About the Execution of ITS-Tools for BridgeAndVehicles-COL-V50P50N10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 2100437.00 | 0.00 | 0.00 | 50 50 1 50 10 1 10 50 50 1 1 1 1 1 1 50 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764700253.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 BridgeAndVehicles-COL-V50P50N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764700253
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K 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 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 42K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748826653815
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2025-06-02 01:10:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 01:10:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 01:10:56] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 01:10:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 01:10:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1221 ms
[2025-06-02 01:10:57] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 128 PT places and 114798.0 transition bindings in 41 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Reduction of identical properties reduced properties to check from 16 to 10
[2025-06-02 01:10:57] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 7 ms.
[2025-06-02 01:10:57] [INFO ] Skeletonized 10 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-02 01:10:57] [INFO ] Computed 4 invariants in 5 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[50, 0, 1, 0, 0, 0, 0, 0, 1, 1] Max Struct:[50, 50, 1, 50, 1, 50, 50, 50, 1, 1]
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-02 01:10:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 5 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 01:10:58] [INFO ] Added : 0 causal constraints over 0 iterations in 20 ms. Result :sat
Minimization took 15 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 01:10:58] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 01:10:58] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 4 ms.
[2025-06-02 01:10:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 01:10:58] [INFO ] Added : 1 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 01:10:58] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 01:10:58] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2025-06-02 01:10:58] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-02 01:10:58] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 01:10:58] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 1, 50, 50, 50]
Arc [1:1*[(MOD (ADD $cA 1) 51)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 51) 51) 51)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2025-06-02 01:10:58] [INFO ] Unfolded HLPN to a Petri net with 128 places and 1328 transitions 10010 arcs in 145 ms.
[2025-06-02 01:10:58] [INFO ] Unfolded 6 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 1, 50, 50, 50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 1, 50, 50, 50]
[2025-06-02 01:10:58] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 128 cols
[2025-06-02 01:10:58] [INFO ] Computed 7 invariants in 27 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 1, 50, 50, 50]
RANDOM walk for 10000 steps (22 resets) in 439 ms. (22 steps per ms)
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-08 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (17 resets) in 71 ms. (277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 6] Max Struct:[50, 50]
[2025-06-02 01:10:59] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2025-06-02 01:10:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:59] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 01:10:59] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2025-06-02 01:10:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:10:59] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2025-06-02 01:10:59] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2025-06-02 01:10:59] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-02 01:11:00] [INFO ] [Nat]Added 22 Read/Feed constraints in 49 ms returned sat
[2025-06-02 01:11:00] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 137 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:11:00] [INFO ] Deduced a trap composed of 5 places in 379 ms of which 17 ms to minimize.
[2025-06-02 01:11:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 457 ms
[2025-06-02 01:11:00] [INFO ] Added : 10 causal constraints over 2 iterations in 775 ms. Result :sat
Minimization took 307 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:11:01] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 01:11:01] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2025-06-02 01:11:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:11:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 01:11:01] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2025-06-02 01:11:01] [INFO ] [Nat]Added 22 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:11:02] [INFO ] Deduced a trap composed of 6 places in 455 ms of which 16 ms to minimize.
[2025-06-02 01:11:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 493 ms
[2025-06-02 01:11:02] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 81 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:11:02] [INFO ] Deduced a trap composed of 14 places in 381 ms of which 18 ms to minimize.
[2025-06-02 01:11:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 431 ms
[2025-06-02 01:11:02] [INFO ] Added : 12 causal constraints over 10 iterations in 803 ms. Result :sat
Minimization took 142 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 6] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 6] Max Struct:[50, 50]
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Graph (complete) has 1222 edges and 128 vertex of which 126 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.14 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 280 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2025-06-02 01:11:04] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2025-06-02 01:11:04] [INFO ] Computed 5 invariants in 8 ms
[2025-06-02 01:11:04] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:11:17] [INFO ] Deduced a trap composed of 5 places in 304 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:11:27] [INFO ] Deduced a trap composed of 14 places in 277 ms of which 5 ms to minimize.
