fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r100-smll-174867007500158
Last Updated
June 24, 2025

About the Execution of ITS-Tools for FunctionPointer-PT-c064

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 3600000.00 0.00 0.00 T????FFFTTTTTTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007500158.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 FunctionPointer-PT-c064, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007500158
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.7M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 157K 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 91K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml

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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 FunctionPointer-PT-c064-ReachabilityCardinality-2023-07
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2023-10
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2024-12
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2024-14
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-00
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-01
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-02
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-03
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-04
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-05
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-06
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-08
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-09
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-11
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-13
FORMULA_NAME FunctionPointer-PT-c064-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748883870006

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 17:04:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 17:04:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 17:04:33] [INFO ] Load time of PNML (sax parser for PT used): 957 ms
[2025-06-02 17:04:33] [INFO ] Transformed 2826 places.
[2025-06-02 17:04:34] [INFO ] Transformed 8960 transitions.
[2025-06-02 17:04:34] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1258 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 54 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 1198 places in 60 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40019 steps (8 resets) in 5191 ms. (7 steps per ms) remains 10/11 properties
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (14 resets) in 408 ms. (97 steps per ms) remains 9/10 properties
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (16 resets) in 264 ms. (150 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (15 resets) in 231 ms. (172 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (14 resets) in 418 ms. (95 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (13 resets) in 208 ms. (191 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (15 resets) in 220 ms. (181 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (18 resets) in 197 ms. (202 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (15 resets) in 355 ms. (112 steps per ms) remains 9/9 properties
[2025-06-02 17:04:36] [INFO ] Flatten gal took : 1193 ms
BEST_FIRST walk for 40004 steps (16 resets) in 267 ms. (149 steps per ms) remains 9/9 properties
[2025-06-02 17:04:36] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-02 17:04:36] [INFO ] Computed 4 invariants in 169 ms
[2025-06-02 17:04:36] [INFO ] Flatten gal took : 353 ms
[2025-06-02 17:04:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15215203248818159051.gal : 152 ms
[2025-06-02 17:04:37] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-02 17:04:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11557686881796952623.prop : 9 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/ReachabilityCardinality15215203248818159051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11557686881796952623.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 ...330
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 522/604 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/604 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 1/605 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Loading property file /tmp/ReachabilityCardinality11557686881796952623.prop.
At refinement iteration 4 (INCLUDED_ONLY) 0/605 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 1577/2182 variables, 605/609 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2182 variables, 407/1016 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2182 variables, 0/1016 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 1746/3928 variables, 498/1514 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3928 variables, 72/1586 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3928 variables, 0/1586 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 901/4829 variables, 415/2001 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4829 variables, 0/2001 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 252/5081 variables, 87/2088 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5081/5168 variables, and 2088 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5078 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1605/1628 constraints, ReadFeed: 479/479 constraints, PredecessorRefiner: 9/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 522/604 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:43] [INFO ] Deduced a trap composed of 131 places in 395 ms of which 22 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/604 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/604 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 1/605 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/605 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 1577/2182 variables, 605/610 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2182 variables, 407/1017 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2182 variables, 1/1018 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:46] [INFO ] Deduced a trap along path composed of 3 places in 70 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:46] [INFO ] Deduced a trap along path composed of 3 places in 48 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2182/5168 variables, and 1020 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 605/1628 constraints, ReadFeed: 407/479 constraints, PredecessorRefiner: 2/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10756ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 82 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1440 are kept as prefixes of interest. Removing 188 places using SCC suffix rule.34 ms
Discarding 188 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 349 transitions
Reduce isomorphic transitions removed 349 transitions.
Iterating post reduction 0 with 349 rules applied. Total rules applied 350 place count 1440 transition count 5613
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 31
Discarding 283 places :
Symmetric choice reduction at 1 with 283 rule applications. Total rules 633 place count 1157 transition count 3401
Iterating global reduction 1 with 283 rules applied. Total rules applied 916 place count 1157 transition count 3401
Ensure Unique test removed 354 transitions
Reduce isomorphic transitions removed 354 transitions.
