Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r047-tall-177946846400009.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is BridgeAndVehicles-COL-V50P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846400009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 7.7K Mar 5 08:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 5 08:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 5 08:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 5 08:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 07:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 15 07:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 5 08:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 193K Mar 5 08:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 08:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Mar 5 08:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 42K Mar 3 18:30 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-V50P20N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779479909784

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P20N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-22 19:58:31] [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]
[2026-05-22 19:58:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:58:31] [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.
[2026-05-22 19:58:31] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 19:58:31] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 607 ms
[2026-05-22 19:58:31] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 128 PT places and 114798.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 10
[2026-05-22 19:58:31] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2026-05-22 19:58:31] [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
[2026-05-22 19:58:31] [INFO ] Computed 4 invariants in 4 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 1, 0, 1, 0, 0, 1, 0, 20] Max Struct:[20, 1, 1, 50, 1, 50, 50, 1, 1, 20]
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-12 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-22 19:58:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 19:58:32] [INFO ] Added : 1 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 19:58:32] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-22 19:58:32] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-22 19:58:32] [INFO ] Added : 2 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-22 19:58:32] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 19:58:32] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 2 ms.
[2026-05-22 19:58:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:32] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2026-05-22 19:58:32] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-22 19:58:32] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-22 19:58:32] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 50, 50, 50, 1]
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
[2026-05-22 19:58:32] [INFO ] Unfolded HLPN to a Petri net with 128 places and 1328 transitions 10010 arcs in 79 ms.
[2026-05-22 19:58:32] [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:[20, 1, 50, 50, 50, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 50, 50, 50, 1]
[2026-05-22 19:58:32] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 128 cols
[2026-05-22 19:58:32] [INFO ] Computed 7 invariants in 21 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 50, 50, 50, 1]
RANDOM walk for 10000 steps (22 resets) in 162 ms. (61 steps per ms)
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-13 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-14 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-06 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (17 resets) in 133 ms. (149 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2026-05-22 19:58:33] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2026-05-22 19:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:33] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned sat
[2026-05-22 19:58:33] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2026-05-22 19:58:33] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-22 19:58:33] [INFO ] [Real]Added 22 Read/Feed constraints in 17 ms returned sat
[2026-05-22 19:58:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 19:58:33] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-22 19:58:33] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-22 19:58:33] [INFO ] [Nat]Added 22 Read/Feed constraints in 27 ms returned sat
[2026-05-22 19:58:33] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 85 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 19:58:33] [INFO ] Deduced a trap composed of 5 places in 176 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 19:58:33] [INFO ] Deduced a trap composed of 14 places in 146 ms of which 6 ms to minimize.
[2026-05-22 19:58:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 381 ms
[2026-05-22 19:58:33] [INFO ] Added : 10 causal constraints over 2 iterations in 581 ms. Result :sat
Minimization took 113 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 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.7 ms
Discarding 2 places :
Also discarding 0 output 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 3 place count 125 transition count 1327
Applied a total of 3 rules in 197 ms. Remains 125 /128 variables (removed 3) and now considering 1327/1328 (removed 1) transitions.
Running 1324 sub problems to find dead transitions.
[2026-05-22 19:58:34] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2026-05-22 19:58:34] [INFO ] Computed 5 invariants in 3 ms
[2026-05-22 19:58:34] [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.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1324 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 19:58:42] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 19:58:48] [INFO ] Deduced a trap composed of 14 places in 117 ms of which 2 ms to minimize.