Problem TDEAD728 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD730 is UNSAT
Problem TDEAD731 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD742 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD753 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD764 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD775 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/376 variables, and 7 constraints, problems are : Problem set: 50 solved, 1275 unsolved in 20157 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1325/1124 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 50 solved, 1275 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 50 solved, 1275 unsolved
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 126/376 variables, and 7 constraints, problems are : Problem set: 100 solved, 1225 unsolved in 20065 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 151/1124 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44782ms problems are : Problem set: 100 solved, 1225 unsolved
Search for dead transitions found 100 dead transitions in 44818ms
Found 100 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 100 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 100 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 126/128 places, 1228/1328 transitions.
Applied a total of 0 rules in 102 ms. Remains 126 /126 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45238 ms. Remains : 126/128 places, 1228/1328 transitions.
[2025-06-02 01:11:49] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
// Phase 1: matrix 248 rows 126 cols
[2025-06-02 01:11:49] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 6] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (2273 resets) in 6898 ms. (144 steps per ms)
BEST_FIRST walk for 2000001 steps (1683 resets) in 4924 ms. (406 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2025-06-02 01:12:01] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:01] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:12:01] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2025-06-02 01:12:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:12:01] [INFO ] [Real]Added 20 Read/Feed constraints in 16 ms returned sat
[2025-06-02 01:12:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:01] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-02 01:12:01] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2025-06-02 01:12:01] [INFO ] [Nat]Added 20 Read/Feed constraints in 31 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:12:02] [INFO ] Deduced a trap composed of 5 places in 423 ms of which 16 ms to minimize.
[2025-06-02 01:12:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 459 ms
[2025-06-02 01:12:02] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 135 transitions) in 56 ms.
[2025-06-02 01:12:02] [INFO ] Added : 11 causal constraints over 3 iterations in 261 ms. Result :sat
Minimization took 205 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:02] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:12:02] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2025-06-02 01:12:02] [INFO ] [Real]Added 20 Read/Feed constraints in 39 ms returned sat
[2025-06-02 01:12:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2025-06-02 01:12:03] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2025-06-02 01:12:03] [INFO ] [Nat]Added 20 Read/Feed constraints in 49 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:12:03] [INFO ] Deduced a trap composed of 5 places in 326 ms of which 8 ms to minimize.
[2025-06-02 01:12:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 370 ms
[2025-06-02 01:12:03] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 135 transitions) in 49 ms.
[2025-06-02 01:12:03] [INFO ] Added : 12 causal constraints over 10 iterations in 433 ms. Result :sat
Minimization took 205 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1228/1228 transitions.
Applied a total of 0 rules in 86 ms. Remains 126 /126 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 126/126 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1228/1228 transitions.
Applied a total of 0 rules in 109 ms. Remains 126 /126 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2025-06-02 01:12:05] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:12:05] [INFO ] Implicit Places using invariants in 602 ms returned []
[2025-06-02 01:12:05] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:12:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:12:07] [INFO ] Implicit Places using invariants and state equation in 2142 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2754 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 124/126 places, 1228/1228 transitions.
Applied a total of 0 rules in 121 ms. Remains 124 /124 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2995 ms. Remains : 124/126 places, 1228/1228 transitions.
[2025-06-02 01:12:07] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
// Phase 1: matrix 248 rows 124 cols
[2025-06-02 01:12:07] [INFO ] Computed 5 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000002 steps (2273 resets) in 6133 ms. (163 steps per ms)
BEST_FIRST walk for 2000006 steps (1677 resets) in 4342 ms. (460 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2025-06-02 01:12:18] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:18] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:12:18] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2025-06-02 01:12:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:18] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2025-06-02 01:12:18] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-02 01:12:18] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:12:18] [INFO ] [Nat]Added 20 Read/Feed constraints in 34 ms returned sat
[2025-06-02 01:12:18] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 135 transitions) in 37 ms.
[2025-06-02 01:12:19] [INFO ] Added : 11 causal constraints over 3 iterations in 171 ms. Result :sat
Minimization took 201 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:19] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2025-06-02 01:12:19] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2025-06-02 01:12:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:12:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-02 01:12:19] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-02 01:12:19] [INFO ] [Nat]Added 20 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:12:19] [INFO ] Deduced a trap composed of 5 places in 316 ms of which 5 ms to minimize.
[2025-06-02 01:12:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 352 ms
[2025-06-02 01:12:20] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 135 transitions) in 41 ms.
[2025-06-02 01:12:20] [INFO ] Added : 12 causal constraints over 10 iterations in 416 ms. Result :sat
Minimization took 136 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1228/1228 transitions.