Iterating post reduction 1 with 354 rules applied. Total rules applied 1270 place count 1157 transition count 3047
Discarding 145 places :
Symmetric choice reduction at 2 with 145 rule applications. Total rules 1415 place count 1012 transition count 2757
Iterating global reduction 2 with 145 rules applied. Total rules applied 1560 place count 1012 transition count 2757
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 2 with 72 rules applied. Total rules applied 1632 place count 1012 transition count 2685
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1644 place count 1000 transition count 2661
Iterating global reduction 3 with 12 rules applied. Total rules applied 1656 place count 1000 transition count 2661
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1668 place count 988 transition count 2637
Iterating global reduction 3 with 12 rules applied. Total rules applied 1680 place count 988 transition count 2637
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1691 place count 977 transition count 2615
Iterating global reduction 3 with 11 rules applied. Total rules applied 1702 place count 977 transition count 2615
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1713 place count 966 transition count 2593
Iterating global reduction 3 with 11 rules applied. Total rules applied 1724 place count 966 transition count 2593
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1735 place count 955 transition count 2571
Iterating global reduction 3 with 11 rules applied. Total rules applied 1746 place count 955 transition count 2571
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 1753 place count 948 transition count 2557
Iterating global reduction 3 with 7 rules applied. Total rules applied 1760 place count 948 transition count 2557
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 1765 place count 943 transition count 2547
Iterating global reduction 3 with 5 rules applied. Total rules applied 1770 place count 943 transition count 2547
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1784 place count 929 transition count 2497
Iterating global reduction 3 with 14 rules applied. Total rules applied 1798 place count 929 transition count 2497
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1822 place count 905 transition count 2401
Iterating global reduction 3 with 24 rules applied. Total rules applied 1846 place count 905 transition count 2401
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1870 place count 881 transition count 2325
Iterating global reduction 3 with 24 rules applied. Total rules applied 1894 place count 881 transition count 2325
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 1916 place count 859 transition count 2281
Iterating global reduction 3 with 22 rules applied. Total rules applied 1938 place count 859 transition count 2281
Discarding 21 places :
Symmetric choice reduction at 3 with 21 rule applications. Total rules 1959 place count 838 transition count 2239
Iterating global reduction 3 with 21 rules applied. Total rules applied 1980 place count 838 transition count 2239
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2000 place count 818 transition count 2199
Iterating global reduction 3 with 20 rules applied. Total rules applied 2020 place count 818 transition count 2199
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 2037 place count 801 transition count 2165
Iterating global reduction 3 with 17 rules applied. Total rules applied 2054 place count 801 transition count 2165
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 2065 place count 790 transition count 2143
Iterating global reduction 3 with 11 rules applied. Total rules applied 2076 place count 790 transition count 2143
Drop transitions (Redundant composition of simpler transitions.) removed 80 transitions
Redundant transition composition rules discarded 80 transitions
Iterating global reduction 3 with 80 rules applied. Total rules applied 2156 place count 790 transition count 2063
Applied a total of 2156 rules in 2478 ms. Remains 790 /1628 variables (removed 838) and now considering 2063/5962 (removed 3899) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2495 ms. Remains : 790/1628 places, 2063/5962 transitions.
