rules applied. Total rules applied 678 place count 333 transition count 844
Free-agglomeration rule applied 2 times.
Iterating global reduction 12 with 2 rules applied. Total rules applied 680 place count 333 transition count 842
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 3 rules applied. Total rules applied 683 place count 331 transition count 841
Partial Free-agglomeration rule applied 16 times.
Drop transitions (Partial Free agglomeration) removed 16 transitions
Iterating global reduction 13 with 16 rules applied. Total rules applied 699 place count 331 transition count 841
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 704 place count 331 transition count 836
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 705 place count 331 transition count 835
Applied a total of 705 rules in 245 ms. Remains 331 /639 variables (removed 308) and now considering 835/1414 (removed 579) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 245 ms. Remains : 331/639 places, 835/1414 transitions.
RANDOM walk for 40000 steps (8 resets) in 224 ms. (177 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 403816 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 2
Probabilistic random walk after 403816 steps, saw 298810 distinct states, run finished after 3009 ms. (steps per millisecond=134 ) properties seen :0
[2025-06-02 07:14:38] [INFO ] Flow matrix only has 829 transitions (discarded 6 similar events)
// Phase 1: matrix 829 rows 331 cols
[2025-06-02 07:14:38] [INFO ] Computed 53 invariants in 2 ms
[2025-06-02 07:14:38] [INFO ] State equation strengthened by 162 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 188/246 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/331 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 829/1160 variables, 331/384 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1160 variables, 162/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1160 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/1160 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1160/1160 variables, and 546 constraints, problems are : Problem set: 0 solved, 2 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 331/331 constraints, ReadFeed: 162/162 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 188/246 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/331 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 829/1160 variables, 331/384 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1160 variables, 162/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1160 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/1160 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1160/1160 variables, and 546 constraints, problems are : Problem set: 0 solved, 2 unsolved in 467 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 331/331 constraints, ReadFeed: 162/162 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 862ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-02 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 60 ms.
Support contains 26 out of 331 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 331/331 places, 835/835 transitions.
Graph (trivial) has 147 edges and 331 vertex of which 38 / 331 are part of one of the 15 SCC in 0 ms
Free SCC test removed 23 places
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 55 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 308 transition count 778
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 306 transition count 778
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 306 transition count 776
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 304 transition count 776
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 304 transition count 775
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 28 place count 295 transition count 766
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 33 place count 295 transition count 761
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 35 place count 293 transition count 758
Iterating global reduction 4 with 2 rules applied. Total rules applied 37 place count 293 transition count 758
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 41 place count 291 transition count 766
Drop transitions (Redundant composition of simpler transitions.) removed 119 transitions
Redundant transition composition rules discarded 119 transitions
Iterating global reduction 4 with 119 rules applied. Total rules applied 160 place count 291 transition count 647
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 168 place count 283 transition count 631
Iterating global reduction 4 with 8 rules applied. Total rules applied 176 place count 283 transition count 631
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 182 place count 283 transition count 625
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 184 place count 283 transition count 623
Free-agglomeration rule applied 21 times.
Iterating global reduction 5 with 21 rules applied. Total rules applied 205 place count 283 transition count 602
Reduce places removed 22 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 9 transitions.
Graph (complete) has 1025 edges and 261 vertex of which 247 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.1 ms
Discarding 14 places :
Also discarding 14 output transitions
Drop transitions (Output transitions of discarded places.) removed 14 transitions
Iterating post reduction 5 with 32 rules applied. Total rules applied 237 place count 247 transition count 579
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 243 place count 247 transition count 573
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 7 with 9 rules applied. Total rules applied 252 place count 247 transition count 564
Free-agglomeration rule applied 3 times.
Iterating global reduction 7 with 3 rules applied. Total rules applied 255 place count 247 transition count 561
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 259 place count 244 transition count 560
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 261 place count 244 transition count 558
Free-agglomeration rule applied 2 times.
Iterating global reduction 8 with 2 rules applied. Total rules applied 263 place count 244 transition count 556
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 962 edges and 242 vertex of which 237 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 5 rules applied. Total rules applied 268 place count 237 transition count 554
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 9 with 7 rules applied. Total rules applied 275 place count 237 transition count 547
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 279 place count 237 transition count 547
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 280 place count 237 transition count 546
Applied a total of 280 rules in 160 ms. Remains 237 /331 variables (removed 94) and now considering 546/835 (removed 289) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 237/331 places, 546/835 transitions.
RANDOM walk for 40000 steps (8 resets) in 198 ms. (201 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1047741 steps, run timeout after 3001 ms. (steps per millisecond=349 ) properties seen :0 out of 1
Probabilistic random walk after 1047741 steps, saw 158177 distinct states, run finished after 3002 ms. (steps per millisecond=349 ) properties seen :0
[2025-06-02 07:14:42] [INFO ] Flow matrix only has 542 transitions (discarded 4 similar events)
// Phase 1: matrix 542 rows 237 cols
[2025-06-02 07:14:42] [INFO ] Computed 47 invariants in 6 ms
[2025-06-02 07:14:42] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 112/138 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 99/237 variables, 27/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 542/779 variables, 237/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/779 variables, 146/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/779 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/779 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 779/779 variables, and 430 constraints, problems are : Problem set: 0 solved, 1 unsolved in 251 ms.
Refiners :[Positive P Invariants (semi-flows): 47/47 constraints, State Equation: 237/237 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 112/138 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 99/237 variables, 27/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 542/779 variables, 237/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/779 variables, 146/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/779 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:43] [INFO ] Deduced a trap composed of 14 places in 482 ms of which 26 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/779 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/779 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/779 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 779/779 variables, and 432 constraints, problems are : Problem set: 0 solved, 1 unsolved in 983 ms.
Refiners :[Positive P Invariants (semi-flows): 47/47 constraints, State Equation: 237/237 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1254ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 32 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=32 )
FORMULA NoC3x3-PT-7B-ReachabilityFireability-2025-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 17 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 29939 ms.

BK_STOP 1748848483900

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="NoC3x3-PT-7B"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5832"
echo " Executing tool itstools"
echo " Input is NoC3x3-PT-7B, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r142-tall-174876812200263"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-7B.tgz
mv NoC3x3-PT-7B execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;