Applied a total of 0 rules in 62 ms. Remains 124 /124 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 124/124 places, 1228/1228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1228/1228 transitions.
Applied a total of 0 rules in 62 ms. Remains 124 /124 variables (removed 0) and now considering 1228/1228 (removed 0) transitions.
[2025-06-02 01:12:21] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:12:21] [INFO ] Implicit Places using invariants in 514 ms returned []
[2025-06-02 01:12:21] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:12:22] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:12:22] [INFO ] Implicit Places using invariants and state equation in 926 ms returned []
Implicit Place search using SMT with State Equation took 1449 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:12:22] [INFO ] Redundant transitions in 88 ms returned []
Running 1225 sub problems to find dead transitions.
[2025-06-02 01:12:22] [INFO ] Flow matrix only has 248 transitions (discarded 980 similar events)
[2025-06-02 01:12:22] [INFO ] Invariant cache hit.
[2025-06-02 01:12:22] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1225 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:12:35] [INFO ] Deduced a trap composed of 5 places in 346 ms of which 9 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 124/372 variables, and 6 constraints, problems are : Problem set: 0 solved, 1225 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1225/1224 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1225 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1225 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 3 (OVERLAPS) 248/372 variables, 124/130 constraints. Problems are: Problem set: 2 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/372 variables, 20/150 constraints. Problems are: Problem set: 2 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1372 constraints, problems are : Problem set: 2 solved, 1223 unsolved in 31784 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1224 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65559ms problems are : Problem set: 2 solved, 1223 unsolved
Search for dead transitions found 2 dead transitions in 65565ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 124/124 places, 1226/1228 transitions.
Applied a total of 0 rules in 130 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:13:28] [INFO ] Redundant transitions in 30 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 67351 ms. Remains : 124/124 places, 1226/1228 transitions.
[2025-06-02 01:13:28] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2025-06-02 01:13:28] [INFO ] Computed 5 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (2273 resets) in 6166 ms. (162 steps per ms)
BEST_FIRST walk for 2000002 steps (1683 resets) in 4340 ms. (460 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2025-06-02 01:13:39] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:13:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:13:39] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:13:39] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2025-06-02 01:13:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:13:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:13:39] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2025-06-02 01:13:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:13:39] [INFO ] [Nat]Added 20 Read/Feed constraints in 42 ms returned sat
[2025-06-02 01:13:39] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 60 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:13:41] [INFO ] Deduced a trap composed of 14 places in 349 ms of which 14 ms to minimize.
[2025-06-02 01:13:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 415 ms
[2025-06-02 01:13:41] [INFO ] Added : 10 causal constraints over 2 iterations in 1593 ms. Result :sat
Minimization took 184 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:13:41] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:13:41] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2025-06-02 01:13:41] [INFO ] [Real]Added 20 Read/Feed constraints in 27 ms returned sat
[2025-06-02 01:13:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:13:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:13:41] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2025-06-02 01:13:41] [INFO ] [Nat]Added 20 Read/Feed constraints in 39 ms returned sat
[2025-06-02 01:13:42] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 46 ms.
[2025-06-02 01:13:42] [INFO ] Added : 12 causal constraints over 10 iterations in 376 ms. Result :sat
Minimization took 326 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 64 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 62 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2025-06-02 01:13:43] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:13:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:13:43] [INFO ] Implicit Places using invariants in 356 ms returned []
[2025-06-02 01:13:43] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:13:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:13:43] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:13:44] [INFO ] Implicit Places using invariants and state equation in 916 ms returned []
Implicit Place search using SMT with State Equation took 1278 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:13:44] [INFO ] Redundant transitions in 130 ms returned []
Running 1223 sub problems to find dead transitions.
[2025-06-02 01:13:44] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:13:44] [INFO ] Invariant cache hit.
[2025-06-02 01:13:44] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:13:56] [INFO ] Deduced a trap composed of 5 places in 322 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 124/370 variables, and 6 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1372 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 31594 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64525ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 64531ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66014 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40001 steps (88 resets) in 1541 ms. (25 steps per ms) remains 4/4 properties
[2025-06-02 01:14:50] [INFO ] Flatten gal took : 468 ms
BEST_FIRST walk for 40002 steps (32 resets) in 680 ms. (58 steps per ms) remains 4/4 properties
[2025-06-02 01:14:50] [INFO ] Flatten gal took : 177 ms
[2025-06-02 01:14:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13681834377207158435.gal : 81 ms
[2025-06-02 01:14:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16175870809766043837.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/ReachabilityCardinality13681834377207158435.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16175870809766043837.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
BEST_FIRST walk for 40004 steps (32 resets) in 667 ms. (59 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 481 ms. (82 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality16175870809766043837.prop.