RANDOM walk for 40002 steps (8 resets) in 601 ms. (66 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 255 ms. (156 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 129 ms. (307 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 8/9 properties
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 8/8 properties
[2025-06-02 17:04:50] [INFO ] Flow matrix only has 1306 transitions (discarded 757 similar events)
// Phase 1: matrix 1306 rows 790 cols
[2025-06-02 17:04:50] [INFO ] Computed 3 invariants in 14 ms
[2025-06-02 17:04:50] [INFO ] State equation strengthened by 231 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) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 449/516 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/516 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/518 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/518 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1057/1575 variables, 518/521 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1575 variables, 226/747 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1575 variables, 0/747 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 388/1963 variables, 179/926 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1963 variables, 4/930 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1963 variables, 0/930 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 127/2090 variables, 88/1018 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2090 variables, 1/1019 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2090 variables, 0/1019 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 6/2096 variables, 5/1024 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :31 after 2059
At refinement iteration 15 (INCLUDED_ONLY) 0/2096 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 0/2096 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2096/2096 variables, and 1024 constraints, problems are : Problem set: 0 solved, 8 unsolved in 3626 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 790/790 constraints, ReadFeed: 231/231 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 449/516 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/516 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/518 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:55] [INFO ] Deduced a trap composed of 131 places in 544 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/518 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/518 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 1057/1575 variables, 518/522 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1575 variables, 226/748 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1575 variables, 1/749 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1575 variables, 0/749 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 388/1963 variables, 179/928 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1963 variables, 4/932 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1963 variables, 7/939 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:58] [INFO ] Deduced a trap along path composed of 3 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 17:04:58] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:58] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:58] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1963 variables, 4/943 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:59] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:00] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:00] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:00] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1963 variables, 4/947 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1963 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 127/2090 variables, 88/1035 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2090 variables, 1/1036 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:03] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:04] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/2090 variables, 7/1043 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:07] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/2090 variables, 1/1044 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:09] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 3 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/2090 variables, 1/1045 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/2090 variables, 0/1045 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (OVERLAPS) 6/2096 variables, 5/1050 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:13] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:14] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:14] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:15] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/2096 variables, 4/1054 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:16] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:16] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:16] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:17] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:17] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/2096 variables, 5/1059 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/2096 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (OVERLAPS) 0/2096 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2096/2096 variables, and 1059 constraints, problems are : Problem set: 0 solved, 8 unsolved in 28391 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 790/790 constraints, ReadFeed: 231/231 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 26/26 constraints]
After SMT, in 32072ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 5 different solutions.
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-09 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 18228 ms.
Support contains 65 out of 790 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 790/790 places, 2063/2063 transitions.
Graph (complete) has 3434 edges and 790 vertex of which 787 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 787 transition count 2058
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 16 place count 777 transition count 2034
Iterating global reduction 1 with 10 rules applied. Total rules applied 26 place count 777 transition count 2034
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 36 place count 777 transition count 2024
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 41 place count 772 transition count 2012
Iterating global reduction 2 with 5 rules applied. Total rules applied 46 place count 772 transition count 2012
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 769 transition count 2006
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 769 transition count 2006
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 766 transition count 2000
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 766 transition count 2000
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 764 transition count 1996
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 764 transition count 1996
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 64 place count 762 transition count 1992
Iterating global reduction 2 with 2 rules applied. Total rules applied 66 place count 762 transition count 1992
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 760 transition count 1988
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 760 transition count 1988
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 71 place count 759 transition count 1986
Iterating global reduction 2 with 1 rules applied. Total rules applied 72 place count 759 transition count 1986
Applied a total of 72 rules in 390 ms. Remains 759 /790 variables (removed 31) and now considering 1986/2063 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 390 ms. Remains : 759/790 places, 1986/2063 transitions.