Problem TDEAD677 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD679 is UNSAT
Problem TDEAD680 is UNSAT
Problem TDEAD681 is UNSAT
Problem TDEAD682 is UNSAT
Problem TDEAD683 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD685 is UNSAT
Problem TDEAD686 is UNSAT
Problem TDEAD687 is UNSAT
Problem TDEAD688 is UNSAT
Problem TDEAD689 is UNSAT
Problem TDEAD690 is UNSAT
Problem TDEAD691 is UNSAT
Problem TDEAD692 is UNSAT
Problem TDEAD693 is UNSAT
Problem TDEAD694 is UNSAT
Problem TDEAD695 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD697 is UNSAT
Problem TDEAD698 is UNSAT
Problem TDEAD699 is UNSAT
Problem TDEAD700 is UNSAT
Problem TDEAD701 is UNSAT
Problem TDEAD702 is UNSAT
Problem TDEAD703 is UNSAT
Problem TDEAD704 is UNSAT
Problem TDEAD705 is UNSAT
Problem TDEAD706 is UNSAT
Problem TDEAD707 is UNSAT
Problem TDEAD708 is UNSAT
Problem TDEAD709 is UNSAT
Problem TDEAD710 is UNSAT
Problem TDEAD711 is UNSAT
Problem TDEAD712 is UNSAT
Problem TDEAD713 is UNSAT
Problem TDEAD714 is UNSAT
Problem TDEAD715 is UNSAT
Problem TDEAD716 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD718 is UNSAT
Problem TDEAD719 is UNSAT
Problem TDEAD720 is UNSAT
Problem TDEAD721 is UNSAT
Problem TDEAD722 is UNSAT
Problem TDEAD723 is UNSAT
Problem TDEAD724 is UNSAT
Problem TDEAD725 is UNSAT
Problem TDEAD726 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 1224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/374 variables, and 7 constraints, problems are : Problem set: 100 solved, 1224 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/125 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1324/1123 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 100 solved, 1224 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 5/5 constraints. Problems are: Problem set: 100 solved, 1224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 1224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/7 constraints. Problems are: Problem set: 100 solved, 1224 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD104 is UNSAT
At refinement iteration 3 (OVERLAPS) 249/374 variables, 125/132 constraints. Problems are: Problem set: 102 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 22/154 constraints. Problems are: Problem set: 102 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 1275 constraints, problems are : Problem set: 102 solved, 1222 unsolved in 21447 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 125/125 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1222/1123 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44774ms problems are : Problem set: 102 solved, 1222 unsolved
Search for dead transitions found 102 dead transitions in 44796ms
Found 102 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 102 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 125/128 places, 1225/1328 transitions.
Applied a total of 0 rules in 64 ms. Remains 125 /125 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45077 ms. Remains : 125/128 places, 1225/1328 transitions.
[2026-05-22 19:59:19] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2026-05-22 19:59:19] [INFO ] Computed 7 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (2622 resets) in 5217 ms. (191 steps per ms)
BEST_FIRST walk for 1000001 steps (1089 resets) in 2147 ms. (465 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2026-05-22 19:59:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 19:59:26] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-22 19:59:26] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 19:59:26] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-22 19:59:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 19:59:26] [INFO ] [Real]Added 20 Read/Feed constraints in 26 ms returned sat
[2026-05-22 19:59:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 19:59:27] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-22 19:59:27] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 19:59:27] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-22 19:59:27] [INFO ] [Nat]Added 20 Read/Feed constraints in 19 ms returned sat
[2026-05-22 19:59:27] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 38 ms.
[2026-05-22 19:59:27] [INFO ] Added : 10 causal constraints over 2 iterations in 122 ms. Result :sat
Minimization took 196 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 1225/1225 transitions.
Applied a total of 0 rules in 61 ms. Remains 125 /125 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 125/125 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 1225/1225 transitions.
Applied a total of 0 rules in 56 ms. Remains 125 /125 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 19:59:27] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:59:28] [INFO ] Implicit Places using invariants in 291 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 299 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 123/125 places, 1225/1225 transitions.
Applied a total of 0 rules in 56 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 412 ms. Remains : 123/125 places, 1225/1225 transitions.
[2026-05-22 19:59:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2026-05-22 19:59:28] [INFO ] Computed 5 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (2622 resets) in 4576 ms. (218 steps per ms)
BEST_FIRST walk for 1000000 steps (1086 resets) in 1936 ms. (516 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2026-05-22 19:59:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 19:59:34] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 19:59:34] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-22 19:59:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 19:59:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 19:59:34] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-22 19:59:34] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 19:59:34] [INFO ] [Nat]Added 20 Read/Feed constraints in 20 ms returned sat
[2026-05-22 19:59:34] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 22 ms.
[2026-05-22 19:59:35] [INFO ] Added : 10 causal constraints over 2 iterations in 147 ms. Result :sat
Minimization took 171 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
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 57 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 67 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 19:59:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:59:35] [INFO ] Implicit Places using invariants in 253 ms returned []
[2026-05-22 19:59:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:59:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 19:59:36] [INFO ] Implicit Places using invariants and state equation in 746 ms returned []
Implicit Place search using SMT with State Equation took 1001 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 19:59:36] [INFO ] Redundant transitions in 63 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 19:59:36] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 19:59:36] [INFO ] Invariant cache hit.