BEST_FIRST walk for 40002 steps (32 resets) in 444 ms. (89 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :2 after 8
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :8 after 32
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :32 after 67
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :67 after 168
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :168 after 562
Interrupted probabilistic random walk after 219490 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 4
Probabilistic random walk after 219490 steps, saw 60501 distinct states, run finished after 3010 ms. (steps per millisecond=72 ) properties seen :0
[2025-06-02 01:14:53] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:14:53] [INFO ] Invariant cache hit.
[2025-06-02 01:14:53] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :562 after 859
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 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 01:14:54] [INFO ] Deduced a trap composed of 5 places in 190 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 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 01:14:55] [INFO ] Deduced a trap composed of 5 places in 278 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:14:55] [INFO ] Deduced a trap composed of 5 places in 288 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 152 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2401 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :859 after 3640
At refinement iteration 17 (INCLUDED_ONLY) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 156 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7429ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 67 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2025-06-02 01:15:01] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:15:01] [INFO ] Invariant cache hit.
[2025-06-02 01:15:01] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :3640 after 16338
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:15:13] [INFO ] Deduced a trap composed of 5 places in 338 ms of which 6 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :32724 after 33338
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :33338 after 34996
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 124/370 variables, and 6 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Detected timeout of ITS tools.
[2025-06-02 01:15:40] [INFO ] Flatten gal took : 98 ms
[2025-06-02 01:15:40] [INFO ] Applying decomposition
[2025-06-02 01:15:40] [INFO ] Flatten gal took : 76 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/graph11338334968537974067.txt' '-o' '/tmp/graph11338334968537974067.bin' '-w' '/tmp/graph11338334968537974067.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11338334968537974067.bin' '-l' '-1' '-v' '-w' '/tmp/graph11338334968537974067.weights' '-q' '0' '-e' '0.001'
[2025-06-02 01:15:41] [INFO ] Decomposing Gal with order
[2025-06-02 01:15:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 01:15:41] [INFO ] Removed a total of 2633 redundant transitions.
[2025-06-02 01:15:42] [INFO ] Flatten gal took : 660 ms
[2025-06-02 01:15:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 384 labels/synchronizations in 69 ms.
[2025-06-02 01:15:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6237415399070094725.gal : 10 ms
[2025-06-02 01:15:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2220039338785887779.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/ReachabilityCardinality6237415399070094725.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2220039338785887779.prop' '--nowitness'
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 ...307
Loading property file /tmp/ReachabilityCardinality2220039338785887779.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 17
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :17 after 26
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :26 after 43
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :43 after 76
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :76 after 141
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :141 after 5163
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5163 after 12903
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :12903 after 38352
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :38352 after 84718
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 124/370 variables, and 6 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43340ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 43349ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43424 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40001 steps (88 resets) in 595 ms. (67 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (32 resets) in 317 ms. (125 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40000 steps (32 resets) in 251 ms. (158 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (32 resets) in 226 ms. (176 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 203 ms. (196 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :145776 after 234851
Interrupted probabilistic random walk after 267355 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 4
Probabilistic random walk after 267355 steps, saw 73538 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2025-06-02 01:15:48] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:15:48] [INFO ] Invariant cache hit.
[2025-06-02 01:15:48] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 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 01:15:48] [INFO ] Deduced a trap composed of 5 places in 287 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 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 01:15:49] [INFO ] Deduced a trap composed of 5 places in 367 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:15:50] [INFO ] Deduced a trap composed of 5 places in 361 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 152 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3112 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 156 constraints, problems are : Problem set: 0 solved, 4 unsolved in 7428 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10552ms problems are : Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :592955 after 900337
Parikh walk visited 0 properties in 921 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 61 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 61 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2025-06-02 01:15:59] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:15:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:16:00] [INFO ] Implicit Places using invariants in 318 ms returned []
[2025-06-02 01:16:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:16:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:16:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:16:00] [INFO ] Implicit Places using invariants and state equation in 752 ms returned []
Implicit Place search using SMT with State Equation took 1073 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:16:00] [INFO ] Redundant transitions in 19 ms returned []
Running 1223 sub problems to find dead transitions.