RANDOM walk for 40002 steps (8 resets) in 597 ms. (66 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 108904 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :0 out of 7
Probabilistic random walk after 108904 steps, saw 70857 distinct states, run finished after 3011 ms. (steps per millisecond=36 ) properties seen :0
[2025-06-02 17:05:44] [INFO ] Flow matrix only has 1254 transitions (discarded 732 similar events)
// Phase 1: matrix 1254 rows 759 cols
[2025-06-02 17:05:44] [INFO ] Computed 3 invariants in 12 ms
[2025-06-02 17:05:44] [INFO ] State equation strengthened by 219 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) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 447/512 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/512 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/514 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/514 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1036/1550 variables, 514/517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1550 variables, 216/733 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1550 variables, 0/733 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 349/1899 variables, 167/900 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1899 variables, 3/903 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1899 variables, 0/903 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 109/2008 variables, 74/977 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2008 variables, 0/977 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 5/2013 variables, 4/981 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2013 variables, 0/981 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 0/2013 variables, 0/981 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2013/2013 variables, and 981 constraints, problems are : Problem set: 0 solved, 7 unsolved in 3175 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 759/759 constraints, ReadFeed: 219/219 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 447/512 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/512 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/514 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/514 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1036/1550 variables, 514/517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1550 variables, 216/733 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:49] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1550 variables, 1/734 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:50] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1550 variables, 1/735 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1550 variables, 0/735 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 349/1899 variables, 167/902 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1899 variables, 3/905 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1899 variables, 7/912 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:52] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:52] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1899 variables, 2/914 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1899 variables, 0/914 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 109/2008 variables, 74/988 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:55] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:55] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:55] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:55] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:56] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:56] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/2008 variables, 6/994 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2008 variables, 0/994 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 5/2013 variables, 4/998 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/2013 variables, 0/998 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 0/2013 variables, 0/998 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2013/2013 variables, and 998 constraints, problems are : Problem set: 0 solved, 7 unsolved in 14319 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 759/759 constraints, ReadFeed: 219/219 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 17546ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 6 different solutions.
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2023-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA FunctionPointer-PT-c064-ReachabilityCardinality-2025-04 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 26143 ms.
Support contains 58 out of 759 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 759/759 places, 1986/1986 transitions.
Graph (complete) has 3324 edges and 759 vertex of which 756 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 756 transition count 1981
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 753 transition count 1975
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 753 transition count 1975
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 18 place count 753 transition count 1969
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 22 place count 749 transition count 1961
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 749 transition count 1961
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 30 place count 749 transition count 1957
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 32 place count 747 transition count 1953
Iterating global reduction 3 with 2 rules applied. Total rules applied 34 place count 747 transition count 1953
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 38 place count 743 transition count 1939
Iterating global reduction 3 with 4 rules applied. Total rules applied 42 place count 743 transition count 1939
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 49 place count 736 transition count 1915
Iterating global reduction 3 with 7 rules applied. Total rules applied 56 place count 736 transition count 1915
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 63 place count 729 transition count 1901
Iterating global reduction 3 with 7 rules applied. Total rules applied 70 place count 729 transition count 1901
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 77 place count 722 transition count 1887
Iterating global reduction 3 with 7 rules applied. Total rules applied 84 place count 722 transition count 1887
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 91 place count 715 transition count 1873
Iterating global reduction 3 with 7 rules applied. Total rules applied 98 place count 715 transition count 1873
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 105 place count 708 transition count 1859
Iterating global reduction 3 with 7 rules applied. Total rules applied 112 place count 708 transition count 1859
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 119 place count 701 transition count 1845
Iterating global reduction 3 with 7 rules applied. Total rules applied 126 place count 701 transition count 1845
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 131 place count 696 transition count 1835
Iterating global reduction 3 with 5 rules applied. Total rules applied 136 place count 696 transition count 1835
Applied a total of 136 rules in 399 ms. Remains 696 /759 variables (removed 63) and now considering 1835/1986 (removed 151) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 400 ms. Remains : 696/759 places, 1835/1986 transitions.