[2026-05-22 19:59:36] [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
[2026-05-22 19:59:43] [INFO ] Deduced a trap composed of 5 places in 148 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 20.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 1.0)
(s49 timeout
0.0)
(s50 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30028 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
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1221/1370 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 30042 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 62829ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62833ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63978 ms. Remains : 123/123 places, 1225/1225 transitions.
[2026-05-22 20:00:39] [INFO ] Flatten gal took : 229 ms
RANDOM walk for 40000 steps (104 resets) in 1065 ms. (37 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40012 steps (43 resets) in 325 ms. (122 steps per ms) remains 2/2 properties
[2026-05-22 20:00:39] [INFO ] Flatten gal took : 151 ms
[2026-05-22 20:00:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5555746752006885631.gal : 65 ms
BEST_FIRST walk for 40002 steps (40 resets) in 399 ms. (100 steps per ms) remains 2/2 properties
[2026-05-22 20:00:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16477920579879491874.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/ReachabilityCardinality5555746752006885631.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16477920579879491874.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16477920579879491874.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
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :233 after 566
Interrupted probabilistic random walk after 351567 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 2
Probabilistic random walk after 351567 steps, saw 97340 distinct states, run finished after 3004 ms. (steps per millisecond=117 ) properties seen :0
[2026-05-22 20:00:42] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:00:42] [INFO ] Invariant cache hit.
[2026-05-22 20:00:42] [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
[2026-05-22 20:00:43] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:00:43] [INFO ] Deduced a trap composed of 4 places in 166 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 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 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 690 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: 2/2 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, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1773 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2472ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 167 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 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:00:45] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:00:45] [INFO ] Invariant cache hit.
[2026-05-22 20:00:45] [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
[2026-05-22 20:00:52] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 3 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
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
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 20026 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
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :34963 after 39955
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 21193 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 43965ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43970ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44022 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 490 ms. (81 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40005 steps (41 resets) in 198 ms. (201 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (44 resets) in 306 ms. (130 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-22 20:01:30] [INFO ] Flatten gal took : 63 ms
[2026-05-22 20:01:30] [INFO ] Applying decomposition
[2026-05-22 20:01:30] [INFO ] Flatten gal took : 53 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/graph13445935453603729546.txt' '-o' '/tmp/graph13445935453603729546.bin' '-w' '/tmp/graph13445935453603729546.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13445935453603729546.bin' '-l' '-1' '-v' '-w' '/tmp/graph13445935453603729546.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:01:30] [INFO ] Decomposing Gal with order
[2026-05-22 20:01:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:01:30] [INFO ] Removed a total of 3148 redundant transitions.
[2026-05-22 20:01:30] [INFO ] Flatten gal took : 326 ms
[2026-05-22 20:01:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 408 labels/synchronizations in 32 ms.
[2026-05-22 20:01:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10501377787886451504.gal : 4 ms
[2026-05-22 20:01:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4201595879208682451.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/ReachabilityCardinality10501377787886451504.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4201595879208682451.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 ...308
Loading property file /tmp/ReachabilityCardinality4201595879208682451.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 16
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :16 after 21
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :21 after 30
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :30 after 62
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :62 after 79
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :79 after 5230
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :5230 after 12952
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :12952 after 33600
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :33600 after 83037
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :676807 after 691702
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4.30023e+06 after 5.70204e+06
Interrupted probabilistic random walk after 334987 steps, run timeout after 3001 ms. (steps per millisecond=111 ) properties seen :0 out of 2
Probabilistic random walk after 334987 steps, saw 92926 distinct states, run finished after 3001 ms. (steps per millisecond=111 ) properties seen :0
[2026-05-22 20:01:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:01:33] [INFO ] Invariant cache hit.
[2026-05-22 20:01:33] [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
[2026-05-22 20:01:33] [INFO ] Deduced a trap composed of 5 places in 169 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:01:33] [INFO ] Deduced a trap composed of 4 places in 160 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 711 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: 2/2 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, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1727 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2448ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 135 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 54 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 55 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 47 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:01:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:01:35] [INFO ] Implicit Places using invariants in 222 ms returned []
[2026-05-22 20:01:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:01:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:01:36] [INFO ] Implicit Places using invariants and state equation in 720 ms returned []
Implicit Place search using SMT with State Equation took 945 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:01:36] [INFO ] Redundant transitions in 50 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:01:36] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:01:36] [INFO ] Invariant cache hit.