[2025-06-02 01:16:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:16:00] [INFO ] Invariant cache hit.
[2025-06-02 01:16:00] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:16:10] [INFO ] Deduced a trap composed of 5 places in 200 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 124/370 variables, and 6 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1372 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 31487 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64453ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 64457ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65622 ms. Remains : 124/124 places, 1226/1226 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 10] Max Struct:[50, 50]
Starting property specific reduction for BridgeAndVehicles-COL-V50P50N10-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2025-06-02 01:17:05] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:17:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (22 resets) in 61 ms. (161 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 24 ms. (400 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2025-06-02 01:17:05] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:17:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:17:05] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-02 01:17:05] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-02 01:17:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:17:05] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2025-06-02 01:17:05] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2025-06-02 01:17:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:17:05] [INFO ] [Nat]Added 20 Read/Feed constraints in 24 ms returned sat
[2025-06-02 01:17:05] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 26 ms.
[2025-06-02 01:17:06] [INFO ] Added : 10 causal constraints over 2 iterations in 1074 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 72 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:17:07] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2025-06-02 01:17:07] [INFO ] Computed 5 invariants in 3 ms
[2025-06-02 01:17:07] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:17:17] [INFO ] Deduced a trap composed of 5 places in 269 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42833ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 42836ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42910 ms. Remains : 123/124 places, 1225/1226 transitions.
[2025-06-02 01:17:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:17:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 6337 ms. (157 steps per ms)
BEST_FIRST walk for 1000001 steps (1086 resets) in 2702 ms. (369 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2025-06-02 01:17:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:17:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:17:58] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2025-06-02 01:17:59] [INFO ] [Real]Absence check using state equation in 113 ms returned sat
[2025-06-02 01:17:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:17:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-02 01:17:59] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-02 01:17:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:17:59] [INFO ] [Nat]Added 20 Read/Feed constraints in 28 ms returned sat
[2025-06-02 01:17:59] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 70 ms.
[2025-06-02 01:17:59] [INFO ] Added : 10 causal constraints over 2 iterations in 218 ms. Result :sat
Minimization took 251 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 67 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 71 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2025-06-02 01:18:00] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:18:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:18:00] [INFO ] Implicit Places using invariants in 485 ms returned []
[2025-06-02 01:18:00] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:18:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:18:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:18:02] [INFO ] Implicit Places using invariants and state equation in 1436 ms returned []
Implicit Place search using SMT with State Equation took 1929 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:18:02] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:18:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:18:02] [INFO ] Invariant cache hit.
[2025-06-02 01:18:02] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:18:11] [INFO ] Deduced a trap composed of 5 places in 231 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 63334ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63338ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65365 ms. Remains : 123/123 places, 1225/1225 transitions.
[2025-06-02 01:19:05] [INFO ] Flatten gal took : 162 ms
RANDOM walk for 40000 steps (104 resets) in 759 ms. (52 steps per ms) remains 2/2 properties
[2025-06-02 01:19:05] [INFO ] Flatten gal took : 173 ms
BEST_FIRST walk for 40005 steps (41 resets) in 345 ms. (115 steps per ms) remains 2/2 properties
[2025-06-02 01:19:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8722088804643119308.gal : 118 ms
[2025-06-02 01:19:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6592711628754914020.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/ReachabilityCardinality8722088804643119308.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6592711628754914020.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 ...328
BEST_FIRST walk for 40009 steps (40 resets) in 458 ms. (87 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6592711628754914020.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 100
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :100 after 233
Interrupted probabilistic random walk after 275873 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 2
Probabilistic random walk after 275873 steps, saw 76669 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2025-06-02 01:19:09] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:19:09] [INFO ] Invariant cache hit.
[2025-06-02 01:19:09] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:19:09] [INFO ] Deduced a trap composed of 5 places in 231 ms of which 10 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :233 after 566
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 981 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :566 after 1013
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2282 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3274ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 619 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 65 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:19:13] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:19:13] [INFO ] Invariant cache hit.