RANDOM walk for 40007 steps (8 resets) in 501 ms. (79 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 145057 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 4
Probabilistic random walk after 145057 steps, saw 93264 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
[2025-06-02 17:06:32] [INFO ] Flow matrix only has 1146 transitions (discarded 689 similar events)
// Phase 1: matrix 1146 rows 696 cols
[2025-06-02 17:06:32] [INFO ] Computed 3 invariants in 15 ms
[2025-06-02 17:06:32] [INFO ] State equation strengthened by 193 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) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 436/494 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/496 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/496 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 974/1470 variables, 496/499 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1470 variables, 190/689 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 287/1757 variables, 139/828 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1757 variables, 3/831 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1757 variables, 0/831 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 81/1838 variables, 58/889 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1838 variables, 0/889 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 4/1842 variables, 3/892 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1842 variables, 0/892 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/1842 variables, 0/892 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1842/1842 variables, and 892 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1328 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 696/696 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 436/494 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/496 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/496 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 974/1470 variables, 496/499 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1470 variables, 190/689 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:34] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1470 variables, 1/690 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1470 variables, 0/690 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 287/1757 variables, 139/829 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1757 variables, 3/832 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1757 variables, 4/836 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:36] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1757 variables, 1/837 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1757 variables, 0/837 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 81/1838 variables, 58/895 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:37] [INFO ] Deduced a trap along path composed of 3 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:37] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:37] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:37] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:37] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:38] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:38] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1838 variables, 7/902 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1838 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 4/1842 variables, 3/905 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:39] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1842 variables, 6/911 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:06:40] [INFO ] Deduced a trap composed of 131 places in 308 ms of which 9 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1842 variables, 1/912 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1842 variables, 0/912 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 0/1842 variables, 0/912 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1842/1842 variables, and 912 constraints, problems are : Problem set: 0 solved, 4 unsolved in 8108 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 696/696 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 15/15 constraints]
After SMT, in 9490ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 58 out of 696 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 696/696 places, 1835/1835 transitions.
Applied a total of 0 rules in 135 ms. Remains 696 /696 variables (removed 0) and now considering 1835/1835 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 696/696 places, 1835/1835 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 696/696 places, 1835/1835 transitions.
Applied a total of 0 rules in 122 ms. Remains 696 /696 variables (removed 0) and now considering 1835/1835 (removed 0) transitions.
[2025-06-02 17:06:41] [INFO ] Flow matrix only has 1146 transitions (discarded 689 similar events)
[2025-06-02 17:06:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:06:42] [INFO ] Implicit Places using invariants in 859 ms returned []
[2025-06-02 17:06:42] [INFO ] Flow matrix only has 1146 transitions (discarded 689 similar events)
[2025-06-02 17:06:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:06:43] [INFO ] State equation strengthened by 193 read => feed constraints.
[2025-06-02 17:06:48] [INFO ] Implicit Places using invariants and state equation in 6180 ms returned []
Implicit Place search using SMT with State Equation took 7064 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:06:49] [INFO ] Redundant transitions in 253 ms returned []
Running 1833 sub problems to find dead transitions.
[2025-06-02 17:06:49] [INFO ] Flow matrix only has 1146 transitions (discarded 689 similar events)
[2025-06-02 17:06:49] [INFO ] Invariant cache hit.
[2025-06-02 17:06:49] [INFO ] State equation strengthened by 193 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/696 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1833 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 696/1842 variables, and 3 constraints, problems are : Problem set: 0 solved, 1833 unsolved in 30095 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/696 constraints, ReadFeed: 0/193 constraints, PredecessorRefiner: 1833/1833 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1833 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/696 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1833 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:07:46] [INFO ] Deduced a trap composed of 131 places in 250 ms of which 8 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s480 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 696/1842 variables, and 4 constraints, problems are : Problem set: 0 solved, 1833 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/696 constraints, ReadFeed: 0/193 constraints, PredecessorRefiner: 0/1833 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66086ms problems are : Problem set: 0 solved, 1833 unsolved
Search for dead transitions found 0 dead transitions in 66110ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73583 ms. Remains : 696/696 places, 1835/1835 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 689 transitions
Reduce isomorphic transitions removed 689 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 725 rules applied. Total rules applied 725 place count 696 transition count 1110
Reduce places removed 36 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 37 rules applied. Total rules applied 762 place count 660 transition count 1109
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 763 place count 659 transition count 1109
Performed 156 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 156 Pre rules applied. Total rules applied 763 place count 659 transition count 953
Deduced a syphon composed of 156 places in 1 ms
Reduce places removed 156 places and 0 transitions.
Iterating global reduction 3 with 312 rules applied. Total rules applied 1075 place count 503 transition count 953
Performed 132 Post agglomeration using F-continuation condition.Transition count delta: 132
Deduced a syphon composed of 132 places in 0 ms
Reduce places removed 132 places and 0 transitions.