[2026-05-22 20:01:36] [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 8192
SDD size :3.64665e+07 after 3.97592e+07
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
[2026-05-22 20:01:44] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 3 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 30021 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
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.81292e+08 after 1.83239e+08
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
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1221/1370 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 30047 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 62845ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62848ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63900 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Starting property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-00
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:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2026-05-22 20:02:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:02:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (26 resets) in 48 ms. (204 steps per ms)
BEST_FIRST walk for 10007 steps (10 resets) in 21 ms. (454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2026-05-22 20:02:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:02:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:02:39] [INFO ] [Real]Absence check using 5 positive place invariants in 10 ms returned sat
[2026-05-22 20:02:39] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-22 20:02:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:02:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:02:39] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-22 20:02:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:02:39] [INFO ] [Nat]Added 20 Read/Feed constraints in 29 ms returned sat
[2026-05-22 20:02:39] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 21 ms.
[2026-05-22 20:02:40] [INFO ] Added : 10 causal constraints over 2 iterations in 134 ms. Result :sat
Minimization took 164 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
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 49 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:02:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:02:40] [INFO ] Invariant cache hit.
[2026-05-22 20:02:40] [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
[2026-05-22 20:02:47] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 3 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 20028 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
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 21364 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 43682ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43685ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43738 ms. Remains : 123/123 places, 1225/1225 transitions.
[2026-05-22 20:03:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:03:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (2622 resets) in 4571 ms. (218 steps per ms)
BEST_FIRST walk for 1000000 steps (1085 resets) in 1963 ms. (509 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2026-05-22 20:03:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:03:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:03:30] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-22 20:03:30] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-22 20:03:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:03:30] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:03:30] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-22 20:03:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:03:30] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2026-05-22 20:03:30] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 21 ms.
[2026-05-22 20:03:30] [INFO ] Added : 10 causal constraints over 2 iterations in 145 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
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 57 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 57 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 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:03:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:03:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:03:31] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-22 20:03:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:03:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:03:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:03:32] [INFO ] Implicit Places using invariants and state equation in 755 ms returned []
Implicit Place search using SMT with State Equation took 993 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:03:32] [INFO ] Redundant transitions in 21 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:03:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:03:32] [INFO ] Invariant cache hit.
[2026-05-22 20:03:32] [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
[2026-05-22 20:03:39] [INFO ] Deduced a trap composed of 5 places in 160 ms of which 3 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 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
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
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1221/1370 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 30037 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 62969ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62972ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64050 ms. Remains : 123/123 places, 1225/1225 transitions.
[2026-05-22 20:04:35] [INFO ] Flatten gal took : 44 ms
[2026-05-22 20:04:35] [INFO ] Flatten gal took : 43 ms
[2026-05-22 20:04:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13819642932553013931.gal : 13 ms
[2026-05-22 20:04:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2059752528177168651.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/ReachabilityCardinality13819642932553013931.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2059752528177168651.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (104 resets) in 505 ms. (79 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40011 steps (40 resets) in 164 ms. (242 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (40 resets) in 153 ms. (259 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality2059752528177168651.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
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :233 after 566
Interrupted probabilistic random walk after 374294 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 2
Probabilistic random walk after 374294 steps, saw 103464 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2026-05-22 20:04:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:04:38] [INFO ] Invariant cache hit.
[2026-05-22 20:04:38] [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
[2026-05-22 20:04:38] [INFO ] Deduced a trap composed of 5 places in 162 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:04:39] [INFO ] Deduced a trap composed of 4 places in 157 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 686 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: 2/2 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
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :566 after 1013
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, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1723 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2423ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 118 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 48 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:04:41] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:04:41] [INFO ] Invariant cache hit.
[2026-05-22 20:04:41] [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
[2026-05-22 20:04:47] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :32724 after 32735
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 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 20026 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
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 21457 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 43655ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43657ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43709 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 315 ms. (126 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (42 resets) in 165 ms. (240 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (41 resets) in 134 ms. (296 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-22 20:05:25] [INFO ] Flatten gal took : 53 ms
[2026-05-22 20:05:25] [INFO ] Applying decomposition
[2026-05-22 20:05:25] [INFO ] Flatten gal took : 60 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/graph3069216185316251137.txt' '-o' '/tmp/graph3069216185316251137.bin' '-w' '/tmp/graph3069216185316251137.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3069216185316251137.bin' '-l' '-1' '-v' '-w' '/tmp/graph3069216185316251137.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:05:25] [INFO ] Decomposing Gal with order
[2026-05-22 20:05:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:05:26] [INFO ] Removed a total of 2134 redundant transitions.