[2025-06-02 01:19:13] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1013 after 3956
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:19:25] [INFO ] Deduced a trap composed of 5 places in 260 ms of which 4 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :32724 after 32735
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :32735 after 33348
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :33348 after 34963
Detected timeout of ITS tools.
[2025-06-02 01:19:56] [INFO ] Flatten gal took : 58 ms
[2025-06-02 01:19:56] [INFO ] Applying decomposition
[2025-06-02 01:19:56] [INFO ] Flatten gal took : 70 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/graph3299489526653942668.txt' '-o' '/tmp/graph3299489526653942668.bin' '-w' '/tmp/graph3299489526653942668.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3299489526653942668.bin' '-l' '-1' '-v' '-w' '/tmp/graph3299489526653942668.weights' '-q' '0' '-e' '0.001'
[2025-06-02 01:19:56] [INFO ] Decomposing Gal with order
[2025-06-02 01:19:56] [INFO ] Rewriting arrays to variables to allow decomposition.
Error getting values : (error "ParserException while parsing response: ((s0 50)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 1)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 1)
(s53 0)
(s54 1)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43563ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43567ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43635 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 915 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (43 resets) in 338 ms. (118 steps per ms) remains 2/2 properties
[2025-06-02 01:19:57] [INFO ] Removed a total of 2786 redundant transitions.
BEST_FIRST walk for 40004 steps (40 resets) in 476 ms. (83 steps per ms) remains 2/2 properties
[2025-06-02 01:19:57] [INFO ] Flatten gal took : 424 ms
[2025-06-02 01:19:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 465 labels/synchronizations in 29 ms.
[2025-06-02 01:19:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7042322366699205075.gal : 3 ms
[2025-06-02 01:19:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7527709501857261564.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/ReachabilityCardinality7042322366699205075.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7527709501857261564.prop' '--nowitness'
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 ...307
Loading property file /tmp/ReachabilityCardinality7527709501857261564.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 20
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :20 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 45
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :45 after 62
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :62 after 95
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :95 after 1098
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1098 after 15892
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :15892 after 72740
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :72740 after 123966
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :492797 after 520031
Interrupted probabilistic random walk after 286751 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 2
Probabilistic random walk after 286751 steps, saw 79588 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2025-06-02 01:20:00] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:20:00] [INFO ] Invariant cache hit.
[2025-06-02 01:20:00] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:20:00] [INFO ] Deduced a trap composed of 5 places in 283 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1090 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2398 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3504ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 523 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 58 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 57 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2025-06-02 01:20:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:20:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:20:04] [INFO ] Implicit Places using invariants in 435 ms returned []
[2025-06-02 01:20:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:20:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:20:04] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:20:05] [INFO ] Implicit Places using invariants and state equation in 1139 ms returned []
Implicit Place search using SMT with State Equation took 1577 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:20:05] [INFO ] Redundant transitions in 21 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:20:05] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:20:05] [INFO ] Invariant cache hit.
[2025-06-02 01:20:05] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:20:16] [INFO ] Deduced a trap composed of 5 places in 272 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5.03818e+06 after 6.69422e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 31724 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64765ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64769ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66436 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-COL-V50P50N10-UpperBounds-04 in 245439 ms.
Starting property specific reduction for BridgeAndVehicles-COL-V50P50N10-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2025-06-02 01:21:10] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2025-06-02 01:21:10] [INFO ] Computed 5 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (22 resets) in 62 ms. (158 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 23 ms. (416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2025-06-02 01:21:10] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2025-06-02 01:21:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:21:10] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:21:10] [INFO ] [Real]Absence check using state equation in 118 ms returned sat
[2025-06-02 01:21:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:21:11] [INFO ] [Real]Added 20 Read/Feed constraints in 29 ms returned sat
[2025-06-02 01:21:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 01:21:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2025-06-02 01:21:11] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2025-06-02 01:21:11] [INFO ] [Nat]Added 20 Read/Feed constraints in 40 ms returned sat
[2025-06-02 01:21:11] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 44 ms.
[2025-06-02 01:21:11] [INFO ] Added : 12 causal constraints over 10 iterations in 378 ms. Result :sat
Minimization took 237 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 105 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:21:12] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2025-06-02 01:21:12] [INFO ] Computed 5 invariants in 2 ms
[2025-06-02 01:21:12] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:21:24] [INFO ] Deduced a trap composed of 5 places in 248 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20051 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43308ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43313ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43422 ms. Remains : 123/124 places, 1225/1226 transitions.