Iterating global reduction 3 with 264 rules applied. Total rules applied 1339 place count 371 transition count 821
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 1396 place count 314 transition count 707
Iterating global reduction 3 with 57 rules applied. Total rules applied 1453 place count 314 transition count 707
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1456 place count 314 transition count 704
Discarding 52 places :
Symmetric choice reduction at 4 with 52 rule applications. Total rules 1508 place count 262 transition count 600
Iterating global reduction 4 with 52 rules applied. Total rules applied 1560 place count 262 transition count 600
Discarding 49 places :
Symmetric choice reduction at 4 with 49 rule applications. Total rules 1609 place count 213 transition count 502
Iterating global reduction 4 with 49 rules applied. Total rules applied 1658 place count 213 transition count 502
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 4 with 45 rules applied. Total rules applied 1703 place count 213 transition count 457
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 5 with 2 rules applied. Total rules applied 1705 place count 212 transition count 456
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 5 with 40 rules applied. Total rules applied 1745 place count 192 transition count 459
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 5 with 24 rules applied. Total rules applied 1769 place count 192 transition count 435
Free-agglomeration rule applied 15 times.
Iterating global reduction 5 with 15 rules applied. Total rules applied 1784 place count 192 transition count 420
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 18 rules applied. Total rules applied 1802 place count 177 transition count 417
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 1803 place count 177 transition count 416
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 1804 place count 177 transition count 415
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1805 place count 176 transition count 415
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 1806 place count 176 transition count 414
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 1808 place count 176 transition count 414
Applied a total of 1808 rules in 225 ms. Remains 176 /696 variables (removed 520) and now considering 414/1835 (removed 1421) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 414 rows 176 cols
[2025-06-02 17:07:55] [INFO ] Computed 3 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 17:07:55] [INFO ] After 103ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 17:07:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 17:07:56] [INFO ] After 215ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2025-06-02 17:07:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 17:07:56] [INFO ] After 99ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-06-02 17:07:56] [INFO ] After 237ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-06-02 17:07:56] [INFO ] After 665ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2025-06-02 17:07:56] [INFO ] Flatten gal took : 25 ms
[2025-06-02 17:07:56] [INFO ] Flatten gal took : 19 ms
[2025-06-02 17:07:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3045547821172730711.gal : 10 ms
[2025-06-02 17:07:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17635406191378989534.prop : 0 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/ReachabilityCardinality3045547821172730711.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17635406191378989534.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
Loading property file /tmp/ReachabilityCardinality17635406191378989534.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :13 after 84
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :84 after 924
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :924 after 18563
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :18563 after 457470
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :457470 after 1.58907e+07
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :1.58907e+07 after 5.44665e+09
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5.44665e+09 after 1.82194e+13
Detected timeout of ITS tools.
[2025-06-02 17:08:11] [INFO ] Flatten gal took : 16 ms
[2025-06-02 17:08:11] [INFO ] Applying decomposition
[2025-06-02 17:08:11] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8875787169615882333.txt' '-o' '/tmp/graph8875787169615882333.bin' '-w' '/tmp/graph8875787169615882333.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8875787169615882333.bin' '-l' '-1' '-v' '-w' '/tmp/graph8875787169615882333.weights' '-q' '0' '-e' '0.001'
[2025-06-02 17:08:11] [INFO ] Decomposing Gal with order
[2025-06-02 17:08:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 17:08:12] [INFO ] Removed a total of 330 redundant transitions.
[2025-06-02 17:08:12] [INFO ] Flatten gal took : 195 ms
[2025-06-02 17:08:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 104 labels/synchronizations in 19 ms.