[2026-05-22 20:05:26] [INFO ] Flatten gal took : 216 ms
[2026-05-22 20:05:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 285 labels/synchronizations in 23 ms.
[2026-05-22 20:05:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5953291220281011056.gal : 2 ms
[2026-05-22 20:05:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17852528496299000361.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/ReachabilityCardinality5953291220281011056.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17852528496299000361.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 ...308
Loading property file /tmp/ReachabilityCardinality17852528496299000361.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 29
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :29 after 34
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :34 after 43
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :43 after 60
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :60 after 90
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :90 after 262
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :262 after 668
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :668 after 10552
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :10552 after 35998
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :35998 after 80883
Interrupted probabilistic random walk after 373067 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 2
Probabilistic random walk after 373067 steps, saw 103061 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2026-05-22 20:05:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:05:28] [INFO ] Invariant cache hit.
[2026-05-22 20:05:28] [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
[2026-05-22 20:05:28] [INFO ] Deduced a trap composed of 5 places in 150 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:05:28] [INFO ] Deduced a trap composed of 4 places in 148 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 698 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: 2/2 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, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1804 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2510ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 141 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 53 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 53 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 49 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:05:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:05:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:05:31] [INFO ] Implicit Places using invariants in 242 ms returned []
[2026-05-22 20:05:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:05:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:05:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:05:31] [INFO ] Implicit Places using invariants and state equation in 728 ms returned []
Implicit Place search using SMT with State Equation took 972 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:05:31] [INFO ] Redundant transitions in 17 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:05:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:05:31] [INFO ] Invariant cache hit.
[2026-05-22 20:05:31] [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 :429673 after 692476
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
[2026-05-22 20:05:39] [INFO ] Deduced a trap composed of 5 places in 145 ms of which 4 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 8192
SDD size :9.67228e+06 after 1.01006e+07
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 30033 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
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1221/1370 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 30043 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 63095ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63098ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64145 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-00 in 235347 ms.
[2026-05-22 20:06:34] [INFO ] Flatten gal took : 33 ms
[2026-05-22 20:06:34] [INFO ] Applying decomposition
[2026-05-22 20:06:35] [INFO ] Flatten gal took : 33 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/graph18046050690065607544.txt' '-o' '/tmp/graph18046050690065607544.bin' '-w' '/tmp/graph18046050690065607544.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18046050690065607544.bin' '-l' '-1' '-v' '-w' '/tmp/graph18046050690065607544.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:06:35] [INFO ] Decomposing Gal with order
[2026-05-22 20:06:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:06:35] [INFO ] Removed a total of 2134 redundant transitions.
[2026-05-22 20:06:35] [INFO ] Flatten gal took : 181 ms
[2026-05-22 20:06:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 285 labels/synchronizations in 9 ms.
[2026-05-22 20:06:35] [INFO ] Time to serialize gal into /tmp/UpperBounds122389603813047195.gal : 2 ms
[2026-05-22 20:06:35] [INFO ] Time to serialize properties into /tmp/UpperBounds8782751484145470986.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/UpperBounds122389603813047195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8782751484145470986.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 ...282
Loading property file /tmp/UpperBounds8782751484145470986.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,2.04953e+08,375.34,2755164,1229,23334,401802,2.79508e+06,101,1.60286e+06,412,4.58648e+07,0
Total reachable state count : 204953172

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 10
Bounds property BridgeAndVehicles-COL-V50P20N10-UpperBounds-00 :0 <= u1.SUR_PONT_A <= 10
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-15 10 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-00 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-V50P20N10-UpperBounds-00,0,376.35,2755164,1,0,401802,2.79508e+06,128,1.60286e+06,482,4.58648e+07,108
Total runtime 861439 ms.

BK_STOP 1779480772698

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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-V50P20N10"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is BridgeAndVehicles-COL-V50P20N10, 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 r047-tall-177946846400009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P20N10.tgz
mv BridgeAndVehicles-COL-V50P20N10 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;