[2025-06-02 01:21:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:21:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 6647 ms. (150 steps per ms)
BEST_FIRST walk for 1000000 steps (1029 resets) in 2503 ms. (399 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2025-06-02 01:22:04] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:22:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:22:04] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:22:05] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2025-06-02 01:22:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 01:22:05] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-02 01:22:05] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2025-06-02 01:22:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:22:05] [INFO ] [Nat]Added 20 Read/Feed constraints in 40 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:22:05] [INFO ] Deduced a trap composed of 5 places in 367 ms of which 13 ms to minimize.
[2025-06-02 01:22:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 408 ms
[2025-06-02 01:22:05] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 37 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:22:06] [INFO ] Deduced a trap composed of 14 places in 299 ms of which 11 ms to minimize.
[2025-06-02 01:22:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 353 ms
[2025-06-02 01:22:06] [INFO ] Added : 3 causal constraints over 2 iterations in 544 ms. Result :sat
Minimization took 172 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 90 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 91 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2025-06-02 01:22:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:22:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:22:07] [INFO ] Implicit Places using invariants in 521 ms returned []
[2025-06-02 01:22:07] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:22:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:22:07] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:22:08] [INFO ] Implicit Places using invariants and state equation in 1375 ms returned []
Implicit Place search using SMT with State Equation took 1908 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:22:08] [INFO ] Redundant transitions in 29 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:22:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:22:08] [INFO ] Invariant cache hit.
[2025-06-02 01:22:08] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:22:21] [INFO ] Deduced a trap composed of 5 places in 360 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 31672 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64799ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64803ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66842 ms. Remains : 123/123 places, 1225/1225 transitions.
[2025-06-02 01:23:13] [INFO ] Flatten gal took : 67 ms
RANDOM walk for 40000 steps (104 resets) in 497 ms. (80 steps per ms) remains 2/2 properties
[2025-06-02 01:23:13] [INFO ] Flatten gal took : 124 ms
[2025-06-02 01:23:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16685301352567307991.gal : 37 ms
[2025-06-02 01:23:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14325481461903978177.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/ReachabilityCardinality16685301352567307991.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14325481461903978177.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
BEST_FIRST walk for 40001 steps (40 resets) in 279 ms. (142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 221 ms. (180 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality14325481461903978177.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 20
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :20 after 42
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :42 after 110
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :110 after 163
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :163 after 570
Interrupted probabilistic random walk after 284582 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 2
Probabilistic random walk after 284582 steps, saw 82270 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2025-06-02 01:23:16] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:23:16] [INFO ] Invariant cache hit.
[2025-06-02 01:23:16] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :570 after 2348
[2025-06-02 01:23:17] [INFO ] Deduced a trap composed of 5 places in 234 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 835 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6324 after 6674
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2656 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3503ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 156 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 60 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:23:20] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:23:20] [INFO ] Invariant cache hit.
[2025-06-02 01:23:20] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6674 after 7356
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7356 after 8792
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:23:31] [INFO ] Deduced a trap composed of 5 places in 218 ms of which 5 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :8792 after 9757
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43009ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43012ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43074 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 412 ms. (96 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
BEST_FIRST walk for 40003 steps (40 resets) in 146 ms. (272 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 161 ms. (246 steps per ms) remains 2/2 properties
[2025-06-02 01:24:03] [INFO ] Flatten gal took : 60 ms
[2025-06-02 01:24:03] [INFO ] Applying decomposition
[2025-06-02 01:24:03] [INFO ] Flatten gal took : 37 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/graph11656257995286387228.txt' '-o' '/tmp/graph11656257995286387228.bin' '-w' '/tmp/graph11656257995286387228.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11656257995286387228.bin' '-l' '-1' '-v' '-w' '/tmp/graph11656257995286387228.weights' '-q' '0' '-e' '0.001'
[2025-06-02 01:24:03] [INFO ] Decomposing Gal with order
[2025-06-02 01:24:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 01:24:04] [INFO ] Removed a total of 2527 redundant transitions.
[2025-06-02 01:24:04] [INFO ] Flatten gal took : 211 ms
[2025-06-02 01:24:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 327 labels/synchronizations in 23 ms.