[2025-06-02 17:08:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11344176832226892605.gal : 7 ms
[2025-06-02 17:08:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2273091459912736588.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/ReachabilityCardinality11344176832226892605.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2273091459912736588.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
Loading property file /tmp/ReachabilityCardinality2273091459912736588.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 11
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :11 after 71
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :71 after 132
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :132 after 808
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :808 after 170544
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :170544 after 5.65723e+08
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5.65723e+08 after 1.57558e+12
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.57558e+12 after 1.22483e+17
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.22483e+17 after 4.19332e+18
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31983 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 17:08:28] [INFO ] Flatten gal took : 401 ms
[2025-06-02 17:08:28] [INFO ] Applying decomposition
[2025-06-02 17:08:28] [INFO ] Flatten gal took : 298 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9596331550422465280.txt' '-o' '/tmp/graph9596331550422465280.bin' '-w' '/tmp/graph9596331550422465280.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9596331550422465280.bin' '-l' '-1' '-v' '-w' '/tmp/graph9596331550422465280.weights' '-q' '0' '-e' '0.001'
[2025-06-02 17:08:29] [INFO ] Decomposing Gal with order
[2025-06-02 17:08:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 17:08:29] [INFO ] Removed a total of 726 redundant transitions.
[2025-06-02 17:08:29] [INFO ] Flatten gal took : 416 ms
[2025-06-02 17:08:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 524 labels/synchronizations in 77 ms.
[2025-06-02 17:08:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16455615741585963279.gal : 29 ms
[2025-06-02 17:08:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7787742243264265328.prop : 0 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/ReachabilityCardinality16455615741585963279.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7787742243264265328.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
Loading property file /tmp/ReachabilityCardinality7787742243264265328.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :31 after 2001
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :2001 after 1.30062e+06
Detected timeout of ITS tools.
[2025-06-02 17:38:38] [INFO ] Flatten gal took : 2457 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12097947088626129284
[2025-06-02 17:38:40] [INFO ] Too many transitions (1835) to apply POR reductions. Disabling POR matrices.
[2025-06-02 17:38:40] [INFO ] Applying decomposition
[2025-06-02 17:38:41] [INFO ] Flatten gal took : 1111 ms
[2025-06-02 17:38:41] [INFO ] Built C files in 1559ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12097947088626129284
Running compilation step : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '180' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 8260 ms.
Running link step : cd /tmp/ltsmin12097947088626129284;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 134 ms.
Running LTSmin : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202500==true'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15545745499323577635.txt' '-o' '/tmp/graph15545745499323577635.bin' '-w' '/tmp/graph15545745499323577635.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15545745499323577635.bin' '-l' '-1' '-v' '-w' '/tmp/graph15545745499323577635.weights' '-q' '0' '-e' '0.001'
[2025-06-02 17:38:52] [INFO ] Decomposing Gal with order
[2025-06-02 17:38:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 17:38:54] [INFO ] Removed a total of 1737 redundant transitions.
[2025-06-02 17:38:55] [INFO ] Flatten gal took : 2521 ms
[2025-06-02 17:38:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 652 labels/synchronizations in 105 ms.
[2025-06-02 17:38:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14573165979358960411.gal : 15 ms
[2025-06-02 17:38:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9286553842829882794.prop : 0 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/ReachabilityCardinality14573165979358960411.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9286553842829882794.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
Loading property file /tmp/ReachabilityCardinality9286553842829882794.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :31 after 1978
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :1978 after 1.21014e+06
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :1.21014e+06 after 3.46815e+10
WARNING : LTSmin timed out (>225 s) on command cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202500==true'
Running LTSmin : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202310==true'
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :3.46815e+10 after 4.8101e+17
WARNING : LTSmin timed out (>225 s) on command cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202310==true'
Running LTSmin : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202412==true'
WARNING : LTSmin timed out (>225 s) on command cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202412==true'
Running LTSmin : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202414==true'
WARNING : LTSmin timed out (>225 s) on command cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202414==true'
Retrying LTSmin with larger timeout 7200 s
Running LTSmin : cd /tmp/ltsmin12097947088626129284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc064ReachabilityCardinality202500==true'

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="FunctionPointer-PT-c064"
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 2-5832"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-c064, 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 r100-smll-174867007500158"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c064.tgz
mv FunctionPointer-PT-c064 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.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 ;