[2025-06-02 01:24:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14235555534952805195.gal : 3 ms
[2025-06-02 01:24:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13336775416212993179.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/ReachabilityCardinality14235555534952805195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13336775416212993179.prop' '--nowitness'
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 ...309
Loading property file /tmp/ReachabilityCardinality13336775416212993179.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 24
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :24 after 49
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :49 after 94
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :94 after 714
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :714 after 4014
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :4014 after 8150
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :8150 after 35943
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :35943 after 88077
Interrupted probabilistic random walk after 267769 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 2
Probabilistic random walk after 267769 steps, saw 77763 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2025-06-02 01:24:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:24:06] [INFO ] Invariant cache hit.
[2025-06-02 01:24:06] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :88077 after 175849
[2025-06-02 01:24:07] [INFO ] Deduced a trap composed of 5 places in 244 ms of which 9 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 834 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :175849 after 319618
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2641 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3487ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 176 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 63 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 55 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2025-06-02 01:24:10] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:24:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:24:10] [INFO ] Implicit Places using invariants in 386 ms returned []
[2025-06-02 01:24:10] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:24:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 01:24:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 01:24:11] [INFO ] Implicit Places using invariants and state equation in 939 ms returned []
Implicit Place search using SMT with State Equation took 1327 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 01:24:11] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 01:24:11] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2025-06-02 01:24:11] [INFO ] Invariant cache hit.
[2025-06-02 01:24:11] [INFO ] State equation strengthened by 20 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :549625 after 870889
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 01:24:22] [INFO ] Deduced a trap composed of 5 places in 243 ms of which 5 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :6.39408e+06 after 8.07496e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 31640 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64600ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64604ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66015 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-COL-V50P50N10-UpperBounds-06 in 245854 ms.
[2025-06-02 01:25:16] [INFO ] Flatten gal took : 35 ms
[2025-06-02 01:25:16] [INFO ] Applying decomposition
[2025-06-02 01:25:16] [INFO ] Flatten gal took : 38 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/graph16074703054372885546.txt' '-o' '/tmp/graph16074703054372885546.bin' '-w' '/tmp/graph16074703054372885546.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16074703054372885546.bin' '-l' '-1' '-v' '-w' '/tmp/graph16074703054372885546.weights' '-q' '0' '-e' '0.001'
[2025-06-02 01:25:16] [INFO ] Decomposing Gal with order
[2025-06-02 01:25:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 01:25:16] [INFO ] Removed a total of 2840 redundant transitions.
[2025-06-02 01:25:17] [INFO ] Flatten gal took : 191 ms
[2025-06-02 01:25:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 459 labels/synchronizations in 27 ms.
[2025-06-02 01:25:17] [INFO ] Time to serialize gal into /tmp/UpperBounds15027303808504806797.gal : 3 ms
[2025-06-02 01:25:17] [INFO ] Time to serialize properties into /tmp/UpperBounds13313809607349389640.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/UpperBounds15027303808504806797.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13313809607349389640.prop' '--nowitness'
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 ...285
Loading property file /tmp/UpperBounds13313809607349389640.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.47634e+08,1230.78,2476960,15995,12317,966227,529778,194,1.79147e+07,357,6.33561e+06,0
Total reachable state count : 347634372
Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 10
Bounds property BridgeAndVehicles-COL-V50P50N10-UpperBounds-04 :0 <= i1.u0.SUR_PONT_A <= 10
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-04 10 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V50P50N10-UpperBounds-04,0,1234.24,2476960,1,0,966227,529778,239,1.79147e+07,412,6.33561e+06,1827
Min sum of variable value : 0
Maximum sum along a path : 10
Bounds property BridgeAndVehicles-COL-V50P50N10-UpperBounds-06 :0 <= i1.u0.SUR_PONT_B <= 10
FORMULA BridgeAndVehicles-COL-V50P50N10-UpperBounds-06 10 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V50P50N10-UpperBounds-06,0,1234.28,2476960,1,0,966227,529778,249,1.79147e+07,426,6.33561e+06,2656
Total runtime 2097998 ms.
BK_STOP 1748828754252
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 UpperBounds -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="BridgeAndVehicles-COL-V50P50N10"
export BK_EXAMINATION="UpperBounds"
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 BridgeAndVehicles-COL-V50P50N10, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-smll-174853764700253"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P50N10.tgz
mv BridgeAndVehicles-COL-V50P50N10 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;